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Longshine LCS-8560C1 modems

1. 3 49 STE Set telephony Extension EORR ERE RR RE IE Res 3 50 TRV Tip amp Ring Voltage rep tr terr en bere d erp 3 55 TTE Threshold Adjustments for Telephony Extension ssssssssssnnnnes 3 56 Modulation Control Commands uuu cece ceccescsssscecsscscscsecessueececseseseueesessesessususessusessuseseseesessusevesensensnsess 3 57 5 Modulation Selection essere nennen nennen nennen nete 3 57 Modulation Reporting Control tnnt nnns 3 59 E Enable Disable Line Quality Monitor and Auto Retrain or Fallback Fall Forward 3 61 BE CGITT OF Bellis ict niter t eie n e ree e eR Error Control CoM MAAE A aa ES Error Control and Synchronous Mode Selection EB Break Handling in Error Control Operation sese ESR Selective Repeat cre e cer rete e e n atin Re E eee ds EFCS 32 bit Frame Check Sequence sess nenne tette tenens ER gt Error Control Reporting scu ito oe e ie Oe S LH ER BUND NOES ETBM Call Termination Buffer Management sese AB Transmit Break to Remote cement iren nete e P e eere deer AK SiBrealkcCotittol EH ERI RR ER RERUM K MNP Extended Services essen nennen tnter nn nnne netten inen t
2. 3 40 TRV Tip amp Ring Voltage ssssese 3 55 TTE Threshold Adjustments for Telephony Extension 3 56 V V Result Code Form seen 3 18 V Single Line Connect Message Enable 3 47 W W Connect Message Control 3 18 X X Extended Result 3 19 Z Z Soft Reset and Restore Profile 3 2 NOTES www conexant com General Information U S and Canada 800 854 8099 International 949 483 6996 Headquarters Newport Beach 4311 Jamboree Rd Newport Beach CA 92660 3007 gt CONEXANT
3. III VIP Voice Initialize All Parameters 2 222 22 22 VRX Start Modem Receive Record sse tenete etes VTR Start Voice Transmission and Reception Voice Duplex 5 6 3VTS Send Volce TOnB S asistencia eL ep te b Rt teas VTX Start Modem Transmit Playback sse netten nettes VGR Voice Gain Receive Record Gain tenete VGT Voice Gain Transmit Playback Volume VIT Voice Inactivity Timer DTE Modem eene VLS Analog Source Destination Selection essere VRA Ringback Goes Away Timer VRN Ringback Never Appeared Timer VSD Silence Detection Quiet and Silence senes VSM Compression Method Selection sess VID Beep Tone Duration Timer ener eret ie terere ees VDR Distinctive RIfg o c te Oed VDT Control Tone Cadence Reporting sese VPR Select DTE Modem Interface Rate Turn Off Autobaud sss 5 22 5 2 3 Speakerphone Commands ee led a 5 23 viii Conexant 102184B Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual VSP Speakerphone ON OFF gh dad aia Send dull wwe ed adel POS 5 23 VDX Speakerphone Duplex Mode essent 5 24 VGM
4. 3 114 529 Flash Dial Modifier Time 3 115 53 Carriage Return 3 106 S30 Disconnect Inactivity 3 115 S31 Bit Mapped Options Status 3 115 536 Failure Control 3 116 538 Delay Before Forced Hang 3 116 539 Flow Control Bit Mapped Options Status 54 Line Feed S40 General Mapped Options Status S41 General Bit Mapped Options Status S46 Data Compression Control 548 V 42 Negotiation S5 Backspace S6 Wait Time before Blind Dialing or for Dial Tone 3 107 S7 Wait Time for Carrier Silence or Dial Tone 3 107 S8 Pause Time For Dial Delay S86 Call Failure Reason Code S9 Carrier Detect Response Time 591 PSTN Transmit Attenuation Level 592 Fax Transmit Attenuation Level S95 Extended Result Codes Control STE Set Telephony Extension T T Set Tone Dial
5. 5 0 DTMF digits 0 to 9 The star digit tone dialing only The gate digit tone dialing only DTMF digits A B C and D Some countries may prohibit sending of these digits during dialing Re dial last number the modem will re dial the last valid telephone number The L must be immediately after the D with all the following characters ignored Select pulse dialing pulse dial the numbers that follow until a T is encountered Affects current and subsequent dialing Some countries prevent changing dialing modes after the first digit 1s dialed Select tone dialing tone dial the numbers that follow until a P is encountered Affects current and subsequent dialing Some countries prevent changing dialing modes after the first digit 1s dialed This command will be accepted but not acted on Dial the number stored in the directory n 0 to 3 See amp Z Flash the modem will go on hook for a time defined by the value of S29 Country requirements may limit the time imposed Wait for dial tone the modem will wait for dial tone before dialing the digits following W If dial tone is not detected within the time specified by 57 US or 56 W class the modem will abort the rest of the sequence return on hook and generate an error message Wait for silence the modem will wait for at least 5 seconds of silence in the call progress frequency band before continuing with the next dial string paramet
6. 3 106 5 Ring GOURItel er cit c enr i o eee rb err B D 3 106 92 Escape Character a E RUE RR 3 106 3 Carriage Return Character sse nnne tente netten 3 106 4 Line Feed Character sese tenens 3 106 5 Backspace Character esci etri necne ten ei ER 3 107 S6 Wait Time before Blind Dialing or for Dial Tone 3 107 S7 Wait Time for Carrier Silence or Dial Tone 3 107 S8 Pause Time For Dial Delay sssssseseseseeeeneenenenrnnetntntnn menn 59 Carrier Detect Response Time 10 Lost Carrier To Hang Up Delay 11 Tone Duration eese rnnt rennen Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 4 4 Fax Class 1 and Fax Class 1 0 Commands 4 1 4 2 12 Escape Prompt Delay retener rante A 14 General Bit Mapped Options Status sss 16 Test Mode Bit Mapped Options Status 17 Point Of Sale Options Selection S19 Reserved tet c e e n e aee C er ia
7. VSD Silence Detection Quiet and Silence 5 17 VSM Compression Method Selection 5 18 VSP Speakerphone 5 23 VTD Beep Tone Duration 5 19 VTR Start Voice Transmission and Reception Voice Duplex hee ee sen Ren 5 6 VTS Send Voice 5 7 VTX Start Modem Transmit Playback 5 9 A ACSAADSWOE Lone ada Lo s e AON eee dide s 3 40 B BCC Tor Bell nee tenes 3 62 WB Transmit Break to Remote 3 70 D Dial ERE epe etd 3 37 E E Conmrmnarid Echo n 3 17 H Disconnect 3 41 I b ldentification ect iode e E s 3 6 K K Break Gontrol eee eee ee 3 71 K MNP Extended Services 3 72 L L Speaker Volume 3 43 M M Speaker 3 43 N W Operating Mode 3 5 Return to On Line Data 3 42 P P Set Pulse Dial 3 40 PPD Extension Pickup Notification 3
8. 14 indicates the status of command options Default 138 8Ah 10001010b Bit 0 This bit is ignored Bit 1 Command echo En 0 Disabled 1 Enabled E1 Default Bit 2 Quiet mode Qn 0 Send result codes Q0 Default 1 Do not send result codes 1 Bit 3 Result codes Vn 0 Numeric V0 1 Verbose V1 Default Bit 4 Reserved Bit 5 Tone T Pulse P 0 Tone Default 1 Pulse Bit 6 Reserved Bit 7 Originate Answer 0 Answer 1 Originate Default 516 Test Mode Mapped Options Status S16 indicates the test in progress status Default 0 Bit 0 Local analog loopback 0 Disabled Default 1 Enabled amp T1 Bits 1 7 Not used 102184B Conexant 3 109 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 17 Point Of Sale Options Selection S17 selects the different options available for Point of Sale applications Default 0 00000000b Bit 0 V 80 sub mode selection applicable only if V 80 Synchronous Access Mode is enabled see ES command 0 Enable transparent sub mode Default 1 Enable framed sub mode Note When V 80 is enabled in V 22 fast connect F2 or V 29FastPOS F4 the modem automatically connects in framed sub mode even if bit1 0 Bit 1 V 22bis V 22 Bell 212 early data mode selection 0 Enable normal V 22bis V 22 Bell212 handshake Default 1 Enable early data mode CTS turned ON sooner for
9. lt pending RD gt Decimal number 0 specifying that disconnect will occur immediately and all buffered receive data will be discarded when the local DTE requests call disconnection lt timer gt Decimal number 0 specifying that the modem will not attempt to deliver the buffered data before abandoning the attempt and discarding remaining data Reporting Current or Selected Values Command ETBM Response pending TD gt lt pending RD gt lt timer gt Example 0 0 0 Reporting Supported Range of Parameter Values Command ETBM Response ETBM lt pending TD gt range lt pending RD gt range lt timer gt range Example 0 0 0 102184B Conexant 3 69 AT Commands for 1801 06833 81300 06827 Modems Reference Manual B Transmit Break to Remote In non error correction mode the modem will transmit a break signal to the remote modem with a length in multiples of 100 ms according to parameter specified If a number in excess of 9 is entered 9 is used The command works in conjunction with the K command In error correction mode the modem will signal a break through the active error correction protocol giving no indication of the length Syntax B lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 1 9 Break length in 100 ms units Default 3 Non error corrected mode only Result Codes
10. Enable V 80 Synchronous Access Mode originator Enable V 80 Synchronous Access Mode originator Enable V 80 Synchronous Access Mode answerer Enable V 80 Synchronous Access Mode originator and answerer Enable V 42 with Detection Phase originator Disable V 80 Synchronous Access Mode originator Allow LAPM MNP or Normal Mode connection answerer Disable V 80 Synchronous Access Mode answerer Enable V 42 with Detection Phase originator allow LAPM MNP or Normal Mode connection answer Disable Synchronous Access Mode originator and answerer Reporting Current or Selected Values Command Response Example ES orig rqst orig fbk gt lt ans_fbk gt ES 3 0 2 For the default setting ES 6 0 8 For V 80 Synchronous Access Mode originator and answerer Reporting Supported Range of Parameter Values Command Response Example ES ES orig rqst range lt orig_fbk gt range lt ans_fbk gt range ES 0 4 6 7 0 4 0 6 8 9 3 64 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual EB Break Handling in Error Control Operation This extended format compound parameter controls the break handling in V 42 operation It accepts three numeric subparameters Syntax EB lt break_selection gt lt timed gt lt default_length gt Defined Values break selection Decimal number 0 specifying that break is to be ignored
11. lt interval gt range Example 0 255 255 25 5 sec Result Codes OK interval 0 255 ERROR Otherwise or if not in Voice Mode 102184B Conexant 5 15 AT Commands for 1801 06833 81300 06827 Modems Reference Manual VRN Ringback Never Appeared Timer This command sets the length of time the modem will wait between ringbacks during call origination before the modem can assume that the remote station has gone off hook Syntax VRN lt interval gt Defined Values lt interval gt Decimal number specifying the time period in units of 1 0 second that the modem will wait for Ringback during call origination A value of 0 forces the modem to report the OK result code immediately after dialing The range is to 25 seconds for lt interval gt 1 to 25 Reporting Current or Selected Values Command VRN Response interval Example 10 10 seconds For the default setting Reporting Supported Range of Parameter Values Command VRN Response lt interval gt range Example 0 25 Result Codes OK interval 0 25 ERROR Otherwise or if not in Voice Mode Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual VSD Silence Detection Quiet and Silence This command causes the modem to set the silence detection sensitivity and the required period of silence before the modem reports silence detected at the end of a voic
12. 1 2 Play 2 with a duration given by the VTD command 3 Play tone pair at 1000 Hz and 1300 Hz with a duration of 500 ms 4 Play tone pair at 800 Hz with a duration given by the VTD command 5 Play DTMF 9 with a duration given by the VTD command Example 3 This example illustrates tone generation using null elements and periods of silence The command example is followed by a description of command execution AT VTS 1 50 2 9 Play DTMF 1 with a duration given by the VTD command Play silence with a duration of 500 ms Play DTMF 2 with a duration given by the VTD command Play silence with a duration given by the VTD command Ot Play DTMF 9 with a duration given by the VTD command 5 8 Conexant 102184B Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual VTX Start Modem Transmit Playback This command causes the modem to start the voice transmission process Syntax VTX Result Codes CONNECT The modem accepts the command ERROR The modem is not connected to at least one off hook telephone line or one non telephone line VGR Voice Gain Receive Record Gain This command causes the modem to set the gain for received voice samples Syntax VGR lt gain gt 0 only valid number selects automatic gain control Reporting Current or Selected Values Command VGR Response lt gain gt Example 0 For the default setting Reporting Support
13. Default 1 Enable V 29 FastPOS alternate sequence 3 110 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Bit 5 V 29 FastPOS fallback selection 0 Enable 29 FastPOS with fallback to standard 22 bis Default 1 Enable 29 FastPOS with fallback to 22 fast connect Bit 6 Fast Bell 103 V 21 applicable only if Bell 103 V 21 or V 23 half duplex HDX is enabled see MS and B2 commands 0 Enable standard Bell 103 V 21 V 23HDX Default l Enable fast Bell 103 V 21 or non standard V 23HDX 21 Bit 7 Not used Reserved 19 Reserved S19 is supported for backwards compatibility only No value can be written Responds with default value Range None Default 0 20 Reserved S20 is supported for backwards compatibility only No value can be written Responds with default value Range None Default 0 102184B Conexant 3 111 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 21 V 24 General Bit Mapped Options Status S21 indicates the status of command options Default 52 34h 00110100b Bits0 1 Reserved 0 Bit 2 CTS behavior amp Rn 0 CTS tracks RTS amp R0 l CTS always on amp R1 Default Bits 3 4 DTR behavior amp Dn amp DO selected amp D1 selected amp D2 selected Default amp D3 selected Bit 5 RLSD DCD behavior amp Cn 0 amp CO selected 1 amp 1 selected
14. Defined Values lt hook gt Decimal number corresponding to the selected option see Table 5 4 0 The modem enables automatic hangups as is normal in other modes 1 The modem disables automatic hangups usually found in the other non Voice Modes 2 The modem disables automatic hangups in the other non Voice Modes The modem performs only a logical hangup returns to OK result code Table 5 4 VNH Command Behavior Command Response Command No Carrier Present ATH ATZ DTR amp D2 VNH 0 Y Y VNH 1 N Y Y VNH 2 N N N Notes Y will hang up N will not hang up How VNH is reset DTE uses VNH command to change setting DTE issues another FCLASS mode change without issuing another VNH A hang up event occurs see this table DTE issues VIP command 5 4 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Reporting Current or Selected Values Command VNH Response lt hook gt Example 0 For the default setting Reporting Supported Range of Parameter Values Command Response lt hook gt range Example 0 2 Result Codes OK hook 0 2 ERROR Otherwise 5 2 2 Voice Commands VIP Voice Initialize All Parameters This command causes the modem to initialize all voice parameters to their default values Syntax VIP Result Cod
15. ERROR Otherwise or if not connected 3 42 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual L Speaker Volume This command sets the speaker volume control The parameter value if valid is written to S22 bits 0 and 1 Syntax L lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Low volume 1 Low volume Default 2 Medium volume 3 High volume Result Codes OK value 0 to 3 ERROR Otherwise M Speaker Control This command selects when the speaker will be on or off The parameter value if valid 18 written to S22 bits 2 and 3 Syntax M lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Speaker is always off 1 Speaker is on during call establishment but off when receiving carrier Default 2 Speaker is always on 3 Speaker is off when receiving carrier and during dialing but on during answering Result Codes OK lt value gt 0 to 3 ERROR Otherwise 102184B Conexant 3 43 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual amp G Select Guard Tone This command causes the modem to generate the guard tone selected by this command DPSK modulation modes only The parameter value if valid is written to S23 bits 6 and 7 Syntax amp G lt value gt Defined Values lt value gt Decimal number
16. MS M commands Modulation Control MS and MR commands ES E commands Error Control ES EB ER EFCS ETBM DS D commands Data Compression DS and DR Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual GCI Country of Installation This extended syntax command selects and indicates the country of installation for the modem This parameter selects the settings for any operational parameters that need to be adjusted for national regulations or telephone networks Syntax tGCI country Defined Values country 8 bit country code from Annex A of T 35 The value is the hexadecimal equivalent of the T 35 code with bit 8 treated as the most significant bit and bit 1 treated as the least significant bit The supported countries are listed in the data sheet or in the release notes for the applicable modem Default If the modem is specified for use in only one country that country code is the default Otherwise the default is defined by the OEM Factory default is B5 United States Reporting Current or Selected Values Command GCI Response GCI current country Example GCI 3D The modem is set for France Reporting Supported Range of Parameter Values Command GCI Response GCI lt country_code gt lt country_code gt lt country_code 1 Example GCTI 00 B4 B5 The modem can
17. STE lt value gt Defined Values lt value gt Decimal number corresponding to the selected bit mapped options The bit fields are defined as follows BitO Line In Use detection enable disable Bit 1 Extension Pickup detection enable disable Bit2 Remote Hangup detection enable disable lt value gt Remote Extension Line In Use Dec Hangup Pickup 0 default Disabled Disabled Disabled 1 Disabled Disabled Enabled 2 Disabled Enabled Disabled 3 Disabled Enabled Enabled 4 Enabled Disabled Disabled 5 Enabled Disabled Enabled 6 Enabled Enabled Disabled 7 Enabled Enabled Enabled Reporting Current or Selected Values Command STE Response STE lt value gt Example STE 4 Remote Hangup enabled Extension Pickup disabled and Line In Use disabled Reporting Supported Range of Parameter Values Command STE Show available options Response STE 0 7 Result Codes OK value 0 7 ERROR Otherwise 3 50 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Behavior in Data Mode FCLASS 0 When on hook if the line is in use and an ATDT is issued the modem will not go off hook and will return with the message LINE IN USE When off hook and either an extension is picked up or a line reversal is detected the modem will drop the connection The disconnect reason in register S86 25 this is also defined for UD The
18. VRID 2 Note length is 27h corresponding to 27h 1Fh 8 This is the length of the sequence following the length octet The modem responds to this command by transmitting the caller ID information to the DTE via the in band sequence EM lt 60h gt length 62h raw caller ID information gt EM lt 60h gt lt 22h gt lt 62h gt OK In this case the lt length gt octet is the actual length of the raw caller ID 1 1Fh In band signaling of CTS and Ring Indicate Circuit 106 and Circuit 125 Whenever the V 24 circuit selected via the IBC command changes the modem will send an unsolicited EM shielded frame to the DTE to inform the DTE of the new state This is used for CTS and RI For MOH applications the DTE is specifically interested in circuit 125 Ring Indicate When RI is asserted the sequence EM lt 125on gt or 19h 6Bh is sent to the DTE When RI is de asserted the sequence EM lt 1250 or 19h 6Ah is sent to the DTE 3 36 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 3 2 3 Call Control This command directs the modem to go on line dial according to the string entered and attempt to establish a connection If no dial string 1s supplied the modem will go on line and attempt the handshake in originate mode NOTE If the ATD command is issued before the S1 register has cleared the modem will respond with the NO CARRIER result code If FCLASS 0 is selec
19. 1 Clear data buffers and send break to remote modem Same as 0 2 Send break to remote modem immediately 3 Send break to remote modem immediately Same as 2 4 Send break to remote modem in sequence with data 5 Send break to remote modem in sequence with data Same as 4 Default 102184B Conexant 3 71 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Result Codes OK ERROR The third case is where a break is received from a remote modem during a non error corrected connection 0 1 0 to 5 Otherwise K MNP Extended Services Clears data buffers and sends break to the DTE Clears data buffers and sends break to the DTE Same as 0 Send a break immediately to DTE Send a break immediately to DTE Same as 2 Send a break in sequence with received data to DTE Send a break in sequence with received data to DTE Same as 4 Default Enables or disables conversion of a V 42 LAPM connection to an MNP 10 connection The parameter value if valid is written to S40 bits 0 and 1 Syntax K lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Disables V 42 LAPM to MNP 10 conversion Default 1 Enables 42 LAPM to MNP 10 conversion 2 Enables V 42 LAPM to MNP 10 conversion inhibits MNP Extended Services initiation during V 42 LAPM answer mode detection phase Result Codes OK 0 or 2 ERROR Otherwise
20. 1801 06833 81300 06827 Modems Reference Manual PMHR Initiate Modem on Hold This command requests the modem to initiate or to confirm a modem on hold procedure The modem will return ERROR if modem on hold is not enabled or if the modem is in an idle condition The modem will return the string response PMHR lt value gt where lt value gt is a decimal value corresponding to the status of the modem s hold exchange procedure as defined below This response may be delayed depending upon the context under which the PMHR command is made i e if the PMHR is in response to an incoming modem on hold or if it is initiating a request Note If modem on hold is enabled but the remote server does not support V 92 then the modem will always report 0 to show that the hold request is denied Syntax PMHR Response PMHR lt value gt lt value gt Decimal number corresponding to the maximum hold time the server or hold granting modem will allow 0 92 MOH request denied or not available 1 MOH with 10 second timeout Granted 2 MOH with 20 second timeout Granted 3 MOH with 30 second timeout Granted 4 MOH with 40 second timeout Granted 5 MOH with minute timeout Granted 6 MOH with 2 minute timeout Granted 7 MOH with 3 minute timeout Granted 8 MOH with 4 minute timeout Granted 9 MOH with 6 minute timeout Granted 10 MOH with 8 minute timeout Granted 11 MOH with 12 minute timeout Granted 12 MOH with 16 minute timeout G
21. Defined Values lt value gt Decimal number corresponding to the selected option 0 Disable Adaptive Reception Default 1 Enable Adaptive Reception Reporting Current or Selected Values Command FAR Response FAR lt value gt Example FAR 0 For the default setting Reporting Supported Range of Parameter Values Command FAR Response FAR lt value gt range Example FAR 0 1 102184B Conexant 4 13 AT Commands for 1801 06833 81300 06827 Modems Reference Manual FCL Carrier Loss Timeout This parameter allows the DTE to select the modem s loss of carrier delay between initial loss of carrier and qualified loss of carrier when the modem will give up and exit a receive mode Intermediate less than FCL timeout loss of carrier should be indicated by insertion of the SQ BAD signal quality indicator in the received data stream In unframed receive modes if the modem detects RTC as described in Recommendation T 30 prior to initial loss of the high speed carrier or if the modem detects V 21 carrier after initial loss of high speed carrier then the modem immediately accepts the loss of carrier as qualified without waiting for the FCL timer to expire In HDLC receive modes if the modem detects HDLC abort prior to initial loss of the high speed carrier or if the modem detects V 21 carrier after initial loss of high speed carrier then the modem immediately accepts the loss of c
22. Each lt DLE gt lt DLE gt sequence is transmitted as a single lt DLE gt lt DLE gt lt ETX gt is considered as the end of frame marker and is not transmitted All data received from the DTE after lt DLE gt lt ETX gt is ignored by the modem until the modem generates either the CONNECT OK or ERROR result code If no more data is in the transmit buffer and the final bit was a 1 bit 4 of the second byte received from the DTE the modem generates the OK result code and returns to the command mode If the final bit was a 0 the modem generates the CONNECT message and waits for further data from the DTE while transmitting HDLC flags If no more data is received before 5 seconds elapse the modem drops carrier goes on hook and generates the ERROR result code Fax Control Reception Fax control reception is initiated using the AT FRH lt mod gt command After this command is issued the modem looks for carrier in the modulation scheme specified by the parameter n If no carrier is detected before the period of time specified by register S7 expires the modem generates the NO CARRIER message and returns to command mode If a carrier is detected that is not the one specified by the parameter n the modem generates the FCERROR message and returns to the command mode If the specified carrier is detected the modem generates the CONNECT message and enters the HDLC receive mode In HDLC receive mode the modem receives HDLC frames from the remo
23. FMI Request Manufacturer Identification FMM Request Model Identification FMR Request Revision Identification FPR Fixed DTE Rate FRH Receive Data with HDLC Framing FRM Receive FRS Receive Silence FTH Transmit Data with HDLC Framing FTM Transmit Facsimile FTS Transmit Silence GCAP Request Complete Capabilities List GCl Country of Installation m GMI Request Conexant Identification 3 7 GMI Request Manufacturer Identification 3 7 GMM Request Model Identification GMR Request Revision Identification H Enable Disable RPI and DTE Speed IBC In Band Commandqs IFC DTE Modem Local Flow Control ILRR DTE Modem Local Rate Reporting 3 32 IPR Fixed DTE Rate 1 Transmit Flow Control Thresholds MR Modulation Reporting Control MS Modulation Selection PCW Call Waiting Enable PIG PCM Upstream Ignore PMH Modem on Hold Enable
24. PMHF V 92 Modem on Hold Hook Flash 3 100 PMHR Initiate Modem on Hold 3 99 PMHT Modem on Hold Timer 3 98 PQC V 92 Phase 1 and Phase 2 Control 3 101 PSS Use Short 3 102 VCID Caller CID eene 3 3 VDR Distinctive 5 20 VDT Control Tone Cadence Reporting 5 21 VDX Speakerphone Duplex Mode 5 24 VGM Microphone 5 25 VGR Voice Gain Receive Record Gain 5 9 VGS Speaker 5 26 VGT Voice Gain Transmit Playback Volume 5 10 VIP Voice Initialize All Parameters 5 5 VIT Voice Inactivity Timer DTE Modem 5 11 VLS Analog Source Destination Selection 5 11 VNH Automatic Hang up Control ssss 5 4 VPR Select DTE Modem Interface Rate 5 22 VRA Ringback Goes Away 5 15 VRID Caller ID CID 3 4 VRN Ringback Never Appeared Timer VRX Start Modem Receive Record
25. See S95 and Xn 55 MRR 21600 The modem has connected to the line at 21600 bps and carrier reporting is enabled See S95 and Xn 56 MRR 24000 The modem has connected to the line at 24000 bps and carrier reporting is enabled See S95 and Xn 57 MRR 26400 The modem has connected to the line at 26400 bps and carrier reporting is enabled See S95 and Xn 58 MRR 28800 The modem has connected to the line at 28800 bps and carrier reporting is enabled See S95 and Xn 59 CONNECT 16800 The modem has connected to the line the DTE speed is 16800 bps and DTE speed reporting is enabled 61 CONNECT 21600 The modem has connected to the line the DTE speed is 21600 bps and DTE speed reporting is enabled 62 CONNECT 24000 The modem has connected to the line the DTE speed is 24000 bps and DTE speed reporting is enabled 63 CONNECT 26400 The modem has connected to the line the DTE speed is 26400 bps and DTE speed reporting is enabled 64 CONNECT 28800 The modem has connected to the line and either the line speed is 28800 bps and DCE speed reporting is enabled or the DTE speed is 28800 bps and DTE speed reporting is enabled 66 DR ALT The modem has connected to the line in MNP Class 5 and DR message reporting is enabled See S95 Wn and Xn 67 DR V 42B The modem has connected to the line in V 42 bis and DR message reporting is enabled See S95 Wn and Xn 69 DR NONE The modem has connected to the line without data compress
26. amp 00 Parallel interface selected Same as WO Selects reliable error correction mode The modem will first attempt a LAPM connection and then an MNP connection Failure to make a reliable connection results in the modem hanging up Forces amp Q5 S36 4 and S48 7 Selects auto reliable mode This operates the same as N2 except failure to make a reliable connection results in the modem falling back to the speed buffered normal mode Forces amp 5 536 7 and 848 7 Selects LAPM error correction mode Failure to make an LAPM error correction connection results in the modem hanging up Forces amp Q5 and S48 0 Note The K1 command can override the N4 command Selects MNP error correction mode Failure to make an MNP error correction connection results in the modem hanging up Forces amp Q5 536 4 and S48 128 OK lt mode gt 0 to 5 ERROR Otherwise 102184B Conexant 3 5 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 1 Identification This command causes the modem to reports the requested result according to the command parameter Syntax I lt value gt Defined Values lt value gt Decimal number corresponding to the selected information 0 Reports product code e g 56000 1 Reports the least significant byte of the stored checksum in decimal Reports 255 if the prestored checksum value is FFh 2 Reports OK 3 Reports identificati
27. or at or to repeat the execution of the previous command line the characters A or a The body is made up of individual commands described in this document Space characters 145 2 0 are ignored and may be used freely for formatting purposes unless they are embedded in numeric or string constants The termination character may not appear in the body The modem can accept at least 50 characters in the body The termination character may be selected by a user option parameter 53 the default being CR 102184B Conexant 2 1 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 2 2 2 Command Line Editing The character defined by parameter S5 default BS is interpreted as a request from the DTE to the modem to delete the previous character Any control characters 5 0 0 through 1 15 inclusive that remain in the command line after receipt of the termination character are ignored by the modem The modem checks characters from the DTE first to see if they match the termination character S3 then the editing character S5 before checking for other characters This ensures that these characters will be properly recognized even if they are set to values that the modem uses for other purposes If S3 and S5 are set to the same value a matching character will be treated as matching S3 S3 is checked before S5 2 2 3 Command Line Echo The modem may echo characters received from the DTE during comma
28. respectively Serial interface operation only Result Codes OK value 0 to 3 ERROR Otherwise 3 26 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual amp Q Sync Async Mode This command is an extension of the amp M command and is used to control the connection modes permitted It is used in conjunction with 536 and 548 Also see N NOTE When the amp QO to amp Q3 command is issued to select the mode the subsequent connect message will report the DCE speed regardless of the W command and S95 settings Syntax amp lt gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Result Codes Selects direct asynchronous operation The value 000b is written to S27 bits 3 1 and 0 respectively See 6 0 Selects synchronous connect mode with async off line command mode The value 001b is written to S27 bits 3 1 and 0 respectively See amp M1 Serial interface operation only Selects synchronous connect mode with async off line command mode and enables DTR dialing of directory 0 The value 010b is written to S27 bits 3 1 and 0 respectively See amp M2 Serial interface operation only Selects synchronous connect mode with async off line command mode and enables DTR to act as Talk Data switch The value 011b is written to 527 bits 3 1 and 0 respectively See amp M3 Serial interface
29. send TCF data get TCF data lt DLE gt lt ETX gt OK drop carrier AT FRH 3 detect carrier send V 21 carrier CONNECT detect flags send flags lt CFR frame data gt get CFR frame get CRF frame Final frame bit set lt DLE gt lt ETX gt check FCS send FCS frame OK OK accept FCS AT FRH 3 NO CARRIER detect loss of carrier drop carrier AT FTM 96 CONNECT send V 29 carrier detect carrier lt page image data gt send page data receive page lt DLE gt lt ETX gt drop carrier OK AT FTS 8 wait 80 ms FRH 3 send V 21 carrier detect carrier send flags detect flags CONNECT send EOP frame receives EOP lt EOP frame data gt send FCS lt DLE gt lt ETX gt OK drop carrier final frame AT FRH 3 detect carrier send V 21 carrier CONNECT detect flags send flags lt MCF frame data gt get MCF frame get MCF frame Final frame bit set lt DLE gt lt ETX gt check FCS send FCS frame OK OK accept FCS AT FRH 3 NO CARRIER detect loss of carrier drop carrier AT FRH 3 send V 21 carrier lt DNC frame gt CONNECT send flags detect carrier send DNC frame detect flags lt DLE gt lt ETX gt send FCS receive OK drop carrier final frame ATHO OK hang up hang up 4 20 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Table 4 5 Fax Class 1 Answering Sequence Receiving a Single Page DTE Commands Modem Responses Local Modem Action Remote Station Action
30. 10 lt DLE gt lt DLE gt in the data stream lt ETX gt 0 3 End Data State x 5 8 Packet Header for the Complex Event Detection Report 2 14 Packet Terminator for the Complex Event Detection Report 2 15 Start of DTMF tone shielding 2 7 15 DTMF transitions to off R 5 2 Ring 1 3 1 DTMF 1 2 3 2 DTMF 2 3 3 3 DTMF 3 4 3 4 DTMF 4 5 3 5 DTMF 5 6 3 6 DTMF 6 7 3 7 DTMF 7 8 3 8 DTMF 8 9 3 9 DTMF 9 0 3 0 DTMF 0 4 1 Extended Keypad DTMF B 4 2 Extended Keypad DTMF B 4 3 Extended Keypad DTMF C D 4 4 Extended Keypad DTMF D 2 10 Extended Keypad DTMF E 2 3 Extended Keypad DTMF F 6 15 Receive Buffer Overrun 6 3 Facsimile Calling e 6 5 Data Calling h 6 8 Line Current Break local phone goes on hook H 4 8 Line Current Detected local phone goes off hook 5 7 3 Presumed Hangup SILENCE Time out q 7 1 Presumed End of Message QUIET Time out J 4 10 SIT Signal 6 12 Loop Current Interruption r 7 2 Ringing Tone b 6 2 BUSY d 6 4 DIAL TONE 7 5 Transmit Buffer Underrun p 7 0 Line voltage increase P 5 0 Line voltage decrease extension pickup a 6 1 Facsimile or Data Answer f 6 6 Data Answer 5 2 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 5 1 2 lt DLE gt Shielded Codes Sent to the Modem DCE Table 5 3 lists the supported lt DLE gt shielded codes sent to th
31. 2 For the defaults Reporting Supported Range of Parameter Values Command IFC Response modem by DTE range DTE by modem range Example 0 3 0 2 102184B Conexant 3 31 AT Commands for 1801 06833 81300 06827 Modems Reference Manual ILRR DTE Modem Local Rate Reporting This extended format numeric parameter controls whether or not the extended format ILRR lt rate gt information text is transmitted from the modem to the DTE Syntax ILRR lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Disables reporting of local port rate ILRR is not transmitted Default 1 Enables reporting of local port rate ILRR is transmitted Reporting Current or Selected Values Command ILRR Response ILRR current value gt Example ILRR 0 For the default setting Reporting Supported Range of Parameter Values Command ILRR Response ILRR lt value gt range Example ILRR 0 1 Reported Rate The rate reported represents the current negotiated or renegotiated DTE modem rate If enabled the intermediate result code is transmitted after any modulation error control or data compression reports are transmitted and before any final result code e g CONNECT is transmitted The rate is applied after the final result code is transmitted The DTE modem port rate will change only if neith
32. 3 72 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 2 6 Data Compression Commands This section contains parameters to condition modem use of standard ITU T V 42bis Data Compression Procedures 405 Data Compression This extended format compound parameter controls the V 42bis data compression function if provided in the modem It accepts four numeric subparameters Syntax DS lt direction gt lt compr_neg gt lt max_dict gt lt max_string gt Defined Values lt direction gt lt compr_neg gt lt max_dict gt lt max_string gt Specifies the desired direction s of operation of the data compression function from the DTE point of view 0 Negotiated no compression V 42bis 0 0 3 both directions accept any direction V 42bis 0 11 Default Specifies whether or not the modem should continue to operate 1f the desired result 1s not obtained 0 Do not disconnect if V 42bis is not negotiated by the remote modem as specified in direction Specifies the maximum number of dictionary entries 2048 entries which should be negotiated may be used by the DTE to limit the codeword size transmitted based on its knowledge of the nature of the data to be transmitted Specifies the maximum string length 32 bytes to be negotiated V 42bis P2 Reporting Current or Selected Values Command DS Response DS direction comp
33. 3Dh Value Any string as defined below Table 3 5 Table 3 10 as appropriate gt Right angle bracket greater than sign 3Eh Unless otherwise noted all values are hexadecimal numbers Any numeric values from tables in ITU V 58 are converted to hexadecimal Multi digit values are reported MSD first Leading 0 s may be deleted See examples in Table 3 14 Monitoring an active connection This command is intended for use after call termination However codes are defined so that a modem can respond before the first call is placed and during a call for live monitoring purposes For example key 60 call termination has value defined indicating that the call is still in progress There are at least two ways to do this First the DTE could switch the modem to On Line command state issue the command capture the responses and then issue an ATO command For smoother on line monitoring in band means defined in ITU V 80 are recommended if available in the modem If V 80 methods are used each response line shall be a separate extended in band message Notes for Tables 1 The modem may insert a delay e g 10 ms between information text lines 2 The code tables include values for data and fax calls Some of the codes are applicable only to data calls e g data compression some are applicable only to call origination e g busy answering signal detection and some are applicable only to the answering modem e g calling sign
34. 4 MS Command Supported Rates Modulation carrier Possible min rx rate min rx rate min tx rate and tx rate Rates bps Bell 103 B103 300 Bell 212 B212 1200 Rx 75 Tx or 75 Rx 1200 Tx V 21 V21 300 V 22 V22 1200 V 22 bis V22B 2400 or 1200 23 V23C 1200 V 32 V32 9600 or 4800 V 32 bis V32B 14400 12000 9600 7200 or 4800 V 34 V34 33600 31200 28800 26400 24000 21600 19200 16800 14400 12000 9600 7200 4800 or 2400 V 90 V90 56000 54667 53333 52000 50667 49333 48000 46667 45333 44000 42667 41333 40000 38667 37333 36000 34667 33333 32000 30667 29333 28000 V 92 downstream V92 56000 54667 53333 52000 50667 49333 48000 46667 45333 44000 42667 41333 40000 38667 37333 36000 34667 33333 32000 30667 29333 28000 V 92 upstream v92 48000 46667 45333 44000 42667 41333 40000 38667 37333 36000 34667 33333 32000 30667 29333 28000 26667 25333 24000 102184B Conexant 3 57 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Defined Values lt carrier gt lt automode gt A string which specifies the preferred modem carrier to use in originating or answering a connection lt carrier gt values are strings of up to eight characters consisting only of numeric digits and upper case letters lt carrier gt values for ITU standard modulations take the
35. ATA commands behave as specified in V 250 and indications are not generated by the modem For subparameter values lt v80 gt 6 and lt v8a gt 5 the A8I indications are issued during the course of the V 8 session to notify the DTE when the relevant V 8 signals are received Reporting Current or Selected Values Command A8E Response A8E lt v80 gt lt v8a gt lt v8cf gt lt v8b gt lt cfrange gt lt protrange gt Example A8E 1 1 00 1 0 0 For the defaults Reporting Supported Range of Parameter Values Command 8 Response A8E lt v80 gt range lt v8a gt range v8cf in octets lt v8b gt range lt cfrange gt lt protrange gt Example A8E 1 6 1 5 0 21 C1 0 1 0 0 8 CI Signal Indication This indication is issued by an answering modem if A8E lt v8a gt z 0 to indicate detection of a V 8 CI signal and report the recovered Call Function octet s Indication Syntax A8I lt v8cf gt lt CR gt Defined Values lt v8cf gt A hexadecimal code octet representation of those Call Function octet s A8I 0 indicates that the modem timed out waiting for CI Example A8I 0 The modem timed out waiting for CI A8I X YYY 102184B Conexant 3 79 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 2 8 Synchronous Access Mode Commands Three commands support Synchronous Access Mode ES Enables and disables Syn
36. Current or Selected Values Command FRH Response FRH lt mod gt Example FRH 98 For V 17 9600 bps Reporting Supported Range of Parameter Values Command Response FRH Example FRH 98 For V 17 9600 bps Result Codes CONNECT Reported for either of two conditions 1 When the selected carrier 18 detected with an HDLC flag 2 Ifthe DTE sends another lt gt command after sending the result code indicating frame reception 1s complete FCERROR Reported if a different carrier is detected and FAR 0 NO CARRIER Reported if loss of carrier is detected OK Reported for either of two conditions 1 Ifa frame was received correctly 2 Ifthe DTE sends any character other than XON or XOFF while the modem is in the configured flow control ERROR Reported if a frame was received in error Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 4 2 3 Service Class 1 Parameters FAR Adaptive Reception Control If Adaptive Reception is enabled the modem adaptively detects the selected message carrier or V 21 control messages If the expected carrier is detected the modem operates as specified in the respective FRM lt mod gt or FRH lt mod gt commands If V 21 flag preamble is detected instead the modem issues a FRH 3 intermediate result code and then executes an implied FRH 3 command Write Syntax FAR lt value gt
37. Disconnect after three retrains Call Waiting tone detected Extension pickup detected Remote hangup detected 102184B Conexant 3 119 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 91 PSTN Transmit Attenuation Level In non PCM modes V 90 and V 92 are PCM modes S91 sets the transmit attenuation level from 0 to 15 dBm for the PSTN mode resulting in a transmit level from 0 to 15 dBm In some countries the transmit level may not be changed and there are checks to prevent transmit attenuation level change using ConfigurACE Range 0 to 15 dBm Corresponding to 0 to 15 dBm transmit level Default 10 10 dBm transmit level 92 Fax Transmit Attenuation Level S92 sets the transmit attenuation level from 0 to 15 dBm for the fax mode resulting in a transmit level from 0 to 15 dBm In some countries the transmit level may not be changed and there are checks to prevent transmit attenuation level change using ConfigurACE Range 0 to 15 dBm Corresponding to 0 to 15 dBm transmit level Default 10 10 dBm transmit level 95 Extended Result Codes Control A bit set to a 1 in this parameter in conjunction with the W command will enable the corresponding extended result code see Section 3 4 and Table 3 16 The MR ER and DR settings also control S95 bits 2 3 and 5 respectively The more recent settings of MR ER and DR or host writing of 95 bits 2 3 and
38. Example DR 1 For the default setting 102184B Conexant 3 75 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Reporting Supported Range of Parameter Values Command DR Response DR lt value gt range Example DR 0 1 DR lt type gt Intermediate Result Code The DR lt type gt reported represents the current negotiated or renegotiated modem modem data compression type If enabled the intermediate result code is transmitted at the point after error control negotiation handshaking at which the modem has determined which data compression technique will be used if any and the direction of operation The DR intermediate result code if enabled is issued after the Error Control Report ER and before the final result code e g CONNECT The format of this result code is Result Code Syntax DR lt type gt Defined Values lt type gt An alphanumeric code corresponding to the selected option NONE Data compression is not in use V42B 42158 is in use in both directions V42B RD V 42 bis is in use in receive direction only V42B TD V 42 bis is in use in transmit direction only V44 V 44 is in use in both directions V44 RD 44 is in use in receive direction only V44 TD 44 is in use in transmit direction only ALT MNP 5 compression Example DR V42B 3 76 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Referenc
39. Flash ROM Lists of the generated parameters can be displayed or printed Conexant provided country parameter files allow a complete set of country specific call progress and blacklisting parameters to be selected Refer to the ConfigurACE II for Windows software for a detailed description of capabilities and the operating procedure 1 2 Reference Documentation Document Title Document No CX81300 SmartACF Modem Data Sheet 100488 CX06827 SCXXD Modem Device Set Data Sheet 101098 CX06833 SMXXD Modem Device Set Data Sheet 101840 CX81801 3x SmartV XX Modem with 128 Pin TQFP Data Sheet 101898 CX81801 7x 8x SmartV XX Modem with 128 Pin TQFP Data Sheet 102199 CX81801 4x SmartV XX Modem with 28 Pin CTLGA Data Sheet 102025 CX81801 9x SmartV XX V 92 Modem with 28 Pin CTLGA Data Sheet 102179 1 2 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Syntax and Procedures 2 1 2 2 2 2 1 The command and response syntax and procedures generally conform to referenced recommendations and standards Since these recommendations and standards describe characteristics universal to a large installed base of modems to a maximum degree there may be syntax and procedural differences due to extensions and behavioral differences in implemented commands parameters and responses beyond that described in these recommendations and standards The syntax and procedures described i
40. For the lt on gt and lt off gt subparameters the input buffer is assumed to reside between the modem s V 24 interface and the Synchronous Access protocol layer i e the buffer count includes all octets including EM codes received from the DTE with the exception of DC1 and DC3 if these are used to signal lt modem by DTE gt flow control The modem returns the ERROR result code if the DTE specifies that the lt off gt subparameter be set to a value less than or equal to the lt on gt subparameter in this case the current parameter value settings are not modified lt on gt Determines the threshold in octets below which the modem will generate a flow on signal Applicable in Synchronous Access and Frame Tunneling modes Default lt on gt value is 64 lt report_period gt Not supported A fixed value of zero is used and reported Reporting Selected Options The modem sends a string of information text to the DTE consisting of selected options in response to the following command ITF The response is ITF lt off gt lt on gt lt report_period gt Example ITF ITF 255 64 0 Default values 102184B Conexant 3 83 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Reporting Supported Options The modem sends a string of information text to the DTE consisting of supported options in response to the following command ITF The response is ITF list of supporte
41. In either event the OK result code is returned This command is aborted if any character is received from the DTE after receipt of the command but before the time delay elapses In this case the modem discards the aborting character and issues an OK result code Syntax FRS lt time gt Defined Values lt time gt Decimal number from 0 default to 255 which specifies the length of time in 10 ms intervals to delay before responding with the OK result code after detecting silence on the line Result Codes OK Reported when silence has been present on the line for the specified amount of time or when the DTE sends the modem a character other than XON or XOFF ERROR lt value gt is invalid or this command is issued while the modem is on hook Reporting Supported Range of Parameter Values Command FRS Response FRS lt time gt range Example FRS 0 255 4 8 Conexant 102184B Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual FTM Transmit Facsimile This command causes the modem to transmit data using the modulation defined below When a valid lt mod gt value is entered the modem transmits the proper training sequence in the selected mode followed by constant 1 bits until data is received from the DTE The modem also returns the CONNECT result code at the beginning of the training sequence Syntax FTM lt mod gt Defined Values lt mod gt Decimal number corresponding t
42. Manual Short Form Long Form n Value in ATXn Command Notes 0 1 2 3 4 63 CONNECT 26400 1 x x x x Note 2 64 CONNECT 28800 1 x x Note 2 66 DR ALT x x 67 DR V42B x x x x x 68 DR V44 X X X X X 69 DR NONE x x x x x 70 x x x 7T ER LAPM x x x x x 78 MRR 31200 x Note 2 79 MRR 33600 x Note 2 80 ER ALT x x x 81 ER ALT CELLULAR x x x x x 81 ER ALT CELLULAR X X X X X 83 LINE IN USE X X X X X 84 CONNECT 33600 1 x x x x Note 2 85 OFF HOOK INTRUSION X X X X X 86 LINE REVERSAL DETECTED X X X X X 87 NO LINE X X X X X 91 CONNECT 31200 1 x x x x Note 2 130 ILRR 134 MCR B103 135 MCR 212 136 MCR V21 x x 137 MCR V22 x x 138 MCR V22B 139 MCR 23 139 MCR 23 X X X X X 140 MCR V32 141 MCR V32B x x x x x 142 MCR V34 x x Note 3 145 MCR V90 x Note 3 145 MCR V90 X X X X X 146 MCR V92 X X X X X 147 MCR V29 X X X X X 150 MRR 32000 x Note 3 151 MRR 34000 x Note 3 152 MRR 36000 x Note 3 153 MRR 38000 x Note 3 154 MRR 40000 x No
43. Modems Reference Manual Table 3 6 Call Setup Result Codes No previous call modem log has been cleared since any previous calls No dial tone detected Reorder signal detected network busy Busy signal detected No recognized signal detected e g no signal or nothing recognizable 1 10 Voice detected if this is a voice modem e g 253 operating in voice mode e g FCLASS 8 0 Data Answering signal detected e g V 25 ANS V 8 ANSam Data Calling signal detected e g V 25 CT V 8 Cl Fax Answering signal detected e g T 30 CED DIS Fax Calling signal detected e g T 30 CNG gt olojn V 8bis signal detected Table 3 7 Multimedia Modes Data Only Fax Only Voice Video telephony H 324 gt Other V 80 call Table 3 8 DTE DCE modes 0 Async data 1 V 80 transparent synchronous mode 2 V 80 framed synchronous mode Table 3 9 V 34 INFO bit report Bits 01 31 30 INFOO bit 20 0 20 29 INFOc bits 79 88 16 19 INFOc bits 26 29 or 35 38 or 44 Pre emphasis field selected by the symbol rate 47 or 53 56 or 62 65 or 71 74 chosen 12 15 INFOa bits 26 29 10 11 MP bit 50 0 0 9 INFOa bits 40 49 3 88 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Referen
44. ON Reporting Current or Selected Values Command VSP Response lt mode gt Example 0 For the default setting Reporting Supported Range of Parameter Values Command VSP Response lt mode gt range Example 0 1 Result Codes OK mode 0 or 1 ERROR Otherwise or if not in Voice Mode 102184B Conexant 5 23 AT Commands for 1801 06833 81300 06827 Modems Reference Manual VDX Speakerphone Duplex Mode This command selects speakerphone full duplex mode Syntax VDX lt mode gt Defined Values lt mode gt Decimal number corresponding to the selected option 1 The speakerphone mode is full duplex Reporting Current or Selected Values Command VDX Response lt mode gt Example 1 For the default setting Reporting Supported Range of Parameter Values Command VDX Response lt mode gt range Example 1 Result Codes OK mode 1 Otherwise or if not in Voice Mode 5 24 Conexant 102184B Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual VGM Microphone Gain This command causes the modem to set the microphone gain of the speakerphone function Syntax VGM lt gain gt Defined Values lt gain gt Decimal number between 0 and 255 corresponding to the gain Reporting Current or Selected Values Command VGM Response lt gain gt Example 64 For the default setting Reporting Supported Range
45. PHONE NUMBER 1 4175537660 2 8288924961 3 3887278862 4 3124839442 5 6284664 OK 3 48 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual D Display Delayed Numbers This command causes the modem to send a list of the delayed numbers together with the delay associated with each The modem will return a list of delayed telephone numbers as defined in the B command The format of the response is shown by the example below delay times are shown as hours minutes seconds If no numbers are delayed only the OK result code is issued Syntax D Example NO PHONE NUMBER DELAY 8264734660 2 00 00 2 7532634661 2 00 00 3 2587334662 0 02 00 4 7532651663 0 03 25 5 7459931664 0 01 45 OK Extension Pickup Notification through 16550 UART The PPD 1 command allows setting of the DDSR bit 1 of register 6 when extension pick up is detected and disables all DSR notification The PPD 0 command disables this feature This feature is available only on a SmartSCM that is configured for parallel operation 102184B Conexant 3 49 AT Commands for 1801 06833 81300 06827 Modems Reference Manual STE Set Telephony Extension The STE command enables disables Line In Use Extension Pickup and Remote Hangup detection features Note Additional hardware may be required to support these features Syntax
46. S48 128 Disable negotiation bypass the detection and negotiation phases and proceed at once with the fallback action specified in S36 Can be used to force MNP 3 118 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 86 Call Failure Reason Code When the modem issues a NO CARRIER result code a value is written to S86 Register to help determine the reason for the failed connection 586 records the first event that contributes to NO CARRIER message The code definitions are Range 0 26 Default 21 586 0 586 1 586 2 586 3 586 4 586 5 586 6 586 7 586 8 586 9 586 10 586 11 586 12 586 13 586 14 586 15 586 16 586 17 586 18 586 19 586 20 586 21 586 22 586 23 586 24 586 25 586 26 Normal hangup no error occurred Reserved Reserved Call Waiting caused disconnect Physical carrier loss No error correction at the other end No response to feature negotiation This modem is async only the other modem is sync only No framing technique in common No protocol in common Bad response to feature negotiation No sync information from the remote modem Normal hangup initiated by the remote modem Retransmission limit reached Protocol violation occurred Lost DTR Received GSTN cleardown Inactivity timeout Speed not supported Long space disconnect Key abort disconnect Clears previous disconnect reason No connection established
47. Supported Range of Parameter Values Command VDR Response lt enable gt range lt report gt range Example 0 1 0 6 Result Codes OK lt enable gt lt report gt 0 1 0 6 ERROR Otherwise or if not in Voice Mode 5 20 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual VDT Control Tone Cadence Reporting This command is included for compatibility only and has no effect other than returning a result code This command allows the modem to enable or disable reporting of the control tone cadence information in the frequency band used by the Ringback Remote Ring BUSY and reorder Fast Busy tones usually in the 300 to 600 Hz range Syntax VDT lt enable gt lt report gt Defined Values lt enable gt Decimal number corresponding to the selected option 0 The modem will not produce any control tone cadence report lt report gt Decimal number specifying the produced any control tone cadence report when enabled by the lt enable gt subparameter 0 The modem will produce only CPOF and CPON messages Other Reserved Reporting Current or Selected Values Command VDT Response lt enable gt lt report gt Example 0 0 For the default setting Reporting Supported Range of Parameter Values Command VDT Response lt enable gt range report range Example 0 0 Result Codes OK lt enable gt lt report gt 0 0 ERROR Other
48. V 22bis V 22 Bell 212 Bit 2 Logical physical hang up selection applicable only if V 80 Synchronous Access Mode is enabled see ES command 0 Enable logical hang up if remote had already dropped its carrier when ATH command is issued to the modem Otherwise the modem waits for 538 delay before it physically disconnects Default 1 Enable physical hang up if remote side had already dropped its carrier when ATH command is issued to the modem Otherwise the modem does not wait for 538 delay but hangs up immediately Bit 3 Enable Disable HDLC in V 22 fast connect applicable only in V 22 fast connect mode F2 is selected and amp Q5 amp Q6 is selected 0 Enable asynchronous mode Default l Enable HDLC synchronous mode Note If V 80 Synchronous Access Mode is enabled the modem will automatically connect in V22 fast connect synchronous mode even if bit 3 0 Bit 3 V 22 fast connect synchronous mode handshake selection applicable only for CX81300 SmartACF and CX06827 SCXXD in hardware synchronous mode 1 e amp Q1 amp Q2 amp Q3 is selected 0 Select standard handshake scrambled ones are sent during handshake Default 1 Select SDLC handshake scrambled flags are sent during handshake Note If V 80 Synchronous Access Mode is enabled the modem will automatically connect in V22 fast connect synchronous mode even if bit 3 0 Bit4 V 29 FastPOS mode selection 0 Enable 29 FastPOS
49. VTD command Missing subparameters assume the default value Unspecified values always default to zero for frequencies DTMF for DTMF tones and VTD for duration The omission of commas and associated subparameters are valid The quantity in the square brackets consists of a 3 element list freq1 freq2 dur which can be used to send single or dual tones The first element is the first frequency 1 with range 0 or 200 3000 Hz The second element is the second frequency freq2 with range 0 or 200 3000 Hz The third element is the duration dur in 0 01 second intervals with range 0 255 ASCII units of 10 ms A list may contain null elements For example 3000 means that the DCE generates a single tone at 3000 Hz for the default duration 3000 3300 means that the DCE generates a dual tone at 3000 and 3300 Hz for the default duration and 3300 means that the DCE generates a single tone at 3300 Hz for the default duration The quantity in the curly braces consists of a 2 element list X dur which can be used to send DTMF tones or hookflash The first element is the DTMF tone or hookflash character X and the second element is the duration dur in 0 01 seconds The characters are of the same set given above list may contain null elements For example 2 means DTMF tone 2 for the default duration and means silence for the default duration The modem will stop the tone generation at the point in the strin
50. bit 6 Syntax amp S lt value gt Defined Values lt value gt Decimal number corresponding to the selected option amp 0 DSR will remain ON at all times Default amp l DSR will become active after answer tone has been detected and inactive after the carrier has been lost Result Codes OK value 0 or 1 ERROR Otherwise 3 28 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual amp X Select Synchronous Clock Source Selects the source of the transmit clock for the synchronous mode of operation The parameter value if valid is written to S27 bits 4 and 5 In asynchronous mode the transmit and receive clocks are turned OFF In synchronous mode the clocks are turned ON with the frequency of 1200 Hz or faster corresponding to the speed that is selected for modem operation Syntax amp X lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Selects internal timing The modem generates the transmit clock signal and applies it to the TXCLK output at the serial interface 1 Selects external timing The local DTE sources the transmit clock signal on the XTCLK input of the serial interface The modem applies this clock to the TXCLK output at the serial interface 2 Selects slave receive timing The modem derives the transmit clock signal from the incoming carrier and applies it to the TXCLK output at the seri
51. carrier NO CARRIER wait 75 ms CONNECT detect carrier send V 21 carrier lt EOP frame data gt detect flags send flags lt DLE gt lt ETX gt receive EOP send EOP frame NO CARRIER receive FCS send FCS accept FCS frame OK AT FRH 3 NO CARRIER detect loss of carrier drop carrier AT FRH 3 send V 21 carrier detect carrier CONNECT send flags detect flags lt MCFame data gt get MCF frame receive MCF frame lt DLE gt lt ETX gt send FCS accept FCS OK final frame AT FRH 3 detect carrier send V 21 carrier CONNECT detect flags send flags lt DCN frame data gt receive DCN send DCN frame lt DLE gt lt ETX gt receive FCS send FCS OK accept FCS frame OK AT FRH 3 NO CARRIER detect loss of carrier drop carrier end of session ATHO OK hang up 102184B Conexant 4 21 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual This page is intentionally blank 4 22 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 5 Voice Commands 5 1 Voice Commands Overview Voice commands are identified in Table 5 1 Table 5 1 Voice Commands Command Function Configuration FCLASS Set Mode VCID Caller ID CID VNH Automatic Hang up control FMI Manufacturer Identification FMM Product Identification FMR Version Revision etc FLO Flow Control Voice VIP Voice
52. carrier and rate that are transmitted at the point during connect negotiation handshaking at which the modem has determined which modulation and rate will be used i e before any Error Control or Data Compression reports are transmitted and before any final result code e g CONNECT is transmitted S95 bit 2 is reset to 0 for MR 0 and is set to a 1 for MR 1 or MR 2 The more recent setting of MR or S95 bit 2 and the W command setting determines modulation result code reporting see S95 Parameter and W Command Syntax MR lt value gt 102184B Conexant 3 59 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Defined Values lt value gt A decimal number corresponding to the selected option 0 Disables reporting of modulation connection MCR and MRR are not transmitted Default 1 Enables reporting of modulation connection MCR and MRR are transmitted with tx rate rx rate 2 Enables reporting of modulation connection MCR and MRR are transmitted with rx rate only Reporting Current or Selected Values Command Response Example MR current value MR 0 For default setting Reporting Supported Range of Parameter Values Command Response Example t MR MR lt value gt range 0 2 MCR Report Syntax Response MCR lt carrier gt lt carrier gt Alphanumeric code corresponding to t
53. connected to the line Local phone provided with power to detect hook condition 14 H External Microphone and Speaker combination handset or headset x x connected to the DCE DCE on hook Local phone connected to the line 15 HT External Microphone and Speaker combination handset or headset x x connected to the line DCE off hook DCE connected to the line Local phone provided with power to detect hook condition 16 MS Internal Microphone and Internal Speaker connected to DCE 17 MS1 Internal Microphone and External Speaker connected to DCE 18 M1S External Microphone and Internal Speaker connected to DCE 19 151 External Microphone and External Speaker connected to DCE 20 t DCE on hook Line snooping of local phone connected to the line Primitives Column 2 L Local Phone T Telephone Line M Internal Microphone M1 External Microphone S Internal Speaker S1 External Speaker H External Microphone and Speaker combination handset or headset t Telephone Line Snooping Note All label options in this table may not be supported by the product see VLS command 102184B Conexant 5 13 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Table 5 6 Events Detectable in the Voice Mode per V 253 Event Number Event Description Event Reporting 0 Caller 14 Report Message 1 DID Report Message 2 Distincti
54. determined during operation Default lowest lt min_tx_rate gt and highest lt max_tx_rate gt rate supported by the selected carrier 3 58 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Reporting Current or Selected Values Command MS Response MS lt carrier gt lt automode gt lt min_tx_rate gt lt max_tx_rate gt min rx rate max rx rate Note The current active settings are reported under control of the MR parameter Example 5 V92 1 300 48000 300 56000 For default values This example allows maximum system flexibility to determine optimal receive and transmit rates during operation Reporting Supported Range of Parameter Values Command MS Response MS lt carrier range automode range min tx rate range max tx rate range min rx rate range max rx rate range Example MS B103 B212 V21 V22 V22B V23C V32 V32B V34 V90 V92 0 1 300 33600 300 48000 300 56000 300 56000 Result Code OK Valid subparameter string ERROR Otherwise MR Modulation Reporting Control This extended format numeric parameter controls whether or not the extended format MCR lt carrier gt and MRR lt rate gt intermediate result codes are transmitted from the modem to the DTE If enabled MCR lt carrier gt and MRR lt rate gt intermediate result codes represent the current negotiated or renegotiated modulation
55. e g PatchB3 05 00 NVM s37 from the host computer to the modem RAM using industry standard communications software or an equivalent process Uploading SRAM patch An internal SRAM patch does not require a loader The AT command can be used to transfer the SRAM patch directly to the modem s internal RAM When the AT command is issued the modem firmware boot loader is invoked and the user will transfer the SRAM patch into the modem s RAM The data transfer is done via an ASCII transfer Procedure 1 SRAM patch file e g PatchB3 05 00 RAM S37 in an appropriate directory on the computer s hard disk 2 Configure the communications application program for a DTE rate of between 9600 bps and 115200 bps and RTS CTS flow control 3 Check the modem for response by typing AT 4 Initiate the download process using the AT command The Download flash code message appears upon issuing the AT command 5 Perform an AASCI transfer of the SRAM patch file e g PatchB3 05 00 RAM s37 from the host computer to the modem RAM using industry standard communications software or an equivalent process Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 2 2 DTE Modem Interface commands The parameters defined in this section control the operation of the interface between the DTE and modem E Command Echo The modem enables or disables the echo of characters to the DTE The pa
56. form lt letter gt lt 1 4 digits gt lt other letters as needed gt Defined values are listed in Table 3 4 A numeric value which enables or disables automatic modulation negotiation e g ITU T V 32bis Annex A or V 8 0 Automode disabled 1 Automode enabled Default lt min_rx_rate gt and lt max_rx_rate gt Numeric values which specify the lowest lt min_rx_rate gt and highest lt max_rx_rate gt rate at which the modem may establish a receive connection May be used to condition distinct limits for the receive direction as distinct from the transmit direction Values for this subparameter are decimal encoded in units of bit s The possible values for each modulation are listed in Table 3 4 Actual values will be limited to possible values corresponding to the entered lt carrier gt and fall back lt carrier gt as determined during operation Default lowest lt min_rx_rate gt and highest lt max_rx_rate gt rate supported by the selected carrier lt min_tx_rate gt and lt max_tx_rate gt Numeric values which specify the lowest lt min_tx_rate gt and highest lt max_tx_rate gt rate at which the modem may establish a transmit connection Non zero values for this subparameter are decimal encoded in units of bit s The possible values for each modulation are listed in Table 3 4 Actual values will be limited to possible values corresponding to the entered lt carrier gt and fall back lt carrier gt as
57. gt 0 255 ERROR Otherwise or if not in Voice Mode VLS Analog Source Destination Selection This command causes the modem to select one or more source destinations of the analog data Syntax VLS lt label gt Defined Values lt label gt Decimal number corresponding to the selected analog source destination hardware configuration see Table 5 5 Command VLS Response lt label gt Example 0 For the default setting 102184B Conexant 5 11 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Reporting Supported Range of Parameter Values Command VLS Response lt label gt lt devices gt lt transmit event gt lt receive event gt lt idle event gt Where each event subparameter is a hex number the represents an event bit field of the reporting capabilities of each state see Table 5 6 lt label gt Identifies the modem analog source destination hardware configuration lt devices gt A lt string constant gt made up of Primitives lt event gt lt transmit event gt lt receive event gt and lt idle event gt subparameters are the DCE event reporting capabilities for the Voice Transmit State Voice Receive State and the Voice Command State respectively Each of the event reporting subparameters is a hex number that represents an event bit field The hex number format is defined in Table 5 6 a one in the bit field indicates that the DCE can report th
58. i e not signaled to remote DCE timed Decimal number 0 specifying that any transmitted V 42 L SIGNAL will not indicate break signal length default length Decimal number 0 specifying that break is not delivered to the DTE Reporting Current or Selected Values Command EB Response break selection timed default length CR Example EB 0 0 0 For default settings Reporting Supported Range of Parameter Values Command EB Response lt break_selection gt range lt timed gt range default_length gt range Example 0 0 0 ESR Selective Repeat This extended format numeric parameter controls the use of the selective repeat SREJ option in V 42 Syntax ESR lt value gt Decimal number 0 specifying that SREJ is not used Reporting Current or Selected Values Command ESR Response ESR lt value gt Example ESR 0 For default setting 102184B Conexant 3 65 Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Reporting Supported Range of Parameter Values Command ESR Response ESR lt value gt Example 0 EFCS 32 bit Frame Check Sequence This extended format numeric parameter controls the use of the 16 bit or 32 bit frame check sequence FCS option in V 42 Syntax EFCS lt value gt Defined Values lt value gt Decimal number 0 specifying the use of the 16 bit FCS spe
59. in facsimile mode FCLASS 1 or 1 0 the only message sent to indicate a connection is CONNECT without a speed indication Syntax X lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Disables reporting of busy tones unless forced otherwise by country requirements send only OK CONNECT RING NO CARRIER ERROR and NO ANSWER result codes Blind dialing is enabled disabled by country parameters If busy tone detection is enforced and busy tone is detected NO CARRIER will be reported If dial tone detection is enforced or selected and dial tone is not detected NO CARRIER will be reported instead of NO DIAL TONE The value 000b is written to 522 bits 6 5 and 4 respectively 1 Disables reporting of busy tones unless forced otherwise by country requirements send only OK CONNECT RING NO CARRIER ERROR NO ANSWER and CONNECT XXXX XXXX rate Blind dialing enabled disabled by country parameters If busy tone detection is enforced and busy tone is detected NO CARRIER will be reported instead of BUSY If dial tone detection is enforced or selected and dial tone is not detected NO CARRIER will be reported instead of NO DIAL TONE The value 100b is written to 522 bits 6 5 and 4 respectively 2 Disables reporting of busy tones unless forced otherwise by country requirements send only OK CONNECT RING NO CARRIER ERROR NO DIAL TONE NO ANSWER and CONNECT XXXX If busy ton
60. its customers and may be used for informational purposes only Conexant assumes no responsibility for errors or omissions in these materials Conexant may make changes to specifications and product descriptions at any time without notice Conexant makes no commitment to update the information and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to its specifications and product descriptions No license express or implied by estoppel or otherwise to any intellectual property rights is granted by this document Except as provided in Conexant s Terms and Conditions of Sale for such products Conexant assumes no liability whatsoever THESE MATERIALS ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED RELATING TO SALE AND OR USE OF CONEXANT PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE CONSEQUENTIAL OR INCIDENTAL DAMAGES MERCHANTABILITY OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT CONEXANT FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION TEXT GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS CONEXANT SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION LOST REVENUES OR LOST PROFITS WHICH MAY RESULT FROM THE USE OF THESE MATERIALS Conexant products are not intended for use in medical lifesaving or life
61. may be affected by the state of Line Current Sense if enabled Most countries do not require Line Current Sense Operation is also dependent upon FCLASS command and country specific requirements If FCLASS 0 is selected the modem will enter the connect state after exchanging carrier with the remote modem If no carrier is detected within a period specified in register S7 the modem hangs up Any character entered during the connect sequence will abort the connection attempt If FCLASS 1 or 1 0 is selected the modem will go off hook in V 21 answer mode It will generate the V 21 2100 Hz answer tone for 3 0 5 seconds and following a delay of 70 ms will proceed as if the FTH 3 command were issued At any stage up to but excluding the FTH 3 command state any character will abort the communication See the description of the FTH command for details 3 40 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual H Disconnect Hang Up This command initiates a hang up sequence This command may not be available for some countries due to PTT restrictions Syntax H lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 The modem will release the line if the modem is currently on line and will terminate any test AT amp T that is in progress Country specific modulation specific and error correction protocol specific S38
62. n v Sets S Parameter n to the value v n Reports the value of S Parameter n The parameter n can be omitted in which case the last S Parameter accessed will be assumed The S can be omitted for and AT in which case the last S Parameter accessed will be assumed For example ATS7 establishes S7 as the last accessed register AT 40 sets the contents of the last register accessed to 40 ATS 20 sets the contents of the last register accessed to 20 If the number n is outside the range of the S Parameters available the modem will return the ERROR message If the value is outside the range permitted for a given S Parameter the modem will return the ERROR message Input and output are always in decimal format Note that some S Parameters are read only In some cases writing to the S Parameter will appear to be accepted but the value will not actually be written Due to country restrictions some commands will be accepted but the value may be limited and replaced by a maximum or minimum value Minimum maximum and default values for S Parameters may be altered with ConfigurACE Factory Defaults The factory default values are stored in ROM and are loaded into the active configuration at power up or by the ATZ command In addition the designated default profile is subsequently loaded and may change some of the factory default values The designated default profile can be changed by entering the amp Y command where n i
63. of Parameter Values Command VGM Response lt gain gt range Example 0 255 Result Codes OK lt gain gt 0 255 ERROR Otherwise or if not in Voice Mode with speakerphone enabled VSP 1 102184B Conexant 5 25 Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual VGS Speaker Gain This command causes the modem to set the speaker gain of the speakerphone function Syntax VGS lt gain gt Defined Values lt gain gt Decimal number between 0 and 255 corresponding to the gain Reporting Current or Selected Values Command VGS Response lt gain gt Example 128 For the default setting Reporting Supported Range of Parameter Values Command VGS Response lt gain gt range Example 0 255 Result Codes OK lt gain gt 0 255 ERROR Otherwise or if not in Voice Mode with speakerphone enabled VSP 1 5 26 Conexant 102184B Index UD Last Call Status 3 84 F Fast Connect Control sss 3 95 7 Plug and Play Serial 3 12 8 Plug and Play Vendor ID and Product 3 13 C Enable Disable Data Compression 3 77 Enable Disable Line Quality Monitor 3 61 L Report Line Signal Level 960 Report Line Signal Quali
64. of the modem in the presence of call waiting Syntax PCW lt value gt Defined Values lt value gt Decimal number corresponding to the selected operation 0 Request modem on hold if enabled by PMH and collect caller ID information if enabled by VRID Toggle V 24 circuit 125 Default 1 Hang up 2 Ignore call waiting Result Codes OK value 0 1 or 2 ERROR Otherwise Reporting Selected Value s Command PCW Response PCW lt value gt Example PCW 0 For the default setting Reporting Supported Range of Parameter Values Command PCW Response PCW lt value gt range Example PCW 0 1 2 3 96 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual PMH Modem on Hold Enable This command controls the selection of modem on hold in the modem The action of the modem in response to modem on hold events is determined by the state of this command as well as the state of a negotiated handshake with a V 92 compliant server in V 92 Mode Syntax PMH lt value gt Defined Values lt value gt Decimal number corresponding to the selected operation 0 Modem on hold enabled in V 92 Mode Default 1 Disabled modem on hold Result Codes OK 0 or 1 in V 92 Mode see the MS command ERROR Otherwise Reporting Current or Selected Value Command PMH Response current value gt Example 0 For the default sett
65. operation only The modem will try to negotiate an error corrected link The modem can be configured using 536 to determine whether a failure will result in the modem returning on hook or will result in fallback to an asynchronous connection The value 101b is written to S27 bits 3 1 and 0 respectively Default Selects asynchronous operation in normal mode speed buffering The value 110b is written to 527 bits 3 1 and 0 respectively OK value 0 to 3 5 or 6 ERROR Otherwise 102184B Conexant AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual amp R RTS CTS Option This selects how the modem controls CTS CTS operation is modified 1f hardware flow control is selected see amp K command The parameter value if valid is written to S21 bit 2 Syntax amp R lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 In syne mode CTS tracks the state of RTS the RTS to CTS delay is defined by S26 In async mode CTS is normally ON and will turn OFF only if required by flow control 1 In syne mode CTS is always ON RTS transitions are ignored tracks the state of RTS In async mode CTS is normally ON and will turn OFF only if required by flow control Result Codes OK value 0 or 1 ERROR Otherwise amp S DSR Override This command selects how the modem will control DSR The parameter value if valid is written to S21
66. or 1200 bps during Call Establishment and a subsequent connection Result Codes OK value 0 or 1 ERROR Otherwise 3 62 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 2 5 Error Control Commands 455 Error Control and Synchronous Mode Selection This extended format command specifies the initial requested mode of operation when the modem is operating as the originator optionally specifies the acceptable fallback mode of operation when the modem is operating as the originator and optionally specifies the acceptable fallback mode of operation when the modem is operating as the answerer It accepts three numeric subparameters Syntax ES lt orig_rqst gt lt orig_ fbk gt lt ans_fbk gt Defined Values lt orig_rqst gt Decimal number which specifies the initial requested mode of operation when the modem is operating as the originator The options are 0 Initiate call with Direct Mode 1 Initiate call with Normal Mode also referred to as Buffered Mode only 2 Initiate V 42 without Detection Phase If V 8 is in use disable V 42 Detection Phase 3 Initiate V 42 with Detection Phase Default 4 Initiate MNP 6 Initiate V 80 Synchronous Access Mode when connection is completed and Data State is entered See ESA and ITF commands 7 Initiate Frame Tunneling Mode when connection is complete and Data Mode is entered orig Decimal number whic
67. processing is handled outside of the HO command 1 If on hook the modem will go off hook and enter command mode For US models the modem will remain off hook For W class models the modem will return on hook after a period of time determined by S7 Result Codes OK value 0 1 ERROR Otherwise 102184B Conexant 3 41 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 0 Return to On Line Data Mode This command determines how the modem will enter the on line data mode If in the on line command mode the modem enters the on line data mode with or without a retrain If in the off line command mode no connection the modem reports ERROR Syntax O lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Enters on line data mode without a retrain Handling is determined by the Call Establishment task Generally if a connection exists this command connects the DTE back to the remote modem after an escape 1 Enters on line data mode with a retrain before returning to on line data mode 2 Fast retrain without speed change used for diagnostic purpose only 3 Renegotiate rate without speed change used for diagnostic purpose only 4 Renegotiate rate down one speed used for diagnostic purpose only 5 Renegotiate rate up one speed used for diagnostic purpose only Result Codes OK value 0 to 5 and a connection exists
68. respectively control the format of CONNECT messages see Section 3 4 and Table 3 16 The actual result code messages reported reflect the W command setting and the 595 bit settings Also see MR ER and DR commands The W parameter value if valid is written to S31 bits 2 and 3 Syntax W lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Upon connection the modem reports only the DTE speed e g CONNECT 19200 Subsequent responses are disabled Default 1 Upon connection the modem reports the modulation line speed the error correction protocol and the DTE speed respectively Subsequent responses are disabled 2 Upon connection the modem reports the DCE speed e g CONNECT 14400 Subsequent responses are disabled Result Codes OK value 0 1 or 2 ERROR Otherwise Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual X Extended Result Codes This command selects the subset of the result code messages used by the modem to inform the DTE of the results of commands Blind dialing is enabled or disabled by country parameters If the user wishes to enforce dial tone detection a W can be placed in the dial string see D command The information below is based upon the default implementation of the X results table Table 3 2 indicates the messages which are enabled for each X value If the modem is
69. s Action Execution Command Syntax sse tenete nnne nennen inten tentia tnis Action Test Command Syntax 244 Parameter Commands sse tette tenete tertie th Parameter sec n t eec ni e eH HERR ner dant E TV ASE oed sU odd Parameter Set Command Syntax ccscscssssssssssssssscsssssssesesssssscsssssssssesesscsssssssesesessessscasecessesesssesasessess Parameter Read Command 1 2 tenentes Parameter Test Command Syntax nnne tenente tenentes 24 5 Additional Syntax Rules tt eene erret tei repere need in reete e Re Concatenating Commands after Extended Syntax Commands sse 2 7 Concatenating Commands after Basic Format Commands sss 2 8 2 5 ISsuing ot sen eet LS ur bea t nn 2 8 102184B Conexant iii AT Commands for 1801 06833 81300 06827 Modems Reference Manual 2 6 Executing Commands e e ERI RR EH Re UTR EA A AET aUa 2 8 2 6 1 ADOMING2COM MANS 2 8 2 6 2 Handling of Invalid Numbers and S Parameter Values 2 9 2 7 56 AE E oe e eia e D RI RD RUE RS 2 9 2 7 1 ROSPONSES ese ba eid 2 9 2 7 2 Extended Syntax Result Cod
70. start V 8 or V 8bis negotiation For example if initial V 8 negotiation failed but subsequent T 30 negotiation indicated V 8 capability this command may be used to initiate V 8 negotiation Syntax A8E lt v80 gt lt v8a gt lt v8cf gt lt v8b gt lt cfrange gt lt protrange gt Defined Values lt v80 gt Decimal number which enables disables issuance of A8x indications during modem controlled V 8 origination negotiation 1 Enable DCE controlled V 8 origination negotiation without A8x indications Default 6 Enable DCE controlled V 8 origination negotiation with A8x indications lt v8a gt Decimal number which enables disables issuance of A8x indications during modem controlled V 8 answer negotiation 1 Enable DCE controlled V 8 answer negotiation without A8x indications Default 5 Enable DCE controlled V 8 answer negotiation with A8x indications lt v8cf Set the V 8 CI signal call function to the hexadecimal octet XY 00 Default 21 lt v8b gt Decimal number which enables disables V 8bis negotiation 0 Disable V 8bis negotiation 1 Enable V 8bis negotiation Default lt cfrange gt lt string of values Applicable only for lt v8a gt 5 Not supported lt protrange gt lt string of values gt Applicable only for lt v8a gt 5 Not supported 3 78 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Default values 1 1 00 1 0 0 The ATD and
71. sustaining applications Conexant customers using or selling Conexant products for use in such applications do so at their own risk and agree to fully indemnify Conexant for any damages resulting from such improper use or sale The following are trademarks of Conexant Systems Inc Conexant amp and the Conexant C symbol SmartDAAG SmartSCM SmartACF and ConfigurACE Product names or services listed in this publication are for identification purposes only and may be trademarks of third parties Third party brands and names are the property of their respective owners For additional disclaimer information please consult Conexant s Legal Information posted at www conexant com which is incorporated by reference Reader Response Conexant strives to produce quality documentation and welcomes your feedback Please send comments and suggestions to tech pubs conexant com For technical questions contact your local Conexant sales office or field applications engineer ii Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Contents REVISION Mox Sra ci c ta rola os Gm ai Xi 151 0 001610 1 E e ee dn e cedet ed ede eet leon fees 11 111 COMMaAnd Syntaxe au secte ctc ue abe d e c t ioc te beer sd 11 2 Command Descriptions c ccccccsssssssssescsssssess
72. the FLM used does not support the flash memory that is installed on the board Wrong S37 format Displayed if the modem firmware being uploaded is not in Motorola S3 format Record error Displayed if there is an error while either uploading or downloading If this occurs the transfer should be aborted and the user should restart at step 5 Download abort Displayed if the transfer is aborted before it is finished If this occurs the user should restart at step 5 Erase fail Displayed if the FLM is unable to erase the flash memory If this occurs the user should restart at step 5 Download error Re Load Displayed if there was an error when uploading or downloading If this occurs the user should restart at step 5 Error No H W flow ctl Displayed if RTS CTS flow control is not set If this occurs the user should restart at step 3 DTE timeout Displayed if the DTE has stopped the XMODEM transfer process before it is finished If this occurs the user should restart at step 5 Code doesn t match hardware Displayed if the user is attempting to upload a firmware that is not the same model parallel serial etc crystal frequency or size 1Mbit 2Mbit etc as the firmware that is currently on the board If this occurs the FLM will abort and not allow the user to continue Device successfully programmed Displayed by the FLM at the completion of a successful upload or
73. the last connection statistics in the following format shown with typical results TERMINATION REASON LOCAL REQUEST GAST 65 24 ET S 26400 BPS HIGHEST TX cass wists wad 26400 BPS LAST RX rate 49333 BPS HIGHEST RX rdtG i 50 49333 BPS PROTOCOL a A ree LAPM COMPRESSION RES V42Bis Tone QUALITY eR 038 Roco IEMET a GU 015 Highest Rx State 67 Highest TX State ssid ede ve 67 EOM S ui repa ave 00B4 Min Da Stans 0000 RBS PAE COE 00 Rate DEOD ede WS 00 Drgrtal eae Peles 2000 Local Rtrn Counts 54 00 Remote Rtrn Count 00 Flex 9481814347C4 RBS Pattern Shows which bits are being robbed in the least significant 6 bytes e g 03 indicates 2 robbed bits in bit positions 0 and 1 Digital Loss Shows if a pad was encountered and if so what was the digital loss 2000 means OdB Flex Shows V 8bis information as follows First byte Octet 13 second byte of manufacturer id 94 K56flex Second byte Octet 14 Licensee code 81 Conexant Third byte Octet 15 manufacturer s product capabilities Fourth byte Octet 16 K56flex version number Fifth byte Octet 17 Conexant pump code version number Sixth byte Octet 18 x law and controller version number Bit 6 Forced Not forced A Law u Law 0 Forced A Law p Law l Not forced A Law p Law Bit 5 Selec
74. the result code CONNECT should be issued at the bit rate and parity used during the command state When the modem transitions from the online data state to the command state or online command state the result codes should be issued at the bit rate used during the online data state Thereafter any unsolicited result codes should use the bit rate and parity of the last command line issued by the DTE to the modem The characters of a response will be contiguous with no more than 100 milliseconds of mark idle issued between characters in addition to stop elements Responses There are two types of responses that may be issued by the modem information text and result codes Information Text Information text responses consist of three parts a header information text and a trailer 1 The characters transmitted for the header are determined by the V command 2 The trailer consists of two characters being the character having the ordinal value of parameter 53 followed by the character having the ordinal value of parameter S4 3 Information text usually consists of a single line information text returned in response to some commands may contain multiple lines and the text may therefore include CR LF and other formatting characters to improve readability Result Code Parts Result codes consist of three parts a header the result text and a trailer 1 The characters transmitted for the header and trailer are determined by the V c
75. to a lower speed within the V 34 V 32 bis V 32 RC336 modulation speeds The modem will keep falling back within the current modulation if necessary until the speed reaches 2400 bps V 34 or 4800 bps V 32 Below this rate the modem will only do retrains if EQM thresholds are exceeded If the EQM is sufficient for at least one minute the modem will initiate a rate renegotiation to a higher speed within the current modulation speeds The rate renegotiations will be done without a retrain if a V 32 bis connection is established Speeds attempted during fallback fall forward are those shown to be available in the rate sequences exchanged during the initial connection Fallback fall forward is available in error correction and normal modes but not in direct mode or synchronous mode with external clocks 102184B Conexant 3 61 AT Commands for 1801 06833 81300 06827 Modems Reference Manual B CCITT or Bell When the modem is configured to allow either option the modem will select Bell or CCITT modulation for a line speed connection of 300 or 1200 bps Any other line speed will use a CCITT modulation standard The parameter value if valid is written to S27 bit 6 Syntax B lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Selects CCITT operation at 300 or 1200 bps during Call Establishment and a subsequent connection Default 1 Selects BELL operation at 300
76. to the line at 46667 bps and DCE SPEED reporting is enabled 191 CONNECT 49333 The modem has connected to the line at 49333 bps and DCE SPEED reporting is enabled 192 CONNECT 50667 The modem has connected to the line at 50667 bps and DCE SPEED reporting is enabled 193 CONNECT 53333 The modem has connected to the line at 53333 bps and DCE SPEED reporting is enabled 194 CONNECT 54667 The modem has connected to the line at 54667 bps and DCE SPEED reporting is enabled 195 MRR 28000 The modem has connected to the line at 28000 bps and carrier reporting is enabled See S95 and Xn 196 MRR 29333 The modem has connected to the line at 29333 bps and carrier reporting is enabled See S95 and Xn 197 MRR 30667 The modem has connected to the line at 30667 bps and carrier reporting is enabled See S95 and Xn 198 MRR 33333 The modem has connected to the line at 33333 bps and carrier reporting is enabled See S95 and Xn 199 MRR 34667 The modem has connected to the line at 34667 bps and carrier reporting is enabled See S95 and Xn 200 MRR 37333 The modem has connected to the line at 37333 bps and carrier reporting is enabled See S95 and Xn 201 MRR 38667 The modem has connected to the line at 38667 bps and carrier reporting is enabled See S95 and Xn 202 MRR 41333 The modem has connected to the line at 41333 bps and carrier reporting is enabled See S95 and Xn 203 MRR 42667 The modem has connected to the line at 4
77. tx max codewords rx max string tx max string rx max history tx max history rx Example 0544 3 0 0 2048 2048 32 32 4096 4096 For the default setting Reporting Supported Range of Parameter Values Command DS44 Response DS44 list of supported direction values list of supported compression negotiation values list of supported capability values list of supported max codewords gt values list of supported max codewords rx values list of supported max string tx values list of supported max string rx values list of supported max history tx values list of supported max history rx values DR Data Compression Reporting This extended format numeric parameter controls whether or not the extended format DR intermediate result code is transmitted from the modem to the DTE S95 bit 5 is reset to 0 for DR 0 and is set to a 1 for DR 1 The more recent setting of DR or 595 bit 5 and the W command setting determines the actual data compression result code reporting see S95 Parameter and W Command Syntax DR lt value gt Defined Values lt value gt decimal number corresponding to the selected option 0 Data compression reporting disabled no D R result code transmitted 1 Data compression reporting enabled DR result code transmitted Default Reporting Current or Selected Values Command DR Response DR lt current value gt
78. user must flash the hook in order to get a dial tone due because the remote server will be retraining If the local handset is picked up while the modem is off hook the modem will do a link disconnect flash the hook for 1 5 seconds then connect the local handset to the line At this point the user dial tone should be on the local handset The disconnect reason in 886 25 Behavior in Voice Mode FCLASS 8 When in voice mode and an extension is picked up a lt DLE gt P is sent to the DTE When the modem is off hook a line reversal may also be detected in which case a lt DLE gt 1 is sent to the DTE In voice mode there is no blocking of ATDT when the line is in use Also there is no automatic hang up in voice mode as in data mode There is only the above stated lt DLE gt shielding event reporting Operation in Data Mode Line In Use Enabled by AT STE 1 AT STE 3 AT STE 5 or AT STE 7 Case 1 Telephone Line is in Use If an ATDT ATDP or ATDL is issued while Line In Use detection is enabled and the telephone line is in use the modem will immediately return the message LINE IN USE to the DTE without going off hook and then return to command mode Case 2 Telephone Line is in Use But Disconnected If an ATDT ATDP or ATDL is issued while Line In Use detection is enabled and the telephone line is NOT in use the modem will go off hook after a short pause then respond with CONNECT or NO CARRIER message Case 3 Telepho
79. x x x x x Note 3 192 CONNECT 50667 x x x x x Note 3 193 CONNECT 53333 x x x x x Note 3 194 CONNECT 54667 x x x x x Note 3 195 MRR 28000 x x x Note 3 196 MRR 29333 x Note 3 197 MRR 30667 x Note 3 198 MRR 33333 x Note 3 199 MRR 34667 x Note 3 200 MRR 37333 x Note 3 201 MRR 38667 x x x Note 3 202 MRR 41333 x Note 3 203 MRR 42667 x x 3 204 MRR 45333 x x x Note 3 205 MRR 46667 x x x Note 3 206 MRR 49333 x Note 3 207 MRR 50667 x x x Note 3 208 MRR 53333 x Note 3 209 MRR 54667 x Note 3 210 MRR 25333 X X X X X 211 MRR 26667 X X X X X 212 MRR 25333 X X X X X 213 MRR 22666 X X X X X 214 DIGITAL LINE DETECTED X X X X X Notes 1 An x ina column indicates that the message either the long form if verbose or the value only for short form will be generated when that particular value of n shown at the top of the column has been selected by the use of ATXn If the column is blank then no message will be generated for that x option A numeral indicates which less explicit message verbose or short form will be output for that X option Also see Section 3 3 2 V 34 V 90 and V 92 models only 3 90 and V 92 models only 102184B Conexant 3 23 AT Commands for 1801 06833 81300 06827 Modems Reference Manual am
80. 0 bps and DCE speed reporting is enabled 15 CONNECT 14400 The modem has connected to the line at 14400 bps and DCE speed reporting is enabled 16 CONNECT 19200 The modem has connected to the line and either the line speed is 19200 bps and DCE speed reporting is enabled or the DTE speed is 19200 bps and DTE speed reporting is enabled 17 CONNECT 38400 The modem has connected to the line the DTE speed is 38400 bps and DTE speed reporting is enabled 18 CONNECT 57600 The modem has connected to the line the DTE speed is 57600 bps and DTE speed reporting is enabled 19 CONNECT 115200 The modem has connected to the line the DTE speed is 115200 bps and DTE speed reporting is enabled 22 CONNECT The modem has established a V 23 originate connection and line speed reporting is enabled 75TX 1200RX 23 CONNECT The modem has established a V 23 answer connection and line speed reporting is enabled 1200TX 75RX 102184B Conexant 3 123 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Code Message Meaning 24 DELAYED For X4 sent when a call fails to connect and the number dialed is considered delayed due to country blacklisting requirements 32 BLACKLISTED For X4 sent when a call fails to connect and the number dialed is considered blacklisted 33 FAX A fax modem connecti
81. 102184B Conexant 3 3 AT Commands for 1801 06833 81300 06827 Modems Reference Manual VRID Report Retrieved Caller ID CID This command reports the data associated with the Caller ID services in the Incoming Call Line ID ICLID data format for the last received call Syntax VRID lt pmode gt Defined Values lt pmode gt Decimal number corresponding to the selected option 0 Reports Caller ID with formatted presentation to the DTE The modem presents the data items in a lt Tag gt lt Value gt pair format The expected pairs are date time name and caller code telephone number 1 Reports Caller ID with unformatted presentation to the DTE Reporting Supported Range of Parameter Values Command VRID Response VRID lt pmode gt range Example VRID 0 1 3 4 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual N Operating Mode This command controls the preferred error correcting mode to be negotiated in a subsequent data connection This command is affected by the OEM firmware configuration Syntax N lt mode gt Defined Values lt mode gt Decimal number which corresponds to the selected mode 0 Result Codes Selects normal speed buffered mode disables error correction mode Forces amp Q6 Serial interface selected Selects direct mode and is equivalent to amp MO amp QO mode of operation Forces
82. 2184B Conexant 3 117 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 41 General Bit Mapped Options Status S41 indicates the status of command options Default 13 C3h 00001101b Bits 0 1 Compression selection Cn Disabled C0 MNP 5 1 42 bis 2 MNP 5 42 bis 3 Default Bits 2 6 Auto retrain and fallback fall forward 2 0 0 Retrain and fallback fall forward disabled 0 0 1 Retrain enabled E1 1 0 Fallback fall forward enabled E2 Default Bit 3 Reserved Bits 4 5 Reserved Bit 7 Reserved 546 Data Compression Control S46 controls selection of compression The following actions are executed for the given values Range 136 or 138 Default 138 S46 136 Execute error correction protocol with no compression S46 138 Execute error correction protocol with compression Default 48 V 42 Negotiation Control The V 42 negotiation process determines the capabilities of the remote modem However when the capabilities of the remote modem are known and negotiation is unnecessary this process can be bypassed if so desired Range 0 7 or 128 If an invalid number is entered it is accepted into the S Parameter but S48 will act as if 128 has been entered Default 7 S48 0 Disable negotiation bypass the detection and negotiation phases and proceed with LAPM 548 7 Enable negotiation Default
83. 2667 bps and carrier reporting is enabled See S95 and Xn 204 MRR 45333 The modem has connected to the line at 45333 bps and carrier reporting is enabled See S95 and Xn 205 MRR 46667 The modem has connected to the line at 46667 bps and carrier reporting is enabled See S95 and Xn 206 MRR 49333 The modem has connected to the line at 49333 bps and carrier reporting is enabled See S95 and Xn 207 MRR 50667 The modem has connected to the line at 50667 bps and carrier reporting is enabled See S95 and Xn 208 MRR 53333 The modem has connected to the line at 53333 bps and carrier reporting is enabled See S95 and Xn 209 MRR 54667 The modem has connected to the line at 54667 bps and carrier reporting is enabled See S95 3 126 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Code Message Meaning and Xn Notes 1 Vn for result code selection i e short form result code or verbose extended result message See Wn for extended connect message control See S95 for extended result code enabling options which override some Wn commands See Xn for extended result code subset enabling options See Vn for single line connect message enable options See MR for modulation reporting control 102184 Conexant 3 127 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual This page is inte
84. 49 Q Q Quiet Results Codes Control 3 17 QCPC Force Full Startup Procedure Next Connection 3 103 QCPS Enable Quick Connect Profile Save 3 103 5 S Read Write S Parameter SO Number of Rings to Auto Answer S1 Ring 10 Lost Carrier To Hang Up Delay S11 DTMF Tone 512 Escape Prompt Delay EPD 514 General Mapped Options Status 516 Test Mode Bit Mapped Options Status S17 Point Of Sale Options Selection 19 Reserved S2 Escape 520 Reserved ihe ote eee rera S21 V 24 General Mapped Options Status 5210 V 34 Symbol Rates 522 Speaker Results Bit Mapped Options Status 3 112 523 General Mapped Options Status 3 113 524 Sleep Inactivity 3 113 525 Delay To 3 113 526 RTS to CTS 3 113 527 Bit Mapped Options Status 3 114 S28 Bit Mapped Options Status
85. 5 along with the W command setting determine the corresponding actual result code reporting see MR ER DR and W commands Default 0 Bit 0 CONNECT result code indicates DCE speed instead of DTE speed Bit 1 Append ARQ to CONNECT XXXX result code in error correction mode rate Bit 2 Enable MCR XXXX result code XXXX modulation and MRR XXXX result code XXXX rate Also see MR Bit 3 Enable ER XXXX result code XXXX protocol identifier Bit 4 Reserved Bit 5 Enable D R XXXX result code XXXX compression type Bits 6 7 Reserved 3 120 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 210 V 34 Symbol Rates The bits in this parameter control V 34 symbols rates and enables disables V 34 asymmetric rates This parameter is used for diagnostic purpose only Default 13 0Dh 000011015 Bits 0 2 Selects the range of allowed V 34 symbol rates 21 0 Symbol Rates baud 00 0 2400 only 00 1 2400 only no 2734 01 0 2400 2800 01 1 2400 2800 3000 10 0 2400 2800 3000 3200 10 1 2400 2800 3000 3200 3429 Default Bit 3 Enable disable V 34 asymmetric rates 0 Disable asymmetric rates 1 Bits 4 7 Reserved Examples 8210 13 Enable asymmetric rates with all symbol rates available Default Enable asymmetric rates Default 5210 5 Disable asymmetric rates with all symbol rates
86. 81801 CX06833 CX81300 CX06827 Modems Reference Manual as the end of stream marker and is not transmitted data received from the DTE after the lt DLE gt lt ETX gt is ignored by the modem until the modem generates either the CONNECT OK or ERROR result code If no more data is in the transmit buffer and the last transmitted character was not an ASCII NULL the modem generates the OK result code and returns to the command mode If the last character transmitted was an ASCII NULL the modem generates the CONNECT message to the DTE and waits for further data from the DTE while transmitting NULLs to the remote If more data is received before five seconds elapse the modem continues to transmit the data as described in the previous paragraph If five seconds elapse and no data 18 received from the DTE the modem drops carrier goes on hook and generates the ERROR result code 4 1 9 Fax Data Reception Fax data reception is initiated using the AT FRM lt mod gt command After this command is issued the modem looks for carrier in the modulation scheme specified by the parameter n If no carrier is detected before the period of time specified by register S7 expires the modem generates the NO CARRIER message and returns to command mode If a V 21 carrier is detected when a high speed carrier 1s expected the modem generates the FCERROR message and returns to the command mode If the specified carrier is detected the modem generates the CO
87. 827 Modems Reference Manual Table 4 1 Fax Class 1 and Fax Class 1 0 Commands Command Parameter Function Applicable in Applicable in Fax Class 1 Fax Class 1 0 FCLASS lt class gt Select read or test service class FAA lt value gt Auto answer enable x FAE lt value gt Auto answer enable x x FTS lt time gt Stop transmission and pause x x FRS lt time gt Wait for silence x x FTM lt mod gt Transmit data with lt mod gt carrier FRM lt mod gt Receive data with lt mod gt carrier FTH lt mod gt Transmit HDLC data with lt mod gt carrier FRH lt mod gt Receive HDLC data with lt mod gt carrier x x FAR lt off on gt Adaptive reception control FCL lt time gt Carrier loss timeout FDD lt value gt Double escape character replacement control x FIT lt time gt action DTE inactivity timeout X FPR lt rate gt Fixed DTE Rate FMI Report manufacturer ID Report model FMR Report revision ID x FLO Flow Control amp K Local DTE modem flow control see Section 0 Answer see Section 0 D lt string gt Dial see Section 0 X X H Hangup see Section 0 X X X Applicable Not applicable 4 2 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 4 1 4 4 1 5 4 1 6 4 1 7 Fax
88. 9 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Table 4 4 Fax Class 1 Calling Sequence Transmitting a Single Page DTE Commands Modem Responses Local Modem Action Remote Station Action Notes AT FCLASS 1 OK Set Class 1 ATDT lt string gt Dial and send CNG Answer Look for V 21 send CED V 21 AT FRH 3 Detect flags Send HDLC flags implied by dialing with FCLASS 1 0 CONNECT lt NSF frame gt Send NSF frame lt DLE gt lt ETX gt OK 3 Detect flags CFI frame data get CSI send CSI frame lt DLE gt lt ETX gt get FCS OK accept FCS check FCS Frame status OK AT FRH 3 CONNECT Detect flags DTE must detect final lt DIS frame data gt get DIS send DIS frame frame bit to anticipate lt DLE gt lt ETX gt get FCS loss of carrier OK accept FCS check FCS AT FRH 3 NO CARRIER detect loss of carrier drop carrier AT FRH 3 send V 21 carrier detect carrier Final frame bit clear tells CONNECT send flags detect flags the modem to expect send TSI frame get TSI frame another frame lt TSI frame data gt send FCS Final frame bit set tells the lt DLE gt lt ETX gt CONNECT send flags modem not to expect send DCS frame get DCS frame another frame lt DCS frame data gt send FCS flags lt DLE gt lt ETX gt OK drop carrier AT FTS 8 wait 80 ms FTM 96 CONNECT send V 29 carrier detect carrier lt TCF data pattern gt
89. 920 ARES NOA sees RE ERR REUNIR MAN RE 821 V 24 General Bit Mapped Options Status sss 22 Speaker Results Bit Mapped Options Status 23 General Bit Mapped Options Status 924 Sleep Inactivity Timer tet cot cete e ine HR ree ete idet 25 Delay To DTR Off 26 RTS to CTS Delay 527 Bit Mapped Options Status sse nennen 528 Bit Mapped Options Status sse tnter 29 Flash Dial Modifier Time eseeseesseeneenenennreretntnnnnnnnetntn tnnt 30 Disconnect Inactivity Timer sese 31 Bit Mapped Options Status ccsssssssssesesssscsssssesssssssesscsssssssesesessessscssssesseseessseasssessessseeas 36 LAPM Failure tee erede et ed 38 Delay Before Forced Hang Up sse tenen 39 Flow Control Bit Mapped Options Status 40 General Bit Mapped Options Status 41 General Bit Mapped Options Status 46 Data Compression Control essent nennen S48 V 42 Negotiation Control ssssessesesseenennennnrr retener nennen 586 Call Failure Reason Code sss rennen nnn nnne nnne tn inneren nennt risen 91 PSTN Transmit Attenuation Level nennen 92 Fax Transmit Attenuation Level sss nnne 95 Extended Result Codes Control sese nennt 210 V 34 Symbol Rates Result Codes Fax l O PROCESS
90. B Conexant 3 105 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 3 2 5 Definitions SO Number of Rings to Auto Answer SO sets the number of the rings required before the modem automatically answers a call Setting this parameter to zero disables auto answer mode Range 0 255 rings Default 0 1 Ring Counter 51 is incremented each time the modem detects a ring signal on the telephone line 51 is cleared if no rings occur over an eight second interval Range 0 255 rings Default 0 52 Escape Character S2 holds the decimal value of the ASCII character used as the escape character The default value corresponds to an ASCII A value over 127 disables the escape process i e no escape character will be recognized Range 0 255 ASCII decimal Default 43 S3 Carriage Return Character 53 sets the command line and result code terminator character Pertains to asynchronous operation only Range 0 127 ASCII decimal Default 13 Carriage Return 54 Line Feed Character S4 sets the character recognized as a line feed Pertains to asynchronous operation only The Line Feed control character 18 output after the Carriage Return control character if verbose result codes are used Range 0 127 ASCII decimal Default 10 Line Feed 3 106 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual S5 Backs
91. Commands Command Naming Rules Both actions and parameters have names which are used in the related commands Names always begin with the character Following the from one to 16 additional characters appear in the command name These characters will be selected from the following set A through Z 5 4 1 through 5 10 0 through 9 1 5 3 0 through 3 9 5 2 1 1 5 2 5 5 2 13 5 2 14 1 5 2 15 1 5 3 10 IAS 5 15 The first character following the is an alphabetic character in the range of A through Z This first character generally implies the application in which a command is used e g F for Fax or V for voice The modem considers lower case characters to be the same as their upper case equivalents When subparameters are associated with the execution of an action or when setting a parameter the command may include specification of values This is indicated by the appearance of value in the descriptions below value consists of either a numeric constant or a string constant Numeric Constants Numeric constants are expressed in decimal hexadecimal or binary Decimal numeric constants consist of a sequence of one or more of the characters 0 through 9 inclusive Hexadecimal numeric constants consist of a sequence of one or more of the characters 0 through 9 inclusive and A through F inclusive The characters A through F represent the e
92. Default Bit 6 DSR behavior amp Sn 0 48 50 selected Default 1 48 51 selected Bit 7 Long space disconnect Yn 0 Y0 Default 1 522 Speaker Results Bit Mapped Options Status S22 indicates the status of command options Default 117 75h 01110101b Bits 0 1 Speaker volume Ln 0 Off L0 1 Low L1 Default Medium L2 High L3 Bits 2 3 Speaker control Mn Disabled MO Off on carrier M1 Default Always on M2 On during handshake M3 Bits 4 6 Limit result codes Xn XI 2 X3 4 Default Bit 7 Reserved 3 112 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 23 General Bit Mapped Options Status S23 indicates the status of command options Default 0 Bits 0 6 Not used Bits 6 7 Guard tone amp Gn 0 None amp G0 Default 1 None 48 01 2 1800 Hz amp G2 24 Sleep Inactivity Timer 524 sets the length of time in seconds that the modem will operate in normal mode with no detected telephone line or DTE line activity before entering low power sleep mode The timer is reset upon any DTE line or telephone line activity If the S24 value is zero neither DTE line nor telephone inactivity will cause the modem to enter the sleep mode Range 0 255 seconds Default 0 25 Delay To DTR Off S25 sets the length of time that the modem will ignore DTR for taking the action specified by
93. E speed reporting is enabled or the DTE speed is 1200 bps and DTE speed reporting is enabled 6 NO DIAL TONE For X2 and X4 the modem has been instructed to wait for dial tone during dialing but none is received When cellular phone interface is selected indicates that cellular service is not currently available 7 BUSY For X3 and X4 if busy tone detection is enforced the busy engaged signal is detected on the line when the modem is attempting to originate a call 8 NO ANSWER The modem is attempting to originate a call if a continuous ringback signal is detected on the line until the expiration of the timer S7 9 CONNECT 600 The modem has connected to the line the DTE speed is 600 bps and DTE speed reporting is enabled 10 CONNECT 2400 The modem has connected to the line and either the line speed is 2400 bps and DCE speed reporting is enabled or the DTE speed is 2400 bps and DTE speed reporting is enabled 11 CONNECT 4800 The modem has connected to the line and either the line speed is 4800 bps and DCE speed reporting is enabled or the DTE speed is 4800 bps and DTE speed reporting is enabled 12 CONNECT 9600 The modem has connected to the line and either the line speed is 9600 bps and DCE speed reporting is enabled or the DTE speed is 9600 bps and DTE speed reporting is enabled 13 CONNECT 7200 The modem has connected to the line at 7200 bps and DCE speed reporting is enabled 14 CONNECT 12000 The modem has connected to the line at 1200
94. F 11 0C 12 52 gt Receive level 31 dBm transmit level 12 dBm noise level 82 dBm DIAG lt 2A4D3263 14 03 15 05 16 10 gt Far end echo delay in milliseconds Far end echo loss in dB Near end echo loss 16 dB DIAG lt 2A4D3263 20 C 22 780 24 0C80 26 79E0 gt Transmitter V 34 training completed V 34 carrier frequency 1920 V 34 symbol rate 3200 initial transmit rate is 31200 bit s DIAG lt 2A4D3263 21 D 25 1F40 27 DACO gt Receiver V 90 training completed V 90 symbol rate 8000 initial receive rate is 56000 bit s DIAG lt 2A4D3263 30 00 31 03 32 01 33 01 gt No carrier loss events 3 carrier rate renegotiations attempted 1 carrier retrain requested 1 carrier retrain granted DIAG lt 2A4D3263 34 7080 35 CB20 gt Final transmit rate is 28800 bit s final receive rate is 52000 bit s DIAG lt 2A4D3263 40 1 41 100 gt LAPM negotiation completed frame size 256 DIAG lt 2A4D3263 42 0 43 0 gt No error control timeout or link NAKs DIAG lt 2A4D3263 44 1 45 400 gt V 42bis data compression used dictionary size 1024 DIAG lt 2A4D3263 50 2 51 2 gt Hardware transmit and receive flow control DIAG lt 2A4D3263 52 343CC 54 0 gt 213964 DTE characters transmitted w o underrun DIAG lt 2A4D3263 53 7230E6 55 47 gt 7483622 DTE characters received 71 characters lost due to receive data overrun DIAG lt 2A4D3263 56 29D 58 0001 gt 597 dec
95. ING sce t ee te edes ea e eae E e tt e a te vertes 4 1 1 DTE to Modem Transmit Data Stream ccccccccscscscsssesssesesesessscscsesesssesesssesssasesssacsesesesesesaseacacsescatseseseees 4 1 2 Modem to DTE Receive Data Stream ssssssssssssseseeeneneetn tenentem tenete nennt 4 1 8 56 25 5 eec e e eet cree ee ete o ees 4 1 4 Fax RE aaa 4 1 5 4 1 6 Fax 5 5 hide lav t et E eee ea 4 1 7 Fax Gontrol ReceptlOm c e t e e d e e eR ect 4 1 8 FaxoData Transml slOIm ee eee eec oce cob uet t 4 1 9 Fax Data RECEIO M as otto Eee on Dd ERR CommandS and Parameters rete e ee ie tc e ett ee e 4 2 1 Enti Commands s RR ERR IER EE FCLASS 1 Select Facsimile Class 1 Mode FCLASS 1 0 Select Facsimile Class 1 0 Mode ssec 4 2 2 Mode ee tette Pete tete eee te aes te et eremi 102184B Conexant vii AT Commands for 1801 06833 81300 06827 Modems Reference Manual FAA Auto Answer Enable rre deed e eter ec eise eer t eee Ee eere dence 4 6 FAE Auto Answer Enable 4 7 SEIS Transmit SIEM CO i icc cotto terea tra ode etc e nette teet i e FRS Receive Sil nce scscsssssssssesssssscsss
96. Initialize All Parameters VRX Start modem Receive Record VTS Voice Tone Send Send single frequency or DTMF VTX Start modem Transmit Playback VGR Voice Gain Receive Record Gain VGT Voice Gain Transmit Playback Volume VIT Voice Inactivity Timer DTE Modem VLS Analog Source Destination Selection VRA Ringback Goes Away Timer VRN Ringback Never Appeared Timer VSD Silence Detection QUIET amp SILENCE VSM Compression Method Selection VTD Beep Tone Duration Timer VDR Distinctive Ring VDT Control Tone Cadence Reporting VPR Select DTE modem Interface Rate Turn off autobaud Speakerphone VSP Speakerphone ON OFF VDX Speakerphone Duplex Mode VGM Microphone Gain VGS Speaker Gain 102184B Conexant 5 1 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 5 1 1 lt DLE gt Shielded Event Codes Sent to the DTE Table 5 2 lists the supported lt DLE gt shielded codes sent to the DTE in the expression lt DLE gt lt code gt The number in parenthesis in the second column corresponds to the T 50 equivalent Table 5 2 Supported lt DLE gt Shielded Codes Sent to the DTE Code T 50 Event Report Description Equivalent lt DLE gt 1 0 Two contiguous lt DLE gt lt DLE gt codes indicate a single lt DLE gt in the data stream lt SUB gt 1
97. Microphone Gain RR a 5 25 VGS Speaker Gain RE 5 26 102184B Conexant AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Tables Table 3 1 Upload Messages Table 3 2 Res lP Codes c ERR ERES RUNE EUR EORUM EE Table 3 3 Supported V 80 Commands 3 35 Table 3 4 MS Command Supported Rates cccccescsssssssssescssscecsessscsssescecsusesscsesescsceusuessscsesesceueseasasaceeeceeneaeasaseeess 3 57 Table 3 5 AT UD Last Call Status Report Format sess tnter nnne tens 3 07 Table 3 6 Call Setup Result Codis ienien nnn tits essa sans 3 88 Table 3 7 Multimedia MOSS dro ER RO oben dea di EE EN 3 88 Table 3 8 DTE DGE 0065 e ret ee Pere e RC ERE RH EU nares 3 88 Table 3 0 V 34 INEO DIE report e ERROR RERO 3 88 Table 3 10 gstnModulationSchemeActive from 3 7 2 V 58 sse nennen 3 89 Table 3 11 errorControl Active from 3 5 2 V 58 cccccesessssssssssssssescscstsesscssscscessussessscsesesseusseasacsesceceueseasasscsseesaueaeataseees 3 89 Table 3 12 compressionActive from 3 2 2 V 58 sse netten nnne tentes 3 89 Table 3 13 callCleared codes from 3 6 4 58 1994 3 90 Table 3 14 Completed Data Call with some errors and rate retrain during the call see 3 91 Table 3 15 S Paramete
98. NNECT message and enters the data receive mode While in data receive mode the modem receives data from the remote adds start and stop bits and handles lt DLE gt lt chr gt character pairs before passing the data to the DTE The modem prefixes each lt DLE gt character with another lt DLE gt character before sending it to the DTE If the modem detects a receive buffer overflow condition it stops receiving from the remote until there is room in the receive buffer The modem informs the DTE of the buffer overflow after it sends to the DTE the last character that was stored in the buffer before the overflow occurred If the modem receives any character from the DTE after the FRM command except flow control characters if software flow control is in effect or if the modem detects a high to low transition of the DTR signal while amp D1 is in effect it sends lt DLE gt lt ETX gt to the DTE generates the OK result code and returns to command mode The receive buffer is cleared and all data received from the remote is discarded If loss of DTR is detected while amp D2 is in effect the modem goes on hook sends lt DLE gt lt ETX gt followed by OK result code to the DTE and returns to command mode If the modem detects a DTR drop while amp D3 18 in effect the modem performs a warm reset 102184B Conexant 4 5 Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 4 2 4 2 1 4 2 2 Commands and Parame
99. Notes AT FCLASS 1 OK Set Class 1 RING lt detect ringing dials send CNG ATA off hook AT FRH 3 send CED get CED implied by answering with send V 21 carrier detect carrier FCLASS 1 0 CONNECT send flags detect flags not final frame CSI frame data send CSI frame receive CSI lt DLE gt lt ETX gt CONNECT send FCS get FCS send flags get flags lt DIS frame data gt send DIS data get DIS lt DLE gt lt ETX gt OK send FCS and flags get flags final frame drop carrier AT FRH 3 detect carrier send V 21 carrier CONNECT detect flags send flags lt TSI frame data gt receive TSI send TSI frame lt DLE gt lt ETX gt receive FCS send FCS OK accept FCS frame OK 3 receive DCS send DCS frame final frame bit set lt DCS frame data gt receive FCS send FCS lt DLE gt lt ETX gt accept FCS frame OK OK AT FRH 3 NO CARRIER detect loss of carrier drop carrier DTE did not check final frame bit and issued FRH 3 AT FTM 96 wait 75 ms CONNECT detect carrier send V 29 carrier lt TCF data gt receive TCF send TCF data lt DLE gt lt ETX gt detect loss of carrier drop carrier OK AT FRH 3 send V 21 carrier detect carrier CONNECT send flags detect flags get CRF frame receive CFR send FCS lt CFR frame data gt drop carrier lt DLE gt lt ETX gt OK final frame AT FTM 96 CONNECT detect carrier send V 29 carrier lt page image data gt receive page send page data lt DLE gt lt ETX gt detect loss of carrier drop
100. OK If connected in data modem mode NO CARRIER If not connected or connected in fax modem mode Note When the modem receives a break from the remote modem break is passed to the DTE as follows In non error correction mode direct the break length is passed in non error correction mode normal and in error correction mode a 300 ms break is passed 3 70 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual K Break Control Controls the response of the modem to a break received from the DTE or the remote modem or the B command The parameter value if valid is written to S40 bits 3 4 and By Syntax K lt value gt Defined Values lt value gt Decimal number corresponding to the selected option The response is different in three separate states The first state is where the modem receives a break from the DTE when the modem is operating in data transfer mode 0 Enter on line command mode no break sent to the remote modem 1 Clear data buffers and send break to remote modem Same as 0 Send break to remote modem immediately Same as 0 nA Send break to remote modem in sequence with transmitted data Default The second case is where the modem is in the on line command state waiting for AT commands during a data connection and the B is received in order to send a break to the remote modem 0 Clear data buffers and send break to remote modem
101. Origination Origination of fax calls is made using the ATD command Upon completion of the dial function a calling tone at 1100 Hz is transmitted with a cadence of 0 5 seconds on and 3 seconds off The modem automatically enters mode FRH 3 and sends the CONNECT message to the DTE when FSK flags are detected from the remote Fax Answering Answering of fax calls is identical to answering of data calls with the exception that the modem enters the fax handshaking mode instead of the data handshaking mode after going off hook If FAE 0 the modem after sending answer tone automatically enters fax mode FTH 3 sends the CONNECT message to the DTE and starts sending FSK flags If F AE 1 the modem determines whether the caller 15 a data modem fax modem and sends the DATA or FAX result code respectively to the DTE Fax Control Transmission Fax control transmission is initiated by the F TH lt mod gt command After this command is issued the modem generates the CONNECT message and transmits carrier in the modulation scheme specified by the parameter n The modem then transmits HDLC flags for a minimum of second The modem continues to transmit the HDLC flags until it receives a character from the DTE When characters are received from the DTE the modem adds start and end flags performs zero bit insertion generates FCS and deletes lt DLE gt lt chr gt character pairs before transmitting the characters to the remote fax machine
102. RAM is not installed or is not operational as detected by the NVRAM test during reset processing Result Code OK Example AT amp V ACTIVE PROFILE El L1 M1 amp R1 soo 507 510 538 548 5 B amp 1 50 5 5 5 B amp 1 50 5 5 amp 50 000 050 014 020 007 amp T5 501 508 511 S46 S95 1 L1 M1 850 095 amp T5 0 000 S02 12 36 007 840 1 L1 1 850 095 amp T5 0 000 502 512 36 007 540 NO QO T amp X0 000 S02 002 S09 095 512 138 000 TORED PROFILE 0 NO QO T amp X0 043 S06 050 S18 104 541 TORED PROFILE 1 NO QO T amp X0 043 S06 050 S18 168 541 NUMBERS NOH OK ELEPHONE 3 V1 WO 4 YO 043 503 013 006 050 S18 000 V1 WO X4 YO 002 507 050 000 195 S46 138 V1 WO X4 YO 002 507 050 000 195 S46 138 1 504 525 amp C1 508 595 amp C1 508 595 802 010 005 amp D2 002 000 amp D2 002 000 amp 60 505 526 amp 60 509 amp 60 509 8470 008 001 8470 006 8470 006 amp K3 506 536 amp K3 S10 amp K3 S10 amp Q5 002 007 amp Q5 014 amp Q5 014 102184B Conexant 3 45 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual amp V1 Display Last Connection Statistics Displays
103. RS 232 56K Ext Modem User Manual Content 1 TR a AEE 3 AME lom ede eee ee 4 3 STAMOS ee eee 5 3 2 1 Installation Procedures for Windows 64 bits XP Win7 Vista 6 3 2 2 Installation Procedures for Windows 32 bits XP Win7 Vista 10 A 5 3222 trn ni 11 4 1 Typing 11 4 2 11 4 3 S Register Definitions 13 1 Introduction The Voice Fax Data Modem connects your computer to Internet and all kinds of BBS and other popular Fax Modems This manual describes the features procedures of installations and AT command set etc of this modem Indicators POWER Power on indicator DATA DTR signal indicator OH Off Hook Rear Panel PHONE Phone jack LINE Telephone line jack RS 232 RS232 cable socket POWER AC adapter input ON OFF Power switch 2 Features Data ITU T V 92 lite ITU T V 90 ITU T V 34 V 32bis V 32 V 22bis V 22 Bell 103 amp 212A V 44 V 42bis amp MNP 5 Data compression V 42 amp MNP2 4 Error correction Fax V 17 14400bps FAX V 29 9600bps FAX V 27ter 4800bps FAX Class 1 Voice Voice Audio mode Full Duplex speakerphone optional Package Checklist One fax modem One piece of phone cable One piece
104. Request Conexant Identification This command causes the modem to report CONEXANT ACF identification The response cannot be modified using ConfigurACE Syntax GMI9 Response GMI9 CONEXANT ACF OK 102184B Conexant 3 7 AT Commands for 1801 06833 81300 06827 Modems Reference Manual GMM Request Model Identification This command causes the modem to report the modem product Syntax GMM Typical Response GMM V90 GMR Request Revision Identification This command causes the modem to report the modem version revision level or date This is the same as the I3 command Syntax GMR Typical Response GMR P2109 V90 OK GCAP Request Complete Capabilities List This extended format command causes the modem to transmit one or more lines of information text listing additional capabilities command lt name gt s which is intended to permit the user to identify the overall capabilities of the modem In particular if the modem implements a particular modem control standard that uses Extended Syntax Commands and if that modem control standard includes command s that indicate general capabilities the lt names gt s of those commands will be reported to the modem in response to a GCAP command Syntax GCAP Example Responses GCAP FCLASS MS ES DS for a data modem that supports all capabilities listed Where FCLASS T classl F Class 1 Facsimile modem Control
105. S 0 Local handset on hook Ring Starts to play greeting message User picks up extension DTE send abort to end playback DTE hangs up 3 54 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Automated system that needs to periodically use the line while giving the voice user the highest priority A common use for these features would be an automated system that needs to periodically use the line while giving the voice user the highest priority The automated system would make a connection when the line 15 free It would do this without disturbing the line if the line is in use The automated system would periodically retry the connection until the line is free Once the line is free it would dial and make its connection If a voice user wishes to use the line while the modem is connected The modem will drop the line and give the line to the user The modem will then try to regain control of the line by once again periodically retrying to establish a connection AT STE 7 OK ATDT5551212 CONNECT Sometime later the user picks up phone NO CARRIER ATS86 25 OK Delay 30 seconds ATDT5551212 LINE IN USE Try again some time later user hangs up the phone CONNECT TRV Tip 8 Ring Voltage This command allows the host to read the voltage that the modem sees across Tip amp Ring Syntax TRV Example Command AT TRV Response 1 4 Note The voltage m
106. T 1200 1 x x x x 6 NO DIAL TONE 3 3 x x x 7 BUSY 3 3 3 x x 8 NO ANSWER x x x 9 600 1 10 2400 1 11 4800 1 12 9600 1 13 7200 1 14 12000 1 15 14400 1 16 19200 1 17 38400 1 18 57600 1 19 115200 1 20 230400 22 CONNECT 75TX 1200RX 1 x x x x 23 CONNECT 1200TX 75RX 1 x x x x 24 DELAYED 4 4 4 4 x 25 MESSAGE WAITING 32 BLACKLISTED 4 4 4 4 x 33 FAX x x x x x 35 DATA x x x x x 39 MRR 75 X X X X X 40 MRR 300 42 MRR 600 X X X X X 44 MRR 1200 75 45 MRR 75 1200 x x x x 46 MRR 1200 47 MRR 2400 48 MRR 4800 49 MRR 7200 50 MRR 9600 51 MRR 12000 52 MRR 14400 53 MRR 16800 x Note 2 54 MRR 19200 x x x Note 2 55 MRR 21600 x Note 2 56 MRR 24000 x Note 2 57 MRR 26400 x x x x Note 2 58 MRR 28800 x Note 2 59 CONNECT 16800 1 x x x x Note 2 61 CONNECT 21600 1 x x x x Note 2 62 CONNECT 24000 1 x x x Note 2 102184B Conexant 3 21 AT Commands for 1801 06833 81300 06827 Modems Reference
107. X X power to detect hook condition 2 L DCE Local phone connected to the DCE X X 3 LT DCE off hook Local phone connected to the line DCE connected to X X the line 4 S Internal Speaker connected to the DCE DCE on hook Local phone X connected to the line 5 ST Internal Speaker connected to the line DCE off hook DCE connected X X to the line Local phone provided with power to detect hook condition 6 M Internal Microphone connected to the DCE DCE on hook Local phone X connected to the line 7 MST Internal Microphone and Internal Speaker connected to the line DCE off hook DCE connected to the line Local phone provided with power to detect hook condition 8 51 External Speaker connected to the DCE DCE on hook Local phone x connected to the line 9 S1T External Speaker connected to the line DCE off hook DCE connected to the line Local phone provided with power to detect hook condition 10 MS1T Internal microphone and External Speaker connected to the line DCE x off hook DCE connected to the line Local phone provided with power to detect hook condition 11 M1 External Microphone connected to the DCE DCE on hook Local x phone connected to the line 12 M1ST External Microphone and Internal Speaker connected to the line DCE off hook DCE connected to the line Local phone provided with power to detect hook condition 13 M1S1T External Microphone and External Speaker connected to the line DCE x off hook DCE
108. al detection callCleared codes from 3 6 4 V 58 1994 callCleared indicates that the DCE has gone on hook and that the previously existing network connection has been cleared These value are hex converted from decimal in V 58 callCleared codes are described in Table 3 13 3 86 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Table 3 5 AT UD Last Call Status Report Format 0 2 digits Diagnostic Command Specification revision number digit digit 1 Table 3 6 Call Setup Result code 2 Table 3 7 Multi media mode 3 Table 3 8 DTE DCE interface mode 4 String V 8 CM octet string same format V 250 in quotes 5 String V 8 JM octet string same format as V 250 in quotes 10 0 2F Received signal power level in dBm 0 43 11 0 1F Transmit signal power level in dBm e g 0 17 12 0 64 Estimated noise level in dBm e g 10 90 17 0 FFF Round Trip delay in units of ms 18 Table 3 9 V 34 INFO bit map 20 Table 3 10 Transmit Carrier Negotiation Result 21 Table 3 10 Receive Carrier Negotiation Result 22 0 1F40 Transmit Carrier symbol rate 0 8000 in symbol s 23 0 1F40 Receive Carrier symbol rate 0 8000 in symbol s 24 0 Transmit Carrier frequency 0 4000 in Hz 25 0 FAO Receive Carrier frequency 0 4000 in Hz 26 0 FA00 Initial transm
109. al interface Result Codes OK lt value gt 0 to 2 ERROR Otherwise 102184B Conexant 3 29 AT Commands for 1801 06833 81300 06827 Modems Reference Manual IPR Fixed DTE Rate This numeric extended format parameter specifies the data rate at which the modem will accept commands during online operation It may be used to select operation at rates at which the modem is not capable of automatically detecting the data rate being used by the DTE Specifying a value of 0 disables the function and allows operation only at rates automatically detectable by the modem The specified rate takes effect following the issuance of any result code s associated with the current command line The lt rate gt specified does not apply in OnLine Data State if Normal Mode Direct Mode of operation is selected Syntax IPR lt rate gt Defined Values lt rate gt Specifies the DTE modem interface operation rate in bits s The available rates are 0 300 1200 2400 4800 9600 19200 38400 57600 115200 or 230400 If unspecified or set to 0 automatic detection is selected and the character format is also forced to autodetect ICF 0 If the rate specified is not supported by the modem an ERROR result code will be returned Reporting Current or Selected Values Command IPR Response lt rate gt Example 1 IPR 0 For automatic rate detection Example 2 IPR 115200 For 115200 bps Reporting Support
110. amp Dn Its units are seconds for synchronous modes and one hundredths of a second for other modes Range 0 255 1 second for synchronous modes 1 0 01 second otherwise Default 5 26 RTS to CTS Delay 526 sets the time delay in hundredths of a second before the modem turns CTS ON after detecting an OFF to ON transition on RTS when amp RO is commanded Pertains to synchronous operation only Range 0 255 hundredths of a second Default 1 102184B Conexant 3 113 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 27 Bit Mapped Options Status S27 indicates the status of command options Default 73 49h 01001001b Bits 0 1 3 Synchronous asynchronous selection amp Mn amp Qn 31 0 00 0 amp MO0or amp QO 00 1 amp Mlor amp Ql 01 0 amp M2 or amp Q2 01 1 amp M3 or amp Q3 10 0 Reserved 10 amp Q5 Default 11 0 amp 06 Bit 2 Leased line control amp Ln 0 Dial up line amp L0 Default Bits 4 5 Internal clock select amp Xn 0 Internal clock amp 0 Default 1 External clock amp X1 2 Slave clock 8 2 Bit 6 CCITT Bell mode select Bn 0 CCITT mode B0 1 Bell mode B1 Default Bit 7 Reserved 28 Bit Mapped Options Status S28 indicates bit mapped options status Default 0 Bits 0 1 Reserved Bit 2 Reserved always 0 Bits3 4 Pulse dialing amp Pn 0 3996 6196 make break ratio at 10 pulses second 8 D
111. an the Extension Pickup voltage drop threshold Default Digital Line Protection current threshold 160 160 mA while modem is off hook Default Line Interruption Immunity 0 200 ms Default 1 200 ms 2 200 ms n where n gt 2 n 100 ms RESERVED 056 Default Reporting Current or Selected Value Command AT TTE Queries current setting Notes 1 Thresholds are difference thresholds Example The line would be considered in use if the Tip amp Ring voltage dropped by 10 00 V Another Example If the modem 18 off hook and the voltage drops by more than 2 50 V then the modem would consider the condition as an extension pickup 2 The Remote Hang up voltage drop threshold gt must always be less than the Extension Pickup voltage drop threshold Otherwise the extension pickup will not function 3 56 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 2 4 Modulation Control Commands MS Modulation Selection This extended format compound parameter controls the manner of operation of the modulation capabilities in the modem It accepts six subparameters Syntax MS lt carrier gt lt automode gt lt min_tx_rate gt lt max_tx_rate gt lt min_rx_rate gt lt max_rx_rate gt Where possible lt carrier gt min tx rate max tx min rx rate and max rx rate values are listed in Table 3 4 Table 3
112. and Result Codes OK 0 to 30 ERROR Otherwise E Compromise Equalizer Enable Command This command is included for compatibility only and has no effect other than returning a result code Syntax E lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 command 1 1 command Result Codes OK 0 or 1 ERROR Otherwise 3 94 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 3 2 11 Fast Connect Commands F Fast Connect Control This command allows configuring of the client modem to connect to a central site modem that supports non standard V 22 V 22 bis and V 29 fast connect protocols It is used in conjunction with S17 Syntax F lt n gt Defined Values lt n gt Decimal number which specifies the initial requested mode of operation when the modem is operating as the originator The options are Normal connection Default Fast connect without answer tone V 22 FastConnect Fast connect with answer tone V 29 FastPOS V 29 FastPOS with alternate sequence ON A WN 102184 3 05 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 2 12 V 92 P and Q Commands This section describes the PCM DCE and Q commands and parameters used to control the V 92 Mode operation PCW Call Waiting Enable This command controls the operation
113. and each telephone number dial string can contain up to 31 digits Requires 256 byte NVRAM installed Syntax amp Z lt value gt Defined Values lt value gt Decimal number from 0 to 3 corresponding to the selected telephone number lt string gt Dial string from 0 to 31 characters Result Codes OK For lt value gt lt 3 and lt string gt lt 31 digits ERROR If value gt 3 lt string gt gt 31 digits or if NVRAM is not installed or is not operational 907 Plug and Play Serial Number Sets and stores eight serial numbers in hex format used for serial Plug and Play and for ISA Plug and Play which use the Conexant 11596 Plug and Play device Applicable to Desktop configuration only Syntax 7 lt 8 hex numbers gt lt same 8 hex numbers gt Example 7 lt 8 hex numbers gt lt same 8 hex numbers gt Result Codes OK lt 8 hex numbers gt lt same 8 hex numbers gt ERROR Otherwise To display the stored serial number issue AT lt cr gt Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 908 Plug and Play Vendor ID and Product Number Sets and stores Vendor ID and product number for serial Plug and Play and for ISA Plug and Play which use the Conexant 11596 Plug and Play device Applicable to Desktop configuration only Syntax amp 8 lt 3 ASCII characters gt lt 4 hex numbers gt lt same 3 ASCII characters gt lt same 4 hex numbers gt l
114. and is followed by a right parenthesis If only a single value is supported it appears between the parentheses If more than one value is supported then the values may be listed individually separated by comma characters or when a continuous range of values is supported by the first value in the range followed by a hyphen character followed by the last value in the range The specification of single values and ranges of values may be intermixed within a single information text In all cases the supported values are indicated in ascending order For example the following are some examples of value range indications 0 Only the value 0 18 supported 1 2 3 The values 1 2 and 3 are supported 1 3 The values 1 through 3 are supported 0 4 5 6 9 11 12 The several listed values are supported 0 4 6 9 11 12 An alternative expression of the above list Compound Range of Values When the action accepts more than one subparameter or the parameter accepts more than one value the set of supported values is presented as a list of the parenthetically enclosed value range strings described above separated by commas For example the information text in response to testing an action that accepts three subparameters and supports various ranges for each of them could appear as follows 0 1 3 0 4 6 9 11 12 This indicates that the first subparameter accepts only the value 0 the second accepts any value from 1 through 3 i
115. ang up the line VLS 0 Examples User is talking on an extension and the modem tries to dial AT STE 7 ATDT555 1212 LINE IN USE 3 52 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual The line is not in use and the modem tries to dial AT STE 7 ATDT555 1212 Modem goes off hook CONNECT An extension is off hook but there is silence on the line and the modem tries to dial 5 3 ATDT555 1212 Modem goes off hook NO LINE Modem is connected in data mode and an extension goes off hook AT STE 2 ATDT555 1212 CONNECT OFF HOOK INTRUSION Extension is picked up GSTN Cleardown sent ATS86 025 Modem is connected in data mode and remote modem goes on hook AT STE 4 ATDT555 1212 CONNECT OFF HOOK INTRUSION Remote modem drops line ATS86 025 102184B Conexant AT Commands for 1801 06833 81300 06827 Modems Reference Manual Modem is connected in data mode and the LOCAL HANDSET goes off hook AT STE 7 ATDTS555 1212 CONNECT LINE REVERSAL DETECTED ATS86 025 5 sec delay Local handset goes off hook GSTN Cleardown sent and remote modem goes on hook 500 ms after no carrier a dial tone 18 heard on the local handset Modem is in answer machine mode and an extension goes off hook AT STE 2 AT FCLASS 8 OK lt DLE gt h lt DLE gt R AT VLS 1 OK AT VSM 1 7200 0 0 AT VTX lt DLE gt P DLE AT VL
116. arrier as qualified without waiting for the FCL timer to expire Write Syntax FCL lt time gt Defined Values lt value gt Decimal number representing the loss of carrier delay time in units of 100 ms The range is 0 255 Reporting Current or Selected Values Command FCL Response FCL lt time gt Example FCS 0 For the default setting Reporting Supported Range of Parameter Values Command FCL Response FCL lt time gt range Example FCL 0 255 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual FDD Double Escape Character Replacement This parameter conditions the use of the DLE SUB to encode consecutive lt 1 0 gt L1 lt 1 0 gt in data This may be used to prevent unbound expansion of data that contains many lt 1 0 gt patterns Syntax FDD lt value gt Defined Values lt value gt Decimal number corresponding to the selected option For modem decode of lt DLE gt lt SUB gt the defined range are 0 DLE lt DLE gt or discard default and only 1 lt DLE gt lt DLE gt not supported For modem encoding of 1 07 lt 1 0 gt the defined values are 0 lt DLE gt lt DLE gt lt DLE gt lt DLE gt default and only 1 lt DLE gt lt SUB gt not supported Reporting Current or Selected Values Command FDD Response FDD lt value gt Example FDD 0 For the default setting Repor
117. atis tasa innata Data Compression Commands sess tete tenente tenerte nnt tens DS Data Compression etri ient entere fe Deb ee He obe EE Pn ie EE e eee 0544 V 44 Compression Select essent nnns 102184B Conexant AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual DR Data Compression Reporting tnter nnns C Enable Disable Data Compression nnns 3 2 7 V 8 V 8bis COMMANGS x co eto te e te i led as n e ERR RR ER ng AGE V 8 and V 8bis Operation Controls A8I CI Signal Indication 3 2 8 Synchronous Access Mode Commands ESA Configure Synchronous Access Submode 3 80 3 6 0158 0 6 RPI e ret e eere ee Eds 3 82 ITF Transmit Flow Control Thresholds essent 3 83 3 2 9 Diagnostic Commands 2 2 UD Last Call Status Report PTT Test Command c ccscscsessssssesescsssssscsssescssscssescsesesessecevessaesssesceceusaeacacscececeueeeaeasacecsseneesaeaees 3 2 00 Compatibility COMMANGS reete teneret tfe cte n Re reni ete Pa cene amp L Leased Line Operation ccscsssssssessssssssssssesssessssssssssssssesssscsssssssesessssescsssssesesscseseassessseseessaseees M Enable Cellular Power Level Adjustment ssssssssseneenenenntens 3 93 Initia
118. atus gt lt rest of command gt lt 62h gt lt 106o0ff gt lt 62h gt Circuit 106 is OFF 10 lt 63h gt Circuit 106 is ON lt 125o0ff gt lt 6Ah gt Circuit 125 is OFF lt 1250n gt lt 6Bh gt Circuit 125 is ON lt singleEMp gt lt 76h gt The DCE encodes this as one 99h in user data lt doubleEMp gt lt 77h gt The DCE encodes this as lt 99h gt lt 99h gt in user data lt singleEM gt lt 7Ch gt The DCE encodes this as on lt 19h gt in user data lt doubleEM gt lt 7Dh gt The DCE encodes this as lt 19h gt lt 19h gt in user data 102184B Conexant 3 35 AT Commands for 1801 06833 81300 06827 Modems Reference Manual In band processing of AT commands When in band control sequences are enabled the modem responds to EM shielded AT commands via the extend 0 CONTROL sequence This command may be used to transmit any AT commands to the modem as follows EM lt extend 0 gt length CONTROL Command without AT and trailing carriage return gt Upon receipt of an in band command the modem responds with the extend 0 STATUS REPORT sequence This sequence will contain the response to the AT command issued via the CONTROL sequence with the trailing omitted EM lt extend 0 gt length STATUS Command response without trailing LF gt Example Send VRID 2 command to the modem and respond with terse caller ID EM 60h 27h 42h
119. available 5210 8 Enable asymmetric rates with only 2400 baud available 5210 11 Enable asymmetric rates with 2400 to 3000 baud available 102184B Conexant 3 121 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 4 Result Codes The modem responds to commands from the DTE and to activity on the line by signaling to the DTE in the form of result codes The result codes that the modem can send are described in Table 3 16 Two forms of each result code are available long form an English like verbose response and short form a data like numeric response included in parentheses following the long form The long form code is preceded and terminated by the sequence lt CR lt LF gt The short form is terminated by lt CR only with no preceding sequence If result messages are suppressed nothing is returned to the DTE The long form results codes can be modified by the OEM through the INF file 3 122 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Table 3 16 Result Code Definitions Code Message Meaning F4 FCERROR High speed fax data V 27 V 29 V 33 or V 17 is expected but a V 21 signal is received 0 OK A command line has been executed 1 CONNECT For X command values specifying no speed reporting the modem has connected to the line and
120. be set for Japan United Kingdom or the United States 102184B Conexant 3 9 AT Commands for 1801 06833 81300 06827 Modems Reference Manual amp F Restore Factory Configuration Profile The modem loads the factory default configuration profile The factory defaults are identified for each command and in the S Parameter descriptions A configuration profile consists of a subset of S Parameters Syntax amp F lt value gt Defined Values lt value gt Decimal number corresponding to the selected configuration 0 Restore factory configuration 0 1 Restore factory configuration 1 Result Codes OK ERROR If the modem is connected amp T Local Analog Loopback Test The modem will perform the local analog loopback test if amp T1 is selected The test can be run only when in an asynchronous operation in non error correction mode normal e g AT amp Q6 To terminate the test in progress the escape sequence must be entered first see Section 3 1 1 Syntax amp T lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Terminates test in progress Clears 516 1 Initiates local analog loopback V 54 Loop 3 Sets 516 bit 0 If a connection exists when this command is issued the modem hangs up The CONNECT XXXX message is displayed upon the start of the test Conexant 102184B AT Commands for 1801 06833 81300 06827 Mod
121. bled See S95 and Xn 162 MRR 56000 The modem has connected to the line at 56000 bps and carrier reporting is enabled See S95 and Xn 165 CONNECT 32000 The modem has connected to the line at 32000 bps and DCE speed reporting is enabled 166 CONNECT 34000 The modem has connected to the line at 34000 bps and DCE speed reporting is enabled 102184B Conexant 3 125 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Code Message Meaning 167 CONNECT 36000 The modem has connected to the line at 36000 bps and DCE speed reporting is enabled 168 CONNECT 38000 The modem has connected to the line at 38000 bps and DCE speed reporting is enabled 169 CONNECT 40000 The modem has connected to the line at 40000 bps and DCE speed reporting is enabled 170 CONNECT 42000 The modem has connected to the line at 42000 bps and DCE speed reporting is enabled 171 CONNECT 44000 The modem has connected to the line at 44000 bps and DCE speed reporting is enabled 172 CONNECT 46000 The modem has connected to the line at 46000 bps and DCE speed reporting is enabled 173 CONNECT 48000 The modem has connected to the line at 48000 bps and DCE speed reporting is enabled 174 CONNECT 50000 The modem has connected to the line at 50000 bps and DCE speed reporting is enabled 175 CONNECT 52000 The modem has
122. ce Uploading an NVRAM patch to the NVRAM device is a two step process 1 When the AT command is issued the modem firmware boot loader is invoked and the user will first load the NVRAM loader into the modem s RAM The data transfer 18 done via an ASCII transfer The NVRAM loader contains the programming algorithm for the NVRAM device being programmed 2 The user will then load the patch which the loader will then program into the NVRAM device This transfer 15 done via ASCII transfer 102184B Conexant 3 15 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Procedure 1 Put loader e g NVM02 16 S37 and the patch file e g PatchB3 05 00 NVM S37 in an appropriate directory on the computer s hard disk Configure the communications application program for a DTE rate of between 9600 bps and 115200 bps and RTS CTS flow control Check the modem for response by typing AT Initiate the download process using the AT command The Download flash code message appears upon issuing the AT command Perform an ASCII transfer of the loader file e g NVM02 16 837 from the host computer to the modem RAM using an industry standard communications software or an equivalent process ensure that all ASCII translation or pacing is turned off After the NVRAM loader has been loaded perform an AASCI transfer of the patch file
123. ce Manual Table 3 10 gstnModulationSchemeActive from 3 7 2 V 58 V 17 G3 Fax call V 21 V 22 V 22bis V 23 Constant Carrier 1200 75 V 27ter G3 Fax call V 29 HD G3 Fax call V 32 V 32bis V 34 V 90 and V 92 Bell 212A Bell 103 0 2 1 R a Table 3 11 errorControl Active from 3 5 2 V 58 0 Disable none 1 V 42 LAPM 2 V 42 Alternative protocol MNP 80 MNP10 Table 3 12 compressionActive from 3 2 2 V 58 0 None 1 V 42bis and V 44 80 MNP5 102184B Conexant AT Commands for 1801 06833 81300 06827 Modems Reference Manual Table 3 13 callCleared codes from 3 6 4 V 58 1994 Value Desrpiom 0 0 CauseUnidentified Call setup issues 1 No Previous call Not in V 58 2 Call is still in progress Not in V 58 3 Call Waiting signal detected Not in V 58 only if modem can detect it 4 Delayed Same as value 2A CallAttemptsLimitExceeded 19 InactivityTimerExpired 1F cct108isOfflnhibitsDial DTR low 20 cct108turnedOff DTR drop 29 BlacklistedNumber 2A CallAttemptsLimitExceeded Same as Delayed see ETS 300 001 2B ExtensionPhoneOff hook If extension detection supported 2C CallSetupFailTimerExpired e g S7 timeout 2D IncomingCallDetecte
124. chronous Access Mode in the client or central site modem see 0 ESA Configures the operation of the Synchronous Access Submode ITF Selects Transmit Flow Control Thresholds Enabling Synchronous Access Mode enables the use of the 8 bit command characters defined in Table 9 V 80 of the Draft ITU T Recommendation V 80 DATA COMMUNICATION OVER THE TELEPHONE NETWORK In Band DCE Control and Synchronous Data Modes for Asynchronous DTE ESA Configure Synchronous Access Submode The operation of the Synchronous Access sub Mode is configured by the ESA parameter This extended format compound parameter is used to control the manner of operation of the Synchronous Access Mode in the modem It accepts six numeric subparameters Syntax ESA lt trans_idle gt lt framed_idle gt lt framed_un_ov gt lt hd_auto gt lt crc_type gt lt nrzi_en gt lt syn1 gt lt syn2 gt J III Defined Values lt trans_idle gt Specifies the bit sequence transmitted by the modem when a transmit data buffer underrun condition occurs while operating in Transparent sub Mode The options are 0 In Transparent sub Mode modem transmits 8 bit SYN sequence on idle Modem receiver does not hunt for synchronization sequence default and fixed lt framed_idle gt Specifies the bit sequence transmitted by the modem when a transmit data buffer underrun condition occurs immediately after a flag while operating in Framed sub Mode The options are 0 In Framed sub Mo
125. cified in V 42 Reporting Current or Selected Values Command EFCS Response EFCS lt value gt Example 4 0 For default setting Reporting Supported Range of Parameter Values Command EFCS Response EFCS lt value gt range Example EFCS 0 3 66 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual ER Error Control Reporting This extended format numeric parameter controls whether or not the extended format ER intermediate result code is transmitted from the modem to the DTE S95 bit 3 is reset to 0 for ER 0 and is set to a 1 for ER 1 The more recent setting of ER or 595 bit 3 and the W command setting determines the actual error control result code reporting see S95 Parameter and W Command ER lt value gt Syntax ER lt value gt Defined Values lt value gt A decimal number corresponding to the selected error control option 0 Error control reporting disabled ER intermediate result code transmitted Default 1 Error control reporting enabled ER intermediate result code transmitted Reporting Current or Selected Values Command ER Response ER lt current value gt Example 0 for the default setting Reporting Supported Range of Parameter Values Command ER Response ER lt value gt range Example 0 1 102184B Conexant 3 67 AT Commands fo
126. connected to the line at 52000 bps and DCE speed reporting is enabled 176 CONNECT 54000 The modem has connected to the line at 54000 bps and DCE speed reporting is enabled 177 CONNECT 56000 The modem has connected to the line at 56000 bps and DCE speed reporting is enabled 178 CONNECT 230400 The modem has connected to the line the DTE speed is 230400 bps and DTE speed reporting is enabled 180 CONNECT 28000 The modem has connected to the line at 28000 bps and DCE SPEED reporting is enabled 181 CONNECT 29333 The modem has connected to the line at 29333 bps and DCE SPEED reporting is enabled 182 CONNECT 30667 The modem has connected to the line at 30667 bps and DCE SPEED reporting is enabled 183 CONNECT 33333 The modem has connected to the line at 33333 bps and DCE SPEED reporting is enabled 184 CONNECT 34667 The modem has connected to the line at 34667 bps and DCE SPEED reporting is enabled 185 CONNECT 37333 The modem has connected to the line at 37333 bps and DCE SPEED reporting is enabled 186 CONNECT 38667 The modem has connected to the line at 38667 bps and DCE SPEED reporting is enabled 187 CONNECT 41333 The modem has connected to the line at 41333 bps and DCE SPEED reporting is enabled 188 CONNECT 42667 The modem has connected to the line at 42667 bps and DCE SPEED reporting is enabled 189 CONNECT 45333 The modem has connected to the line at 45333 bps and DCE SPEED reporting is enabled 190 CONNECT 46667 The modem has connected
127. corresponding to the selected option 0 Disables guard tone Default 1 Disables guard tone 2 Selects 1800 Hz guard tone This command may not be permitted in some countries Result Codes OK lt value gt 0 to 2 ERROR Otherwise amp P Select Pulse Dial Make Break Ratio This command determines the make break ratio used during pulse dialing It is only effective if the appropriate bit to enable this command is set through the ConfigurACE program If enabled it will override the make break ratios in the OEM parameters in ConfigurACE The default is country dependent The parameter value if valid is written to S28 bits 3 and 4 Syntax amp P lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Selects 39 61 make break ratio at 10 pulses per second Default 1 Selects 33 67 make break ratio at 10 pulses per second 2 Selects 39 61 make break ratio at 20 pulses per second 3 Selects 33 67 make break ratio at 20 pulses per second Result Codes OK lt value gt 0 to 3 ERROR Otherwise 3 44 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual amp V Display Current Configuration and Stored Profiles This command reports the current active configuration the stored user profiles and the first four stored telephone numbers The stored profiles and telephone numbers are not displayed if the NV
128. ctions as if a carrier is always present The actual interval the modem waits before disconnecting is the value in register S10 minus the value in register S9 Therefore the S10 value must be greater than the S9 value or else the modem disconnects before it recognizes the carrier Range 1 255 tenths of a second Default 14 1 4 seconds Note For Call Waiting detection if the modem is set to US country code and S10 gt 16 then the modem will detect the Call Waiting tone and hang up the line If S10 lt 16 the modem will not detect Call Waiting tone 511 DTMF Tone Duration S11 operation is country dependent 1 For US models S11 sets the duration of tones in DTMF dialing has no effect on pulse dialing 2 For W class models S11 is a country parameter loaded by ConfigurACE Range 50 255 milliseconds Default 95 95 milliseconds 3 108 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 12 Escape Prompt Delay EPD S12 defines the maximum period in fiftieths of a second allowed between receipt of the last character of the three escape character sequence from the DTE and sending of the OK result code to the DTE If any characters are detected during this time the OK will not be sent Sending of the OK result code does not affect entry into command mode See 3 1 3 Range 0 255 1 50 of a second Default 50 1 second 14 General Bit Mapped Options Status
129. d IBC Response IBC 0 2 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 3 34 Conexant 102184B Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Entering and Exiting In Band Active State In Band Command mode will be active only when a modem connection has been made and DCD is on and the modem is not in command mode Upon a data connection before the connect message is sent an In Band message will be sent to the DTE to notify that all further data will be EM shielded and should be filtered Any other time i e command mode or idle mode the DTE should allow all user data to be in pass through mode in which the data is unfiltered The DTE will receive one of the following active messages EM lt 60h gt lt 26h gt lt 62h gt IBC 1 to indicate In Band is active and the server is V 92 EM lt 60h gt lt 26h gt lt 62h gt IBC 2 to indicate In Band is active and the server is non V 92 Upon Hang up or escape to command mode the In Band command mode will end and the DTE should stop filtering EM data and return to pass through mode The DTE will receive the following inactive In Band message EM lt 60h gt lt 26h gt lt 62h gt IBC 0 to indicate In Band is inactive EM Shielding Data When in band control sequences are enabled the DTE and the modem must shield and filter data containing EM In V 80 in band data is shielded from normal data by an EM character represented by a lt 19h gt or lt 99h gt If th
130. d lt off gt values list of supported lt on gt values list of supported lt report_period gt values Example ITF ITF 0 255 0 255 0 The maximum reported lt off gt value is the input transmit data buffer level at which the modem signals a transmit data overrun indication to the DTE 3 2 9 Diagnostic Commands UD Last Call Status Report UD is an action command requesting reporting of logged operation events It does not take parameters and must be the last command in the command line The modem logs aspects of their operation for each call and saves these results until cleared by one of the following events 1 Power off 2 Hard reset e g negate DTR with amp D3 set reset button 3 Soft reset ATZ or AT amp F 4 ATD command issued 5 ATA command issued 6 Automatic answer e g set register S070 and ring detected These results NOT cleared by changing DTR V 24 circuit 108 2 18 00 amp D1 amp D2 3 84 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Data Call State Model For purposes of this command there are four data call states and associated status issues e Call Setup A Calling DCE get dial tone generate dial digits detect call progress signals Answering DCE detect ringing detect CallerID etc e Negotiation V5 calling tone answer tone exchanges V 8 or V 8bis call function negotiations Veser
131. d If incoming call while sending dial command 2bE LoopCurrentInterrupted 2F NoDial tone 31 ReorderTone Fast busy 33 EngagedTone Busy 34 LongSpaceDisconnect And if modem program to abort on long space 3C CarrierLost Signal Converter 3D TrainingFailed 3E NoModulationincommon 3F RetrainFailed 40 RetrainAttemptCountExceeded 41 GstnCleardownReceived 42 FaxDetected If this was not a fax call attempt 46 InTestMode Test 50 AnyKeyAbort Call Control 51 DteHangupCommand If ATH was used to terminate the previous call 52 DteResetCommand If ATZ was used to terminate the previous call 5A FrameReject Error Control 5B NoErrorControlEstablished Error control was required 5C ProtocolViolation 5D n400exceeded LAPM retransmission Count Timer 5E NegotiationFailed 5F DisconnectFrameReceived 60 SabmeFrameReceived 64 LossOfSynchronization Data Compression Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Example Modem Response and Usage Example UD commend response are shown in Table 3 14 Table 3 14 Completed Data Call with some errors and rate retrain during the call Modem Response ine DIAG 2A4D3263 0209 This is version 0 9 DIAG lt 2A4D3263 1 206 2 0 3 0 Data Answer signal detected Data only Character async DIAG lt 2A4D3263 5 7 14513902 6 A145 gt V 8 Call Menu indicates V 8 Joint Menu selects DIAG lt 2A4D3263 10 1
132. d an OFF HOOK INTRUSION message to the DTE immediately after sending the GSTN Cleardown A result code of 25 will be left in the S86 register Because the extension is off hook the modem cannot flash the hook for the central office to generate a dial tone In this case the user must flash the extension handset to obtain a dial tone Remote Hang up enabled by AT STE 4 AT STE 5 AT STE 6 or AT STE 7 Case 1 Modem off hook Remote Hang up If the modem is connected off hook and the remote modem server goes hangs up the central office may issue a line polarity reversal If a line polarity reversal is detected the modem will drop the call and respond with NO LINE REVERSAL DETECTED The reason for hang up can be determined by UD or by 886 25 A line reversal can also be simulated by simply pulling out the telephone line during a connection Operation in Voice Mode Line In Use enabled by AT STE 1 AT STE 3 AT STE 5 5 gt 7 This feature does not apply in voice mode Extension Pickup Enabled by AT STE 2 AT STE 3 AT STE 6 or AT STE 7 If the modem is off hook and an extension goes off hook the modem issues a lt DLE gt P to the DTE The application software should then hang up the line VLS 0 Remote Hang up Enabled by AT STE 4 AT STE 5 AT STE 6 or AT STE 7 If the modem is off hook and the remote user goes on hook the modem issues a lt DLE gt P to the DTE The application software should then h
133. de modem transmits HDLC flags on idle default and fixed lt framed_un_ov gt Specifies the actions undertaken by the modem when a transmit data buffer underrun or overrun condition occurs immediately after a non flag octet while operating in Framed sub Mode 0 In Framed sub Mode modem transmits abort on underrun in middle of frame default 1 In Framed sub Mode DCE transmits a flag on underrun in middle of frame and notifies DTE of underrun or overrun 3 80 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual hd Specifies whether or not in V 34 half duplex operation additional procedures besides those specified in 6 12 V 34 shall be performed by the modem when switching from primary channel to secondary channel operation and vice versa This subparameter should not be commanded crc type Specifies the CRC polynomial used while operating in Framed sub Mode The options are 0 CRC generation and checking disabled default 1 In Framed sub Mode the 16 bit CRC is generated by the modem in the transmit direction and checked by the modem in the receive direction lt nrzi_en gt Specifies if Non Return to Zero Inverted NRZI encoding is to be used by the modem for transmit and receive data The options are 0 NZRI encoding and decoding disabled default and fixed lt 1 gt lt syn2 gt Specifies the octet value s to be used while performing character or
134. devices Scan for hardware changes b 9 Universal Serial B Properties Launches the Update Driver Software Wizard for the selected device j Update Driver Software Analog Modem How do you want to search for driver software gt Search automatically for updated driver software Windows will search your computer and the Internet for the latest driver software for your device unless you ve disabled this feature in your device installation settings gt Browse my computer for driver software Locate and install driver software manually 4 Click Browse and open the driver files e g F Driver Win7_64 Browse for driver software on your computer Search for driver software in this location FADriverWIN7 64 7 Include subfolders gt Let me pick from a list of device drivers on my computer This list will show installed driver software compatible with the device and all driver software in the same category as the device Windows can t verify the publisher of this driver software Don t install this driver software You should check your manufacturer s website for updated driver software for your device gt Install this driver software anyway Only install driver software obtained from your manufacturer s website or disc Unsigned software from other sources may harm your computer or steal information See details 6 Click Clos
135. download then the modem will do a cold start The flash load module FLM has several built in safety mechanisms to reduce the risk of a failed flash upload download The FLM will not allow a user to upload a firmware of different model serial parallel etc or crystal speed than what is currently in the flash memory Also it will not allow the user to upload a firmware that is larger in size than the flash memory itself e g a 2Mbit firmware onto a 1Mbit flash memory It will however allow the user to upload a firmware that is smaller in size than the flash memory and it will program the firmware with the appropriate offset in order for the firmware to function properly In the instance that there 15 a failure during the download or upload process the modem will be in a flash rescue mode In this mode the modem will respond to all AT commands but will only take action on the AT command so a new attempt to upload or download can be initiated When the modem is in the flash rescue mode it will only be able to respond to AT commands if the DTE rate has not been changed since the last AT command was successfully issued even if the modem is powered off and on Uploading NVRAM patch The NVRAM loader allows NVRAM connected to the modem serial EEPROM bus to be upgraded with custom patch code This process transfers the modem patch code from the host computer to the modem which transfers the data to the NVRAM devi
136. driver CD into the CD ROM Open Device Manager of Windows Click and run Scan for hardware changes View Help 9 11 mt user PC Scan for hardware changes gt Computer gt Disk drives gt MY Display adapters gt S DVD CD ROM drives gt Floppy disk drives gt eld Floppy drive controllers 0 Human Interface Devices gt IDE ATA ATAPI controllers b lt gt Keyboards P Mice and other pointing devices gt Monitors gt Network adapters j Other devices Analog Modem Portable Devices gt P Ports COM amp LPT b D Processors gt 4 Sound video and game controllers b gli System devices Universal Serial Bus controllers 2 The Device Manager will show a unknown device such as Analog Modem Move your mouse on this unknown device and click right key of mouse and select Update Driver Software File Action View Help l 5119112 oe user PC gt 4l Computer b cs Disk drives gt MM Display adapters b 4 DVD CD ROM drives gt 5 Floppy disk drives gt ell Floppy drive controllers b i Human Interface Devices b Gq IDE ATA ATAPI controllers gt lt 2 Keyboards p A Mice and other pointing devices b WE Monitors gt Network adapters Other devices jg Analog Portable Update Driver Software gt Ports COM amp LP Disable gt 8 Processors Uninstall gt Sound video and b gM System
137. e 98 For V 17 9600 bps Reporting Supported Range of Parameter Values Command FTM Response FTM lt mod gt range Example 3 24 48 72 73 74 96 97 98 121 122 145 146 FRM Receive Facsimile This command causes the modem to enter the receiver mode using the modulation defined below Syntax FRM lt mod gt Defined Values lt mod gt Decimal number corresponding to the selected modulation mode and data rates shown in Table 4 2 Reporting Current or Selected Values Command FRM Response FRM lt mod gt Example 98 For V 17 9600 bps Reporting Supported Range of Parameter Values Command FRM Response FRM lt mod gt range Example 3 24 48 72 73 74 96 97 98 121 122 145 146 Result Codes CONNECT Reported when the selected carrier 18 detected FCERROR Reported if another carrier is detected and FAR 0 the modem then returns to the command state NO CARRIER Reported if loss of carrier is detected OK Reported if the DTE sends any character to the modem other than XON or XOFF while operating in configured flow control from the DTE the modem then returns to the command state Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual FTH Transmit Data with HDLC Framing This command causes the modem to transmit data using HDLC protocol and the modulation defined below Syntax FTH lt mod
138. e Example FIT 0 255 0 1 Table 4 3 Inactivity Timer Start and Stop Events On line state Start timer event Stop timer event Waiting for a command modem sends final result code DTE sends AT or at Waiting for transmit data modem sends CONNECT after DTE sends data FTM or FTH command Waiting for transmit data modem sends or sets CTS DTE sends data Waiting to deliver modem sends lt XOFF gt after or DTE sends received data FRH command Waiting to deliver DTE sets V 24 Ckt 133 OFF after DTE sets V 24 Ckt 133 received data FRM or command ON Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual FPR Fixed DTE Rate This numeric extended format parameter specifies the data rate at which the modem will accept commands during on line operation It may be used to select operation at rates at which the modem is not capable of automatically detecting the data rate being used by the DTE Specifying a value of 0 disables the function and allows operation only at rates automatically detectable by the modem The specified rate takes effect following the issuance of any result code s associated with the current command line The lt rate gt specified does not apply in OnLine Data State if Normal Mode Direct Mode of operation is selected Syntax FPR lt rate code gt Defined Values l
139. e OK ERROR If not in Voice Mode VRX Start Modem Receive Record This command causes the modem to start the voice reception process Syntax VRX Result Codes OK ERROR If not in Voice Mode 102184B Conexant 5 5 AT Commands for 1801 06833 81300 06827 Modems Reference Manual VTR Start Voice Transmission and Reception Voice Duplex This command causes the modem to start the voice transmission and reception process Voice Duplex without either acoustic echo cancellation or line echo cancellation The modem begins the Voice Duplex State by returning the CONNECT result code to the DTE The modem then sends lt DLE gt shielded voice data to the DTE and the DTE can send lt DLE gt shielded voice data to the modem The modem will accept data from the DTE and send data to the DTE in the format previously selected by the VSM command and use the flow control method selected by the IFC command The modem signals termination of the voice data stream by appending a lt DLE gt lt ETX gt command and padding out to an octet boundary if needed The modem will issue the lt DLE gt lt ETX gt character pair thereby ending the modem to DTE voice data flow followed by the OK result code and return to the command mode after the modem has completely transmitted the contents of its buffer There are two methods to leave the Voice Duplex State the DTE sending a lt DLE gt lt gt shielded code or the inactiv
140. e or if a value is specified that is not within the supported range Action Test Command Syntax The DTE may test if an action command is implemented in the modem by using the syntax lt name gt If the modem does not recognize the indicated name it returns an ERROR result code and terminates processing of the command line If the modem does recognize the action name it returns an OK result code If the named action accepts one or more subparameters the modem sends an information text response to the DTE prior to the OK result code specifying the values supported by the modem for each such subparameter and possibly additional information The format of this information text is defined for each action command Parameter Commands Parameter Types Parameters may be defined as read only or read write Read only parameters are used to provide status or identifying information to the DTE but cannot be set by the DTE attempting to set their value is an error In some cases specified in the description of the individual parameter the modem may ignore attempts to set the value of such parameters rather than respond with an ERROR result code if the continued correct operation of the interface between the modem and DTE will not be affected by such action Read only parameters may be read and tested Read write parameters may be set by the DTE to store a value or values for later use Read write parameters may be set read a
141. e DTE s data contains an EM an additional character is inserted For example sending lt 19h gt from the DTE to the modem requires inserting a lt singleEM gt or lt 5Ch gt into the data stream e g lt 19h gt lt 5Ch gt The modem encodes this as one lt 19h gt in the user data On the other hand sending lt 19h gt from the modem to the DTE requires inserting a lt singleEM gt or lt 7Ch gt See Table 3 3 Please refer to the V 80 standard for more information Table 3 3 Supported V 80 Commands Command Hex Codes Description Supported V 80 DTE to DCE Commands lt extend0 gt length 40h The DCE decodes this as a sequence of 3 lt length gt 1Fh lt control gt lt rest of command gt lt 42h gt lt 105o0ff gt lt 42h gt Circuit 105 is OFF lt 1050n gt lt 43h gt Circuit 105 is ON lt singleEMp gt lt 58h gt The DCE decodes this as one 99h in user data lt doubleEMp gt lt 59h gt The DCE decodes this as 99h 99h in user data lt singleEM gt lt 5Ch gt The DCE decodes this as on lt 19h gt in user data lt doubleEM gt lt 5Dh gt The DCE decodes this as lt 19h gt lt 19h gt in user data lt poll gt lt 5Eh gt The DCE decodes this command and deliver a set of status commands one for each circuit enabled Supported V 80 DCE to DTE Commands lt extend0 gt length lt 60h gt The DCE decodes this as a sequence of 3 lt length gt 1Fh lt st
142. e Manual 3 2 3 3 2 4 3 2 5 3 2 6 amp S DSR 6 5 re iet t e HERRERA ETE RE RU UE TREO EE TERRE HR 3 28 amp X Select Synchronous Clock Source c cssssesssessssssssssesesssescescsescseseeseeseaessscsceceveseseasacacscaceeeeeacaees 3 29 IPR s Eixed D TER sos ctione certet tete rri recte tcd ste eve era 3 30 IFC DTE Modem Local Flow Control sees 3 31 ILRR DTE Modem Local Rate Reporting sese 3 32 xIBC IriBand Commands Re ER ERR RR EE Calli cette ttr iet eae tr eet ect tnm n etra drei eo et etd ree deeper e uec EP 5 10 1 555 541 ire ee ree ea ms Return to On Line Data Speaker eiie de iade M Speaker Control c amp G Select Guard Tone amp P Select Pulse Dial Make Break Ratio amp V Display Current Configuration and Stored Profiles sse 3 45 amp V1 Display Last Connection Statistics V Single Line Connect Message Enable 961 Report Line Signal Level tcr Q Report Line Signal Quality sese nenne nnrtnnes B Display Blacklisted Numbers sse D Display Delayed Numbers ooo ee ee edit PPD Extension Pickup Notification through 16550 UART
143. e Manual 906 Enable Disable Data Compression Enables or disables data compression negotiation The modem can only perform data compression on an error corrected link The parameter value if valid is written to S41 bits 0 and 1 Syntax C lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Disables data compression Resets 546 bit 1 1 Enables MNP 5 data compression negotiation Resets S46 bit 1 2 Enables V 42 bis data compression Sets 546 bit 1 3 Enables both V 42 bis and MNP 5 data compression Sets S46 bit 1 Default Result Codes OK value 0 1 2 or 3 ERROR Otherwise 102184B Conexant 3 77 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 2 7 V 8 V 8bis Commands A8E V 8 and V 8bis Operation Controls This command is defined for two conditions as a parameter while the modem is on hook and as an action command while the modem 18 off hook If enabled V 8 negotiation does not preclude simultaneous implementation of other negotiation means e g V 8bis V 18 V 32bis Annex A This command is a compound parameter if issued while the modem is on hook used to precondition V 8 and V 8bis originating and answering operation It is issued by the DTE before the Dial D or Answer A command regardless of the state of the FCLASS parameter This command is an action command if issued while the modem is off hook to re
144. e RPI mode and set DTE speed to 38400 bps 3 Enable RPI mode and set DTE speed to 57600 bps 11 Enable RPI mode When in RPI mode a link is established between the modem and the WinRPI or WinRPI95 host PC software driver to allow the modem to support protocol V 42bis LAP M MNP2 5 connections with a remote modem This command should only be used when the WinRPI or WinRPI95 driver software is installed in the PC 16 Reserved 17 Reserved Result Codes OK 0 to 3 11 16 17 ERROR Otherwise 3 82 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual ITF Transmit Flow Control Thresholds The ITF command determines the flow control thresholds used by the modem for transmit data from the DTE This optional compound parameter allows the DTE to determine the input buffer size in the modem for data on circuit 103 transmit data from the DTE to control the thresholds used for flow control of such data and to control how often the modem reports to the DTE the number of octets in this buffer The DTE can adjust its own thresholds for flow control of data on circuit 104 received data from the modem Syntax ITF lt off gt lt on gt lt report_period gt Defined Values lt off gt Determines the threshold in octets above which the modem will generate a flow off signal Applicable in Synchronous Access and Frame Tunneling modes Default lt off gt value is 255
145. e associated event Each of the possible hardware configurations has its own lt label gt lt idle event gt description line the above form description shows just one A lt CR gt lt LF gt terminates each description line Example AT VLS 0 0000000000 0000000000 B084008000 1 T 0B8418E000 0FE4 18E000 0B8419E000 2 L 0884008000 0CE4008000 0884018000 3 LT 0B8418E000 0FE418E000 0B8419E000 4 S 0084008000 0484008000 3084018000 5 ST 0B8418E000 0FE418E000 0B8419E000 6 M 0084008000 04E4008000 3084008000 8 1 0084008000 0484008000 3084018000 9 S1T 0B8418E000 0FE418E000 0B8419E000 11 M1 0084008000 04E4008000 3084008000 13 MIS1T 0B8418E000 0FE418E000 0B8419E000 14 H 0084008000 04E4008000 3084018000 15 HT 0B8418E000 0FE418E000 0B8419E000 19 151 0084008000 04 4008000 3084018000 20 t 0B8418E000 0FE418E000 BB8419E000 Result Codes OK lt label gt 0 5 8 9 11 14 18 19 ERROR The lt label gt value is out of range or if the modem cannot service the request in the lt label gt subparameter 5 12 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Table 5 5 VLS Command Options Label Primitives Description VTX VRX VSP 1 0 None DCE on hook Local phone connected to the line 1 T DCE off hook DCE connected to the line Local phone provided with
146. e detection is enforced and busy tone is detected NO CARRIER will be reported instead of BUSY If dial tone detection 1s enforced or selected and dial tone is not detected NO DIAL TONE will be reported instead of NO CARRIER The value 102184B Conexant 3 19 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Result Codes 101b is written to S22 bits 6 5 and 4 respectively Enables reporting of busy tones send only OK CONNECT RING NO CARRIER ERROR NO ANSWER and CONNECT Blind dialing is enabled disabled by country parameters If dial tone detection is enforced and dial tone is not detected NO CARRIER will be reported The value 110b is written to 522 bits 6 5 and 4 respectively Enables reporting of busy tones send all messages The value 111b is written to S22 bits 6 5 and 4 respectively Default OK lt value gt 0 to 4 ERROR Otherwise 3 20 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Table 3 2 Result Codes Short Form Long Form n Value in ATXn Command Notes 0 1 2 3 4 F4 FCERROR x x x x 0 OK x x x x 1 x x x x x 2 RING x x x x x 3 NO CARRIER x x x x x 4 ERROR x x x x x 5 CONNEC
147. e modem a flash memory programmed with the modem firmware or a blank flash memory Put the FLM e g FA5Aload S37 and the new modem firmware file e g ACF31900V90P21FSH282621p3v9 s37 in an appropriate directory on the computer s hard disk Configure the communications application program for a DTE rate of between 9600 bps and 115200 bps and RTS CTS flow control Note When programming a blank or corrupt flash device the modem s automatic speed sensing function does not operate and the modem defaults to 57600 bps Check the modem for response by typing AT Initiate the download process using the AT command The Download flash code message appears upon issuing the AT command Perform an ASCII transfer of the FLM file e g F45Aload 37 from the host computer to the modem RAM using an industry standard communications software or an equivalent process ensure that all ASCII translation or pacing is turned off After the FLM has been loaded perform an AASCI upload of the new modem firmware hex file e g ACF31900V90P21FSH282621p3v9 s37 from the host computer to the modem RAM using industry standard communications software or an equivalent process The messages described in Table 3 1 may occur during the uploading process Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Table 3 1 Upload Messages Message Description Device not supported Displayed if
148. e modem in the expression lt DLE gt lt code gt The number in parenthesis in the second column corresponds to the T 50 equivalent Table 5 3 Supported lt DLE gt Shielded Codes Sent to the Modem DCE Code Code Simple Action Command Description lt DLE gt 1 0 Two contiguous lt DLE gt lt DLE gt codes indicate a single lt DLE gt in the data stream Immediate Command or Stream Command 7 5 Action Numbers 0 and 3 Increase the volume gain by one unit Immediate Command d 6 4 Action Numbers 1 and 4 Decrease the volume or gain by one unit Immediate Command p 7 0 Action Number 9 Pause r 7 2 Action Number 10 Resume lt ETX gt 0 3 Action Number 11 End Voice Transmit State Stream Command lt CAN gt 1 8 Action Number 12 Clear transmit buffer of voice data Immediate Command 2 1 Action Number 15 Receive abort Immediate Command 102184B Conexant 5 3 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 9 2 5 2 1 Voice Commands Configuration Commands FCLASS 8 Select Voice Mode TFCLASS S8 selects the Voice Mode The Voice Mode commands and responses described in this section are applicable when command FCLASS 8 See Section 3 2 1 for the definition of the FCLASS command VNH Automatic Hang up Control This command enables or disables automatic hangups Syntax VNH lt hook gt
149. e receive either with the Presumed End of Message QUIT or Presumed Hangup SILENCE event reports Syntax VSD lt sds gt lt sdi gt Defined Values lt sds gt Decimal number corresponding to the selected parameter 0 Use VSM silence compression setting and algorithm for long term silence detection if VSM is in use or proprietary silence compression setting and algorithm for long term silence detection if VSM is not in use 127 Sets less aggressive long term silence detection independent of presence or use of silence compression 128 Sets nominal long term silence detection independent of presence or use of silence compression 129 Sets more aggressive long term silence detection independent of presence or use of silence compression lt sdi gt Decimal number specifying the required period of silence in units of 0 1 second before the modem can report silence detected at the end of a voice receive either with the Presumed End of Message QUIT or Presumed Hangup SILENCE event reports A value of 0 disables the modem silence detection The range is 0 1 to 25 5 seconds for lt sdi gt 1 to 255 Reporting Current or Selected Values Command VSD Response lt sds gt lt sdi gt Example 0 50 For the default setting Reporting Supported Range of Parameter Values Command VSD Response lt sds gt range lt sdi gt range Example 0 127 129 0 255 Result Codes OK hoo
150. e to complete the installation Update Driver Software Conexant V92 Data Fax Voice Modem Windows has successfully updated your driver software Windows has finished installing the driver software for this device 6 Conexant V92 Data Fax Voice Modem 7 When completed installation the modem displayed in Device Manager 18915 4 user PC gt 4M Computer gt zs Disk drives MM Display adapters b d DVD CD ROM drives gt eld Floppy disk drives gt eH Floppy drive controllers b og Human Interface Devices gt IDE ATA ATAPI controllers gt 4 Keyboards b n Mice and other pointing devices 44 Modems 402 Conexant V92 Data Fax Voice Modem b Monitors AP Network adapters b MB Portable Devices gt Ports COM amp LPT gt Processors gt Sound video and game controllers gi System devices be 9 Universal Serial Bus controllers 3 2 2 Installation Procedures for Windows 32 bits XP Win7 Vista If your computer using Windows 32 bits 2K XP Win7 Vista please open the related folder of CD e g F Driver Win2K_XP There is a Setup exe file in the related folder for installation You may use the Wizard of installation CD to install 4 Commands Most people use the communication software programs to tell modems what to do Therefore you may not use the commands in this chapter However if you prefer to communicate with your modem directly yo
151. easurement is read on the opposite of the diode bridge so the modem assumes and compensates for the voltage drop across 2 diodes Therefore if no line is connected the modem will report 1 4V 102184B Conexant 3 55 AT Commands for 1801 06833 81300 06827 Modems Reference Manual TTE Threshold Adjustments for Telephony Extension This command allows the host to set tune the telephone extension features for the modem to determine Line In Use Extension Pickup Remote Hang up and Digital Line Protection and Line Interruption Immunity conditions An ATZ or AT amp F will load default values Syntax TTE lt Line In Use voltage drop threshold gt lt Extension Pickup voltage drop threshold gt lt Remote Hang up voltage drop threshold gt lt Digital Line Protection current threshold gt Line Interruption Immunity gt lt gt Range 0 9999 0 9999 0 9999 0 9999 0 255 0 255 Units 1 10 volt first three parameters 1 mA fourth parameter 100 ms fifth parameter Defined Values Line In Use voltage drop threshold 1000 10 00 V drop while modem is on hook Default Extension Pickup voltage drop threshold 150 1 50 V drop while modem is off hook this value must be less than the Remote Hang up voltage drop threshold Default Remote Hang up voltage drop threshold 500 5 00 V drop while modem is off hook this value must be greater th
152. ed Range of Parameter Values Command IPR Response IPR lt rate gt range Example IPR 0 300 1200 2400 4800 9600 19200 38400 57600 115200 230400 3 30 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual IFC DTE Modem Local Flow Control This extended format compound parameter controls the operation of local flow control between the DTE and the modem during the data state when V 42 error control is used or when fallback to non error control mode is specified to include buffering and flow control It accepts two numeric subparameters Syntax IFC lt modem_by DTE gt lt DTE_by_modem gt Defined Values lt modem_by DTE gt Specifies the method to be used by the DTE to control the flow of received data from the modem 0 None 1 XON XOFF on transmitted data XON XOFF on transmit data do not pass XON XOFF characters to the remote modem 2 Circuit 133 Ready for Receiving Default 3 DC1 DC3 on circuit 103 Transmitted Data with DC1 DC3 characters being passed through to the remote DCE in addition to being acted upon for local flow control DTE by modem Specifies the method to be used by the modem to control the flow of transmitted data from the DTE 0 None 1 XON XOFF on received data 2 CTS RTS Default Reporting Current or Selected Values Command IFC Response modem by DTE gt lt DTE_by_modem gt Example IFC 2
153. ed Range of Parameter Values Command VGR Response lt gain gt range Example 0 Result Codes OK lt gain gt 0 ERROR Otherwise or if not in Voice Mode 102184B Conexant 5 9 AT Commands for 1801 06833 81300 06827 Modems Reference Manual VGT Voice Gain Transmit Playback Volume This command causes the modem to set the volume level Syntax VGT lt level gt Defined Values lt level gt Decimal number corresponding to the volume level Reporting Current or Selected Values Command VGT Response lt level gt Example 128 For the default setting Reporting Supported Range of Parameter Values Command VGT Response lt level gt range Example 0 255 Result Codes OK lt level gt 0 255 ERROR Otherwise or if not in Voice Mode Conexant 102184B Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual VIT Voice Inactivity Timer DTE Modem This command sets the modem s initial value for the DTE modem inactivity timer Syntax VIT lt timer gt Defined Values lt timer gt Decimal number corresponding to the time in units of 1 0 second A value of 0 disables the timer Reporting Current or Selected Values Command VIT Response lt timer gt Example 0 For the default setting Reporting Supported Range of Parameter Values Command VIT Response lt timer gt range Example 0 255 Result Codes OK lt timer
154. efault 1 3396 6790 make break ratio at 10 pulses per second amp P 1 2 39 61 make break ratio at 20 pulses per second amp P2 3 33 67 make break ratio at 20 pulses per second amp P3 Bit 5 7 Reserved 3 114 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 29 Flash Dial Modifier Time 529 sets the length of time in units of 10 ms that the modem will go on hook when it encounters the flash dial modifier in the dial string S29 is a country dependent parameter The 529 value cannot be changed using S29 XX Range 0 255 10 ms intervals Default 70 700 ms for U S 30 Disconnect Inactivity Timer S30 sets the length of time in tens of seconds that the modem will stay online before disconnecting when no data is sent or received In error correction mode any data transmitted or received will reset the timer In other modes any data transmitted will reset the timer The timer is inoperative in synchronous mode Range 0 255 tens of seconds 0 2550 seconds Default 0 disabled 31 Bit Mapped Options Status S31 indicates bit mapped options status Default 192 COh 11000000b Bit 0 Single line connect message enable disable Vn 0 Messages controlled by 595 Wn and Vn VO Default 1 Single line connect message V1 Bit 1 Reserved 0 Bits2 3 Error correction progress messages Wn 0 DTE speed only WO Default 1 Full repor
155. either the line speed is 300 bps and line speed is enabled or the DTE speed is 300 bps and DTE speed reporting is enabled 2 RING An incoming ring signal is detected on the line What qualifies as a ring signal is determined by country dependent parameters modifiable through ConfigurACE When cellular interface is selected RING indicates that the cellular phone is receiving an receiving an incoming call 3 NO CARRIER Sent when attempting to establish a call if 1 Ringback is detected and later ceases but no carrier is detected within the period of time determined by register S7 or 2 ringback is detected within the period of time determined by register S7 Also sent when the modem auto disconnects due to loss of carrier For sent for the following conditions 1 If busy tone detection is enforced busy or circuit busy has been detected 2 If dial tone detection is enforced or selected dial tone has not been detected 4 ERROR Sent during an attempt to execute a command line if any of the following conditions occur 1 The command line contains a syntax error 2 modem cannot execute a command contained in the command line i e the command does not exist or is not supported 3 Acommand parameter within the command line is outside the permitted range For X1 X2 and X3 this message is sent instead of DELAYED and BLACKLISTED 5 CONNECT 1200 The modem has connected to the line and either the line speed is 1200 bps and DC
156. ems Reference Manual amp Y Designate a Default Reset Profile This command selects which user profile will be used after a hard reset Syntax amp Y lt value gt Defined Values lt value gt Decimal number corresponding to the selected profile 0 The modem will use profile 0 1 The modem will use profile 1 Result Codes OK value 0 to 1 ERROR If value gt 1 or if NVRAM is not installed or is not operational amp W Store Current Configuration Saves the current active configuration profile including S Parameters in one of the two user profiles in NVRAM as denoted by the parameter value This command will yield an ERROR message if the NVRAM is not installed or is not operational as detected by the NVRAM test The current configuration is comprised of a list of storable parameters illustrated in the amp V command These settings are restored to the active configuration upon receiving a Zn command or at power up see amp Yn command Syntax amp W lt value gt Defined Values lt value gt Decimal number corresponding to the selected profile 0 Store the current configuration as profile 0 1 Store the current configuration as profile 1 Result Codes OK value 0 or 1 ERROR Otherwise 102184B Conexant 3 11 AT Commands for 1801 06833 81300 06827 Modems Reference Manual amp Zn x Store Telephone Number The modem can store up to four telephone numbers
157. ent dial attempt only Ignored may be used to format the dial string Ignored may be used to format the dial string lt space gt Ignored may be used to format the dial string lt i gt Invalid character will be ignored gt If enabled by country specific parameter the modem will generate a grounding pulse on the EARTH relay output 102184B Conexant 3 39 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual T Set Tone Dial Default This command forces DTMF dialing until the next P dial modifier or P command is received The modem will set an S Parameter bit to indicate that all subsequent dialing should be conducted in tone mode The DP command will override this command Clears S14 bit 5 This command may not be permitted in some countries See P Result Code OK P Set Pulse Dial Default This command forces pulse dialing until the next T dial modifier or T command is received Sets 14 bit 5 As soon as a dial command is executed which explicitly specifies the dialing mode for that particular call e g ATDT this command is overridden so that all future dialing will be tone dialed See T command This command may not be permitted in some countries Result Code OK Answer The modem will go off hook and attempt to answer an incoming call if correct conditions are met Upon successful completion of answer handshake the modem will go on line in answer mode This command
158. er If the modem does not detect these 5 seconds of silence before the expiration of the call abort timer S7 the modem will terminate the call attempt with a NO ANSWER message If busy detection is enabled the modem may terminate the call with the BUSY result code If answer tone arrives during execution of this parameter the modem handshakes 3 38 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Wait for credit card dialing tone before continuing with the dial string If the tone is not detected within the time specified by S7 US models or S6 W class models the modem will abort the rest of the sequence return on hook and generate an error message Dial pause the modem will pause for a time specified by S8 before dialing the digits following Return to command state Added to the end of a dial string this causes the modem to return to the command state after it processes the portion of the dial string preceding the This allows the user to issue additional AT commands while remaining off hook The additional AT commands may be placed in the original command line following the and or may be entered on subsequent command lines The modem will enter call progress only after an additional dial command is issued without the terminator Use H to abort the dial in progress and go back on hook Toggles calling tone enable disable applicable to curr
159. er buffered mode nor error controlled means are enabled ES x 0 and if the negotiated carrier rate MRR does not match the current DTE modem port rate autodetected from the previous command line Syntax ILRR lt rate gt lt rx_rate gt 3 32 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Defined Values lt rate gt lt rx_rate gt Example ILRR 19200 Decimal value representing the current negotiated or renegotiated DTE modem rate 0 300 1200 2400 4800 9600 19200 38400 57600 115200 or 230400 Optional decimal value reporting the RXD rate if it is different from the TXD rate 0 300 1200 2400 4800 9600 19200 38400 57600 115200 or 230400 102184B Conexant AT Commands for 1801 06833 81300 06827 Modems Reference Manual IBC In Band Commands This command provides a mechanism by which an in band secondary channel may be implemented This in band secondary channel can be utilized to transparently exchange commands and responses to from the modem during a data connection This is an alternative approach to using the escape sequence The IBC command also provides a mechanism to exchange V 24 signaling via the secondary channel The primary reason the In Band Channel is implemented is to retrieve Caller ID type information The supported In Band Channel command is compatible with the ITU T V 80 standa
160. ermines the calling type and issues DATA result code 13 if the caller is a data modem or issues FAX result code 15 if the caller is a fax modem After a data not fax connection is achieved indicated by the DATA result code the DTE must issue an ATO command to cause the modem to go on line FTS Transmit Silence This command causes the modem to terminate a transmission and wait for lt time gt 10 ms intervals before responding with the OK result code Syntax FTS lt time gt Defined Values lt time gt Decimal number from 0 default to 255 which specifies the length of time in 10 ms intervals to delay before responding with the OK result code after terminating the session Result Codes OK Reported when transmission has been terminated for the specified amount of time ERROR lt value gt is invalid or this command is issued while the modem is on hook Reporting Supported Range of Parameter Values Command FTS Response FTS lt time gt range Example FTS 0 255 102184B Conexant 4 7 AT Commands for 1801 06833 81300 06827 Modems Reference Manual FRS Receive Silence This command causes the modem to listen and report an OK result code when silence has been detected on the line for the specified period of time This command will terminate when the required period of silence is detected or when the DTE sends the modem another character other than XON or XOFF which is discarded
161. erved 3 92 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 3 2 10 Compatibility Commands amp L Leased Line Operation This command requests leased line or dial up operation This command is provided for compatibility only no mode change 15 performed dial up operation continues The OK response is returned for a valid parameter but no other action is performed The parameter value 1f valid 18 written to S27 bit 2 Syntax amp L lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Requests dial up operation Dial up operation continues Result Codes OK 0 ERROR Otherwise M Enable Cellular Power Level Adjustment This command is included for compatibility only and has no effect other than returning a result code Syntax M lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 command 1 command 2 M2 command Result Codes OK 0 to 2 ERROR Otherwise 102184B Conexant 3 93 Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Initial Cellular Power Level Setting This command is included for compatibility only and has no effect other than returning a result code Syntax M lt value gt Defined Values lt value gt Decimal number corresponding to the selected power setting 0 4 command 30 M30 comm
162. es ccssssssssssssssssssssscsssssssssesscscssssessssesesecsessssscessesecssseseausssesesesearasseeesesess 2 10 2 7 3 lt name gt compound value Information Text Formats for Test 5 2 11 Range of Values aee n e c Ab dE i EE ER eue Compound Range of Values Or quota GBU umen dte e qd ente 3 1 3 1 1 Es ape Gode Sequence 3 2 Data Commarids 5 ie rud aed 3 2 1 Generic Modem Control iicet tre retener e EE Ter be need Z iboftResetand Restore Profile a RR ER RR Rest FCLASS Select Active Service Class sse tnnt VCID Caller ID 1 VRID Report Retrieved Caller ID CID W Operating Mode Identification GMI Request Manufacturer Identification GMI9 Request Conexant GMM Request Model Identification essent GMR Request Revision Identification sese GCAP Request Complete Capabilities List eese 3 8 4001 Counitry of Installation iter neret reet reete ette retener n redd 3 9 amp F Restore Factor
163. eted U command description 3 Section 3 2 11 Revised F command description 4 Table 3 15 Added S17 row Incorporated in Doc No 102184A Initial release 102184B Conexant xi AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual This page is intentionally blank xii Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 1 Introduction 1 1 1 1 1 Overview This manual describes the host command and responses for the following Conexant modem families CX81801 SmartV XX Modem CX06833 SMXXD Modem CX81300 SmartACF Modem CX06827 SCXXD Modem The commands and responses are implemented in controller firmware for specific modem models Additional configuration and implementation information 18 available in release notes and or readme files that accompany product firmware release The descriptions in this manual apply to all commands and parameters that may be supported by different modem models Command Syntax The fundamental DTE interface command syntax 1s described in Section 2 Command Descriptions Commands are grouped into the following categories Syntax and procedures Section 2 Data commands Section 3 Fax Class 1 and Fax Class 1 0 commands Section 4 Voice Audio commands Section 5 Call Progress and Blacklisting Parameters The SmartACF SmartACFL and SCXXD modem MCU firmware may be provided either in reconfigu
164. eter can be used to ensure that data in the modem buffer is sent before the modem disconnects 1 IfS38 is set to a value between 0 and 254 the modem will wait that number of seconds for the remote modem to acknowledge all data in the modem buffer before disconnecting If time expires before all data is sent the NO CARRIER result code will be issued to indicate that data has been lost If all data is transmitted prior to time out the response to the HO command will be OK 2 IfS38 is set to 255 the modem does not time out and continues to attempt to deliver data in the buffer until the connection is lost or the data is delivered Range 0 255 seconds Default 20 3 116 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 39 Flow Control Bit Mapped Options Status Default 3 0000001 1b Bits 0 2 Status of command options 0 No flow control 35 RTS CTS amp K3 Default 4 XON XOFF amp K4 Transparent amp K5 6 Both methods amp K6 Bits 3 7 Reserved 40 General Bit Mapped Options Status S40 indicates the status of command options Default 104 68h 01101000b Bits 0 1 MNP Extended Services Kn Disable extended services K0 Default Enable extended services K1 Enable extended services K2 Bit 2 Reserved Bits 3 5 Break Handling Kn 0 KO 1 1 2 K2 3 K3 4 K4 5 K5 Default Bits 6 7 Reserved 10
165. f Speaker ON until CONNECT Speaker is always on Speaker off during dialing and receiving carrier and turn speaker on during answering Return to On Line Data Mode Go on line Go on line and retrain Set Pulse Dial for phone line that does not support touchtone dialing Soft Reset and Restore Profile Restore stored profile 0 after warm reset Restore stored profile 1 after warm reset Control Carrier Detect CD Signal CD override Normal CD operations DTR Option Ignore an on to off transition of DTR Switch to on line command mode without disconnection Normal DTR operations Modem re initialized amp Y determines which profile is loaded Load Factory Configuration Profile amp Wn Store Current Configuration amp WO Store the current configuration as profile 0 amp W1 Store the current configuration as profile 1 4 3 S Register Definitions ATS Read Selected S Register Sr n 50 56 57 58 59 This command reads and displays the selected S Register An S Register can be selected by using the ATSn command Set Register r ton Number of Rings to Auto Answer The number of rings the modem waits for before it auto answers Range 0 255 rings Default 0 Country dependent Wait Time before Blind Dialing The time to pause after off hook before blind dialing Range 2 255 rings Default 2 Seconds Country dependent Wait Time before Carrier Detect The time to wait for a ca
166. formation The format of this information text is defined for each parameter 2 4 5 Additional Syntax Rules Concatenating Commands after Extended Syntax Commands Additional commands may follow an extended syntax command on the same command line if a semicolon is inserted after the preceding extended command as a separator 102184B Conexant 2 7 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 2 5 2 6 2 6 1 The semicolon is not necessary when the extended syntax command is the last command on the command line Concatenating Commands after Basic Format Commands Extended syntax commands may appear on the same command line after a basic syntax command without a separator in the same manner as concatenation of basic syntax commands Issuing Commands All characters in a command line must be issued at the same data rate and with the same parity and format The modem will ignore any command line that is not properly terminated The modem may consider 30 seconds of mark idle time between any two characters as an improperly terminated command line In this case the modem may or may not generate an ERROR message The modem will ignore any characters received from the DTE that are not part of a properly formatted command line If the maximum number of characters that the modem can accept in the body is exceeded an ERROR result code is generated after the command line is terminated T
167. g where the modem detects a parsing error encounters an invalid frequency range encounters a CR or encounters semi colon 102184B Conexant 5 7 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Reporting Supported Range of Parameter Values Command VTS Response lt freql gt range lt freq2 gt range lt dur gt range Example 200 3000 200 3000 0 255 OK Result Codes OK Valid command ERROR The lt string gt command is invalid or a selected frequency is out of range Example 1 This example illustrates tone generation without using any null elements The command example is followed by a description of command execution AT VTS 30 1 2 1000 1300 50 6 800 1300 50 9 Hookflash with a duration of 300 ms Play DTMF 1 with a duration given by the VTD command Play DTMF 2 with a duration given by the VTD command Play tone pair at 1 000 Hz and 1 300 Hz with a duration of 500 ms Hookflash with a duration given by the VTD command Play DTMF with a duration of 60 ms Play tone pair at 800 Hz and 1300 Hz with a duration of 500 ms eo vox SOS UM Ks AT SE Em Play DTMF 9 with a duration given by the VTD command Example 2 This example illustrates tone generation using null elements The command example is followed by a description of command execution AT VTS 1 2 1000 1300 50 800 9 Play DTMF 1 with a duration given by the VTD command
168. gnal Indication 3 79 DR Data Compression Reporting 3 75 DS Data Compression 3 73 0544 V 44 Compression 3 74 EB Break Handling in Error Control Operation 3 65 EFCS 32 bit Frame Check 3 66 ER Error Control 3 67 ES Error Control and Sync Mode Selection 3 63 ESA Configure Synchronous Access Submode 3 80 ESR Selective 3 65 ETBM Call Termination Buffer Management 3 69 FAA Auto Answer 4 6 FAE Auto Answer Enable es 4 7 FAR Adaptive Reception 4 13 FCL Carrier Loss Timeout 4 14 FCLASS Select Active Service Class 9 2 FCLASS 1 Select Facsimile Class 1 Mode 4 6 FCLASS 1 0 Select Facsimile Class 1 0 Mode 4 6 FCLASS 8 Select Voice Mode 5 4 FDD Double Escape Character Replacement FIT DTE Inactivity FLO Flow
169. gt Defined Values lt mod gt Decimal number corresponding to the selected modulation mode and data rates shown in Table 4 2 Result Codes CONNECT Reported for either of two conditions 1 At the beginning of transmission of the training pattern for the selected modulation 2 Ifthe Final Frame bit is 0 OK Reported for either of two conditions 1 Ifthe Final Frame Bit is 1 2 if the DTE sends only lt DLE gt lt ETX gt a null frame while transmitting flags ERROR Reported if five seconds elapse from the time when the modem reported the CONNECT result code without any additional data transmitted from the DTE the modem then turns off carrier and returns to the command mode Reporting Current or Selected Values Command FTH Response lt mod gt Example 98 For V 17 9600 bps Reporting Supported Range of Parameter Values Command FTH Response FTH Example 98 For V 17 9600 bps 102184B Conexant 4 11 AT Commands for 1801 06833 81300 06827 Modems Reference Manual FRH Receive Data with HDLC Framing This command causes the modem to receive frames using HDLC protocol and the modulation defined below An ERROR response code results if this command is issued while the modem is on hook Syntax FRH lt mod gt Defined Values lt mod gt Decimal number corresponding to the selected modulation mode and data rates shown in Table 4 2 Reporting
170. h ITU T V 90 modulation and modulation reporting is enabled See MR S95 and Xn 150 MRR 32000 The modem has connected to the line at 32000 bps and carrier reporting is enabled See S95 and Xn 151 MRR 34000 The modem has connected to the line at 34000 bps and carrier reporting is enabled See S95 and Xn 152 MRR 36000 The modem has connected to the line at 36000 bps and carrier reporting is enabled See S95 and Xn 153 MRR 38000 The modem has connected to the line at 38000 bps and carrier reporting is enabled See S95 and Xn 154 MRR 40000 The modem has connected to the line at 40000 bps and carrier reporting is enabled See S95 and Xn 155 MRR 42000 The modem has connected to the line at 42000 bps and carrier reporting is enabled See S95 and Xn 156 MRR 44000 The modem has connected to the line at 44000 bps and carrier reporting is enabled See S95 and Xn 157 MRR 46000 The modem has connected to the line at 46000 bps and carrier reporting is enabled See S95 and Xn 158 MRR 48000 The modem has connected to the line at 48000 bps and carrier reporting is enabled See S95 and Xn 159 MRR 50000 The modem has connected to the line at 50000 bps and carrier reporting is enabled See S95 and Xn 160 MRR 52000 The modem has connected to the line at 52000 bps and carrier reporting is enabled See S95 and Xn 161 MRR 54000 The modem has connected to the line at 54000 bps and carrier reporting is ena
171. h specifies the acceptable fallback mode of operation when the modem is operating as the originator 0 LAPM MNP or Normal Mode error control optional Default 1 LAPM MNP or Direct Mode error control optional 2 LAPM or MNP error control required disconnect if error control is not established 3 LAPM error control required disconnect if error control is not established 4 MNP error control required disconnect if error control is not established 102184B Conexant 3 63 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual ans Examples ES 6 ES 6 ES 8 ES 3 458 2 ES 6 8 ES 3 2 Decimal number which specifies the acceptable fallback mode of operation when the modem is operating as the answerer or specifies V 80 Synchronous Access Mode 0 Direct Mode 1 Error control disabled use Normal Mode 2 LAPM MNP or Normal Mode error control optional Default 3 LAPM MNP or Direct Mode error control optional 4 LAPM or MNP error control required disconnect if error control is not established 5 LAPM error control required disconnect if error control is not established 6 MNP error control required disconnect if error control 18 not established 8 Initiate V 80 Synchronous Access Mode when connection is completed and Data State is entered see ESA and ITF commands 9 Initiate Frame Tunneling Mode when connection 18 complete and Data Mode is entered
172. he DTE will not begin issuing a subsequent command line until at least one tenth of a second has elapsed after receipt of the entire result code issued by the modem in response to the preceding command line Executing Commands Upon receipt of the termination character the modem commences execution of the commands in the command line in the order received from the DTE Should execution of a command result in an error or a character be not recognized as a valid command execution is terminated the remainder of the command line is ignored and the ERROR result code is issued Otherwise if all commands execute correctly only the result code associated with the last command is issued result codes for preceding commands are suppressed If no commands appear in the command line the OK result code is issued Aborting Commands Some action commands that require time to execute may be aborted while in progress these are explicitly noted in the description of the command Aborting of commands is accomplished by the transmission from the DTE to the modem of any character A single character is sufficient to abort the command in progress however characters transmitted during the first 125 milliseconds after transmission of the termination character are ignored to allow for the DTE to append additional control characters such as line feed after the command line termination character To ensure that the aborting character is recognized by the modem it
173. he modem a sequence of three ASCII characters specified by register S2 The default character 15 The maximum time allowed between receipt of the last character of the three escape character sequence from the DTE and sending of the OK result code to the DTE is controlled by the S12 register 3 2 Data Commands The modem will respond to the commands detailed below Parameters applicable to each command are listed with the command description The defaults shown for each configuration command are those used in the Conexant factory profile 0 102184B Conexant 3 1 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 2 1 Generic Modem Control Z Soft Reset and Restore Profile This command causes the modem to perform a soft reset and restore recall the configuration profile If no lt value gt is specified zero is assumed Syntax Z lt value gt Defined Values lt value gt Decimal number corresponding to the selected profile 0 Soft reset and restore stored profile 0 1 Soft reset and restore stored profile 1 Result Codes OK value 0 or 1 ERROR Otherwise FCLASS Select Active Service Class This command selects the active service class mode Syntax FCLASS lt mode gt Defined Values lt mode gt Decimal number which corresponds to the selected service class 0 Select Data Mode Section 3 Default 1 Select Facsimile Class 1 Mode Section 4 1 0 Select Fac
174. he reported carrier Defined values are B103 For Bell 103 B212 For Bell 212 V21 For V 21 V22 For 22 V22B For V 22bis V23C For V 23 V32 For V 32 V32B For V 32bis V34 For V 34 V90 For V 90 V92 For V 92 3 60 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Report Syntax Response MRR lt tx_rate gt lt rx_rate gt lt tx_rate gt Decimal transmit rate in bits s lt rx_rate gt Decimal receive rate in bits s Example MRR 28800 48000 E Enable Disable Line Quality Monitor and Auto Retrain or Fallback Fall Forward Controls whether or not the modem will automatically monitor the line quality and request a retrain E1 or fall back when line quality is insufficient or fall forward when line quality is sufficient E2 The parameter value if valid is written to S41 bits 2 and 6 If enabled the modem attempts to retrain for a maximum of 30 seconds Syntax E lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Disable line quality monitor and auto retrain 1 Enable line quality monitor and auto retrain 2 Enable line quality monitor and fallback fall forward Default Result Codes OK value 0 1 or 2 ERROR Otherwise Fallback Fall Forward When E2 is active the modem monitors the line quality EQM When line quality is insufficient the modem will initiate a rate renegotiation
175. he same as result codes defined in TIA 602 with regard to headers and trailers The characters specified in S parameters 53 and S4 are used in headers and trailers of extended syntax result codes as they are in basic format result codes The setting of the V command affects the headers and trailers associated with extended syntax result codes in the same manner as basic format result codes however unlike basic format result codes extended syntax result codes have no numeric equivalent and are always issued in alphabetic form Extended syntax result codes are subject to suppression by the command as with basic format result codes The issuance of extended syntax result codes are not be affected by the setting of the X command Extended syntax result codes may be either final intermediate or unsolicited the type being indicated in the definition of the result code Extended syntax result codes are prefixed by the character to avoid duplication of basic format result codes specified in TIA 602 Following the character the name of the result code appears result code names follow the same rules as command names Extended syntax result codes may include the reporting of values The definition of the result code specifies whether or not values are appended to the result code and if so how many their types and their assumed default values if omitted Data voice Modes When no values are to be reported the result code appears in
176. icant bit position of the right most hex number The bit representations of the event numbers are used in the VLS command The third column lists whether a single character is enough to report the event or if the DCE must supply a more complicated report The description Simple indicates a single character response lt DLE gt shielded Message indicates a full text message lt DLE gt lt X gt packet and Pattern indicates a repeating Message Notes 1 The use of complex event reporting for Stuttered Dial tone is for further study 5 14 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual VRA Ringback Goes Away Timer This command sets the length of time the modem will wait between ringbacks during call origination before the modem can assume that the remote station has gone off hook Syntax VRA lt interval gt Defined Values lt interval gt Decimal number 0 255 specifying the silence interval time in units of 0 10 second between the end of one ring interval and the start of the next ring interval A value of 0 forces the modem to report the OK result code immediately after the first Ringback The range is 0 1 to 25 5 seconds for lt interval gt 1 to 255 Reporting Current or Selected Values Command VRA Response interval Example 50 5 seconds For the default setting Reporting Supported Range of Parameter Values Command Response
177. iented framing lt syn1 gt is to be commanded to 255 FFh lt syn2 gt is not to be commanded Reporting Selected Options The modem reports the selected options in response to the following command ESA The response is ESA lt trans_idle gt lt framed_idle gt lt framed_un_ov gt lt hd_auto gt lt cre _type gt lt nrzi_en gt lt syn1 gt lt syn2 gt Example ESA ESA 0 0 0 0 0 255 For the defaults Reporting Supported Options The modem reports the supported options in response to the following command ESA The response is ESA list of supported lt trans_idle gt values list of supported lt framed_idle gt values list of supported lt framed_un_ov gt values list of supported lt hd_auto gt values list of supported crc type values list of supported lt nrzi_en gt values list of supported lt syn1 gt values list of supported lt syn2 gt values Example ESA ESA 0 0 0 1 0 1 0 255 102184B Conexant 3 81 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 4H Enable Disable RPI This command enables or disables Conexant Protocol Interface RPI processing and sets the DTE speed Syntax lt gt Defined Values lt value gt Decimal number corresponding to the selected option 0 1 Disable protocol interface and video ready mode Enable RPI mode and set DTE speed to 19200 bps 2 Enabl
178. ies modem carrier detection and training Modem to modem protocols e g V 42 V 42bis e Data Transfer Bit error rates for each direction Rate renegotiation Retraining e Call Termination protocol disconnect signals carrier disconnect signals loss of carrier excessive error rates Command Syntax In response to this command the modem will report one or more lines of information text as defined below Information text format conforms to V 250 each line is preceded by a lt CR gt lt LF gt pair and terminated by lt CR gt lt LF gt CR and LF characters may be changed by writing new values to the contents of registers S3 and S4 respectively The modem may generate a single line or multiple lines followed by a standard OK final result code For example if call setup failed only that result is useful Each information text line is formatted as follows including one or more key value pairs Syntax UD Response DIAG lt token key value key value key value gt 102184B Conexant 3 85 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Defined Values DIAG 5 hexadecimal characters 44h 49h 41h 47h 20h lt Left angle bracket less than sign 3Ch token Unique 32 bit hexadecimal string 2A4D32 63 32h 411 34h 44h 33h 32h 36h 33h space space character 20h Key One or two digit hexadecimal number see Key in Table 3 5 Equal sign
179. imal frames transmitted with 1 frame error DIAG lt 2A4D3263 58 2A4B 59 0004 gt 10827 decimal frames received with 4 frame errors DIAG lt 2A4D3263 60 51 gt Local PC initiated hangup Conexant 3 91 AT Commands for 1801 06833 81300 06827 Modems Reference Manual TT PTT Test Command This command facilitates PTT testing of signal levels by providing continuous signals regards of whether or not the modem is connected to the line The signal transmitted 18 in accordance with the parameter provided A range of commands allows the user to initiate a series of signals required to obtain PTT approval The signals emitted include answer tone modulation carriers and other pertinent signals A test is initiated upon receipt of a oT Tn the second T is a password and n is a test number and the test 1s aborted when any keyboard character is entered The modem will continuously transmit the tone or carrier according to the parameter supplied Syntax TTOx x corresponds to the desired DTMF dial digit 0 Dial digit 0 Dial digit 1 Dial digit 2 Dial digit 3 Dial digit 4 Dial digit 5 Dial digit 6 Dial digit 7 Dial digit 8 Dial digit 9 Dial digit Dial digit Dial digit A Dial digit B Dial digit C F Dial digit D TT3x x corresponds to the selected MISC function gt BwWwNnN 0 Silence 1 2100 Hz 2 1300 Hz 3 1100 Hz 4 2225 Hz 5 F Res
180. ing Reporting Supported Range of Parameter Values Command PMH Response PMH lt value gt range Example 0 1 102184B Conexant 3 97 AT Commands for 1801 06833 81300 06827 Modems Reference Manual PMHT Modem on Hold Timer This command controls whether or not the modem will grant or deny a modem on hold MOH request as well as setting the MOH Timeout value Syntax PMHT lt value gt Defined Values lt value gt Decimal number corresponding to selected setting 0 Deny V 92 modem on hold Request Default 1 Grant MOH with 10 second timeout 2 Grant MOH with 20 second timeout 3 Grant MOH with 30 second timeout 4 Grant MOH with 40 second timeout 5 Grant with 1 minute timeout 6 Grant MOH with 2 minute timeout 7 Grant MOH with 3 minute timeout 8 Grant MOH with 4 minute timeout 9 Grant MOH with 6 minute timeout 10 Grant MOH with 8 minute timeout 11 Grant MOH with 12 minute timeout 12 Grant MOH with 16 minute timeout 13 Grant MOH with indefinite timeout Result Codes OK 0 13 in V 92 Mode MS V92 ERROR Otherwise Reporting Current or Selected Values Command Response value Example 0 For the default setting Reporting Supported Range of Parameter Values Command PMHT Response PMHT lt value gt range Example 0 1 2 3 4 5 6 7 8 9 10 11 12 13 3 98 Conexant 102184B AT Commands for
181. ion V44 for V 44 compression V42B for V 42bis compression ALT for Microcom 5 compression Note Compression is omitted if protocol is NONE Line Speed Asymmetric rates are displayed as rate TX rate RX e g 1200 75 RX Symmetric rates are displayed as a single DCE rate e g 14400 102184B Conexant 3 47 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 901 Report Line Signal Level Returns a value which indicates the received signal level The value returned is a direct indication DAA dependent of the receive level at the MDP not at the telephone line connector For example 009 9 dBm 043 43 dBm and so on Result Codes OK 900 Report Line Signal Quality Reports the line signal quality DAA dependent Returns the higher order byte of the EQM value Based on the EQM value retrain or fallback fall forward may be initiated if enabled by E1 or E2 Example AT Q 015 Result Codes OK If connected ERROR If not connected or connected in 300 bps V 23 or fax modes B Display Blacklisted Numbers This command requests the modem to return a list of blacklisted numbers to the DTE The format of the response is shown by the example below Permanently forbidden numbers as defined by country requirements will not appear on this list If no numbers are blacklisted only the OK result code is issued Syntax B Example NO
182. ion and DR message reporting is enabled See S95 Wn and Xn 70 ER NONE The modem has connected to the line without any form of error correction and the ER message reporting has been enabled See S95 Wn and Xn 7T ER LAPM The modem has connected to the line in V 42 LAPM error correction mode and ER message reporting has been enabled See S95 Wn and Xn 78 MRR 31200 The modem has connected to the line at 31200 bps and carrier reporting is enabled See S95 and Xn 79 MRR 33600 The modem has connected to the line at 33600 bps and carrier reporting is enabled See S95 3 124 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Code Message Meaning and Xn 80 ER ALT Sent when the modem has connected in the MNP mode of error correction and ER message reporting has been enabled See S95 Wn and Xn 81 ER ALT The modem has connected in the MNP 10 mode and cellular power level adjustment is CELLULAR enabled M1 or M2 See S95 Wn and Xn 83 LINE IN USE The modem attempted to go off hook when an extension was already occupying the line 84 CONNECT 33600 The modem has connected to the line the DTE speed is 33600 bps and the DTE speed reporting is enabled 91 CONNECT 31200 The modem has connected to the line DTE speed is 31200 bps and the modem is to re
183. ision level or date Syntax FMR Typical Response V3 001 V90 2M DLS OK Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual FLO Flow Control This parameter allows the DTE to identify and select the type of flow control used Syntax FLO lt method gt Defined Values lt method gt Decimal number corresponding to the selected option 0 XON XOFF and RTS CTS flow control turned off 1 Use XON XOFF flow control in either direction 2 Use RTS for flow control of the modem by the DTE use CTS for flow control of the DTE by the modem Reporting Current or Selected Values Command FLO Response FLO lt method gt Example FLO 0 For the default setting Reporting Supported Range of Parameter Values Command FLO Response FLO lt method gt range Example FLO 0 2 Result Codes OK lt method gt 0 2 ERROR Otherwise 4 3 Examples Examples of calling transmitting and answering receiving one page using fax class 1 commands are shown in Table 4 4 and Table 4 5 respectively The examples show the interchange between the DTE and the modem for various cases Comments are included to explain how to handle various situations Commands and responses are in upper case e g AT FRH 3 and comments are in lower case All streams of data denoted by lt frame gt are terminated by the lt DLE gt lt ETX gt characters 102184B Conexant 4 1
184. it carrier data rate 0 64000 in bit s 27 0 FA00 Initial receive carrier data rate 0 64000 in bit s 30 0 FF Temporary carrier loss event count 31 0 Carrier Rate re negotiation event count 32 0 Carrier Retrains requested 33 0 Carrier requests granted 34 0 00 Final transmit carrier data rate in bit s 35 0 FA00 Final receive carrier data rate in bit s 40 Table 3 11 Protocol Negotiation Result 41 0 400 Error Control frame size in bytes 42 0 FF Error control link timeouts in transmission 43 0 FF Error control link NAKs received 44 Table 3 12 Compression Negotiation Result 50 0 2 Transmit flow control 0 off 1 DC1 DC3 2 V 24 circuit 106 133 51 0 2 Receive flow control 0 off 1 DC1 DC3 2 V 24 circuit 106 133 52 0 FFFFFFFF Transmit characters sent from DTE 53 0 FFFFFFFF Received characters sent to DTE 54 0 FFFF Transmit characters lost data overrun errors from DTE 55 0 FFFF Received characters lost data overrun errors to DTE 56 0 FFFFFFFF Transmit 1 Frame count if error control protocol running 57 0 Received Frame count if error control protocol running 58 O0 FFFF Transmit 1 error count if error control protocol running 59 O0 FFFF Received l Frame error count if error control protocol running 60 Table 3 13 Termination Cause 61 0 FF Call Waiting event count 102184B Conexant 3 87 AT Commands for CX81801 CX06833 CX81300 CX06827
185. ity timer elapsing in the modem The Voice Command State is entered upon Voice Duplex State termination This command will function when the input and output are from to the same I O device such as local handset line or mic speaker Syntax VTR Result Codes OK Upon command acceptance ERROR The modem is not connected to the line and a non line device 5 6 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual VTS Send Voice Tone s This command causes the modem to send DTMF digit or hookflash tones with the duration specified by VTD to send DTMF digit or hookflash tones with duration specified by this command or to send single or dual tone frequencies with duration specified with this command Syntax VTS lt string gt Defined Values lt string gt The tone generation consists of elements in a list where each element is separated by a comma Each element can be 1 A single character which the modem interprets as DTMF digit 0 9 or A D or hookflash with a duration given by the VTD command 2 3 element string enclosed in square brackets freq1 freq2 dur which the modem interprets as general dual tone and duration selection or 3 2 element string enclosed in curly braces X dur which the modem interprets as a digit 0 9 or A D or hookflash with a duration dur different than that given by the
186. k 0 or 1 ERROR Otherwise or if not in Voice Mode 102184B Conexant 5 17 AT Commands for 1801 06833 81300 06827 Modems Reference Manual VSM Compression Method Selection This command causes the modem to set the voice compression method the silence compression sensitivity and the voice sampling rate Syntax VSM lt cml gt lt vsr gt lt sds gt lt sel gt Defined Values lt cml gt Decimal number identifying the compression method lt vst gt lt range of values gt containing the supported range of voice samples per second of the analog signal lt scs gt lt range of values gt containing the supported range of sensitivity settings for voice receives lt sel gt lt range of values gt containing the supported range of expansion values for voice transmits Reporting Current or Selected Values Command VSM Response lt cml gt lt vsr gt lt sds gt lt sel gt Example 1 8000 0 0 For the default setting Reporting Supported Range of Parameter Values Command VSM Response lt cml gt lt cmid gt lt bps gt lt tm gt lt vsr gt lt sds gt lt sel gt lt cml gt Decimal number identifying the compression method 1 129 130 140 or 141 lt cmid gt Alphanumeric string describing the compression method UNSIGNED PCM IMA ADPCM UNSIGNED PCM 2 Bit ADPCM or 4 Bit ADPCM lt bps gt Decimal number defining the average number of bits in the compressed sample not i
187. k connect profile to be saved Default Result Codes OK 0 or 1 in V 92 Mode MS V 92 and quick connect is enabled PSS 0 ERROR Otherwise Reporting Selected Value s Command QCPS Response QCPS value Example 5 1 For the default setting Reporting Supported Range of Parameter Values Command QCPS Response QCPS lt value gt range Example QCPS 0 1 102184B Conexant 3 103 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 3 3 3 3 1 S Parameters The S Parameters are summarized in Table 3 15 along with their default values registers denoted with an may be stored in one of the two user profiles by entering the amp W command One of these profiles may be loaded at any time by using the Z command Registers or register fields quoted as reserved are reserved for current or future use by the firmware or are permanently overridden by PTT limitations For the latter control of the equivalent functionality is available with ConfigurACE Call Progress and Blacklisting options All bit mapped registers are read only The appropriate AT command which controls the relevant bits in the S Parameter should be used to change the value S Read Write S Parameter The modem selects an S Parameter performs an S Parameter read or write function or reports the value of an S Parameter n Establishes S Parameter n as the last register accessed
188. l Cellular Power Level Setting ccccccssesssessscsssscssesessssssesssssesescssseeesassssceseseseeeeasseesees 3 94 E Compromise Equalizer Enable Command sess 3 94 32 11 Fast Connect Comlriarids oU ME RI MEME MIN E F Fast Connect o eee ERR RE ER ened 3 242 V 92 P and Q PCW Call Waiting Enable Modem on Hold Enable essent nentes 3 97 Modem on Hold Timer sese 3 98 PMHR Initiate Modem on Hold sse nnne nnns 3 99 PIG PCM Upstream s EE DRE RN RE MM 3 100 PMHF V 92 Modem on Hold Hook Flash sss 3 100 V 92 Phase 1 and Phase 2 Control 3 101 PSS Use Short Sequence eee ec tereti recon ta eet i eoi 3 102 QCPC Force Full Startup Procedure Next Connection essere 3 103 QCPS Enable Quick Connect Profile Save sse 3 103 3 104 5 Read Write S Parameter ccsccssssssssssssssssssesssscscsssssesssesssscesssasessesessssessssesseseseesessasssesseseeseeeas 3 104 3 3 1 FaCtonye 6145 ERE RUNE RU SR UEM 3 104 3 3 2 S P rameter Definitioris tice retener wet ctr creen t detenta 3 106 50 Number of Rings to
189. led by the PQC command Default 1 Reserved 2 Forces the use of the full startup procedures on the next and subsequent connections independent of the setting of the PQC command Result Codes OK 0 2 in V 92 Mode MS V 92 ERROR Otherwise Reporting Selected Values Command PSS Response PSS value Example PSS 0 For the default lt value gt Reporting Supported Range of Parameter Values Command PSS Response PSS lt value gt range Example PSS 0 1 2 3 102 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual QCPC Force Full Startup Procedure Next Connection This command causes the modem to use full startup procedures on the next connection attempt regardless of the setting of the PQC command After this attempt the modem will select the startup procedure as defined by the PQC command If a shortened startup procedure is enabled by the PQC command then the quick connect profile will also be updated on the next connection attempt Syntax QCPC Result Code OK In V 92 Mode MS V 92 ERROR Otherwise QCPS Enable Quick Connect Profile Save This command controls whether or not the modem will save the generated quick connect profile Syntax QCPS lt value gt Defined Values lt value gt Decimal number corresponding to the desired operation 0 Do not allow the quick connect profile to be saved 1 Allow the quic
190. lue or values stored or tested to determine whether or not the equipment implements the parameter and the ranges of values supported 2 3 Basic Syntax Commands 2 3 1 Basic Syntax Command Format The format of Basic Syntax commands except for the D and S commands is as follows lt command gt lt number gt 2 2 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 2 3 2 where lt command gt is either a single character or the amp character followed by a single character per V 250 In addition lt command gt can be the character followed by a single character the character followed by a single character or character followed by a single character lt number gt may be a string of one or more characters from 0 through 9 representing a decimal integer value Commands that expect a lt number gt are noted in the description of the command If a command expects lt number gt and it is missing lt command gt is immediately followed in the command line by another command or the termination character the value 0 is assumed If a command does not expect a number and a number is present an ERROR is generated leading 0 s in lt number gt are ignored by the modem Additional commands may follow a command and associated parameter if any on the same command line without any character required for separation The actions of some commands cau
191. me in seconds that the modem will wait for carrier before hanging up The timer is started when the modem finishes dialing originate or 2 seconds after going off hook answer In originate mode the timer is reset upon detection of answer tone if allowed by country restrictions 2 Setsthe length of time in seconds that modem will wait for silence when encountering the 0 dial modifier before continuing with the next dial string parameter 3 Setsthe length of time in seconds that the modem will wait for dial tone when encountering a W dial modifier before continuing with the next dial string parameter US models Range 1 255 seconds Default 50 102184B Conexant 3 107 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 58 Pause Time For Dial Delay S8 sets the time in seconds that the modem must pause when the dial modifier is encountered in the dial string Range 2 255 seconds Default 2 59 Carrier Detect Response Time S9 is supported for backwards compatibility only No value can be written Responds with default value Range 6 tenths of a second Default 6 0 6 second 10 Lost Carrier To Hang Up Delay S10 sets the length of time in tenths of a second that the modem waits before hanging up after a loss of carrier This allows for a temporary carrier loss without causing the local modem to disconnect When register 510 is set to 255 the modem fun
192. n hold 3 100 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual PQC V 92 Phase 1 and Phase 2 Control This command controls the global enabling or disabling of the V 92 shortened Phase 1 and Phase 2 startup procedures This command is used in conjunction with the PSS command Syntax PQC lt value gt Defined Values lt value gt Decimal number corresponding to the selected setting 0 Enable Short Phase 1 Short Phase 2 Short Phase 3 and Short Phase 4 Default 1 Not supported 2 Enable Short Phase 1 only 3 Disable all Short Phases Result Codes OK 0 2 or 3 in V 92 Mode MS V 92 ERROR Otherwise Reporting Selected Values Command PQC Response PQC lt value gt Example PQC 0 Reporting Supported Range of Parameter Values Command PQC Response PQC lt value gt range Example 0 1 3 102184B Conexant 3 101 AT Commands for 1801 06833 81300 06827 Modems Reference Manual PSS Use Short Sequence This command causes a calling modem to force either a V 92 short or full startup sequence as defined by the PQC command on the next and subsequent connections Syntax PSS lt value gt Defined Values lt value gt Decimal number corresponding to the selected sequence 0 The modems decide whether or not to use the short startup procedures The short startup procedures can only be used if enab
193. n this section are based on V 250 and V 253 with additional information included for implemented extensions behavioral differences beyond V 250 and legacy commands Alphabet The T 50 International Alphabet 5 IA5 is used in this document Only the low order seven bits of each character are significant to the modem any eighth or higher order bit s if present are ignored for the purpose of identifying commands and parameters Lower case characters are considered identical to their upper case equivalents when received by the modem from the DTE Result codes from the modem are in upper case DTE Commands Lines Words enclosed in lt angle brackets gt are references to syntactical elements The brackets are not used when the words appear in a command line the brackets are not used Words enclosed in square brackets represent optional items which may be omitted from the command line at the specified point The square brackets are not used when the words appear in the command line Other characters that appear in syntax descriptions must as included as shown Any modem responses are mentioned in terms of their alphabetic format the actual response issued will depend on the setting of parameters that affect response formats e g Q and V commands see 2 7 Command Line General Format A command line is made up of three elements the prefix the body and the termination character The command line prefix consists of the characters AT
194. ncluding silence compression 2 4 or 8 lt tm gt Decimal number 0 reporting the time interval in units of 0 1 second between timing marks A value of 0 reports that timing marks are not supported lt vsr gt lt range of values gt containing the supported range of voice samples per second of the analog signal 8000 scs range of values containing the supported range of sensitivity settings for voice receives 0 A 0 indicates not supported lt sel gt lt range of values gt containing the supported range of expansion values for voice transmits 0 A 0 indicates not supported Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Example 1 UNSIGNED PCM 8 0 8000 0 0 129 IMA ADPCM 4 0 8000 0 0 130 UNSIGNED PCM 8 0 8000 0 00 140 2 Bit ADPCM 2 0 8000 0 0 141 4 Bit ADPCM 4 0 8000 0 0 OK Result Codes OK Valid range ERROR Otherwise or if not in Voice Mode VTD Beep Tone Duration Timer This command causes the modem to set the default DTMF tone generation duration Syntax VTD lt dur gt Defined Values lt dur gt Decimal number specifying the default DTMF tone generation duration in units of 0 01 second A value of 0 specifies the value entered by the S11 parameter 50 255 ms The range is 0 01 to 2 55 seconds for dur 1 to 255 Reporting Current or Selected Values Command VTD Response Example 100 For the defa
195. nclusive and the third subparameter accepts any of the values 0 4 5 6 9 11 or 12 102184B Conexant 2 11 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual This page is intentionally blank Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 3 Data Command Set 3 1 Command Guidelines The commands used to control and report modem operation in data modem mode are defined in this section The Data Modem Mode commands and responses described in this section are applicable when command FCLASS 0 See Section 3 2 1 for the definition of the FCLASS command The default values are typical of a fully configured modem supporting all data rates and options The actual default value is dependent upon installed modem firmware and country specific parameters Commands are accepted by the modem once the previous command has been fully executed which is normally indicated by the return of an appropriate result code Execution of commands D and A either as a result of a direct command or a re execute command will be aborted if another character is entered before completion of the handshake 3 1 1 Escape Code Sequence When the modem has established a connection and has entered on line data mode it is possible to break into the data transmission in order to issue further commands to the modem in an on line command mode This is achieved by the DTE sending to t
196. nd state and online command state back to the DTE depending on the setting of the E command If enabled characters received from the DTE are echoed in the same format as received Invalid characters in the command line or incomplete or improperly formed command line prefixes may not be echoed 2 2 4 Repeating a Command Line If the prefix A or a 18 received the modem immediately executes once again the body of the preceding command line No editing is possible and no termination character Is necessary A command line may be repeated multiple times in this manner Responses to the repeated command line are issued using format of the original command line If 18 received before any command line has been executed the preceding command line is assumed to have been empty that results in an OK result code 2 2 5 Types of DTE Commands There are two types of commands action commands and parameter commands Commands of either type may be included in command lines in any order Action commands may be executed to invoke a particular function of the equipment which generally involves more than the simple storage of a value for later use or tested to determine whether or not the equipment implements the action command and if subparameters are associated with the action the ranges of subparameter values that are supported Parameters may be set to store a value or values for later use read to determine the current va
197. nd tested Parameters may take either a single value or multiple compound values Each value may be either numeric or string the definition of the parameter will specify the type of value for each subparameter Attempting to store a string value in a numeric parameter or a numeric value in a string parameter is an error 2 6 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Parameter Set Command Syntax The definition of the parameter indicates for each value whether the specification of that value is mandatory or optional For optional values the definition indicates the assumed default value if none is specified the assumed value may be either a previous value i e the value of an omitted subparameter retains its previous value or a fixed value e g the value of an omitted subparameter is assumed to be zero Generally the default value for numeric parameters is 0 and the default value for string parameters is empty string The following syntax is used for parameters that accept a single value lt name gt lt value gt The following syntax is used for parameters that accept more than one value lt name gt lt compound_value gt For each implemented parameter if all mandatory values are specified and all values are valid according to the definition of the parameter the specified values are stored If lt name gt is not recognized one or m
198. ne Line is Not Connected to Modem If an ATDT ATDP or ATDL is issued while Line In Use detection 18 enabled and the telephone line is not connected the modem will go off hook momentarily go back on hook then respond with NO LINE message Extension Pick up Enabled by AT STE 2 AT STE 3 AT STE 6 or AT STE Case 1 Modem off hook Local Handset Goes Off Hook If the local handset goes off hook while the modem is in a data connection the local handset will be muted The modem will then send a GSTN Cleardown to the remote modem and then go on hook The modem will then send an OFF HOOK INTRUSION message to the DTE A result code of 25 will be left in S86 register After 2 seconds the local handset will be connected to the telephone line so the user hears the dial tone 102184B Conexant 3 51 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Case 2 Modem off hook Extension Pick up If the modem is connected and another extension goes off hook the modem will send a GSTN Cleardown to the remote modem and then immediately hang up Due to the noise possibly being added to the line when a telephone extension is picked up a GSTN Cleardown may or may not successfully be received by the remote mode If the GSTN Cleardown is not received successfully by the remote modem the remote modem may attempt a retrain until the retrain fails and the remote modem drops the line In any case the modem will sen
199. ntionally blank 3 128 Conexant 102184B Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 4 Fax Class 1 and Fax Class 1 0 Commands 4 1 Fax 1 0 Processing The fax I O interface supports asynchronous serial and parallel interfaces The character format is 8 bits data no parity and 1 stop bit Start and stop elements are removed from the transmit data and added to the receive data Both transmit and receive data are buffered Flow control using XON XOFF or RTS CTS is provided Unique control character strings are identified filtered or reinserted into the I O data stream These control characters and their resultant action are described below 4 1 1 DTE to Modem Transmit Data Stream Characters Detected Action Taken lt DLE gt lt data gt Delete lt DLE gt lt data gt characters lt DLE gt lt ETX gt Recognize as a string terminator and take appropriate action lt DLE gt lt DLE gt Replace with single lt DLE gt character 4 1 2 Modem to DTE Receive Data Stream Characters Detected Action Taken lt DLE gt Insert extra lt DLE gt ahead of lt DLE gt The modem also identifies the end of a frame by inserting lt DLE gt lt ETX gt into the data stream after the FCS bytes 4 1 3 Fax Mode Selection Fax Class 1 and Fax Class 1 0 commands are identified in Table 4 1 Fax Class 1 0 includes all Fax Class 1 commands 102184B Conexant 4 1 AT Commands for 1801 06833 81300 06
200. o the selected modulation mode and data rates shown in Table 4 2 Table 4 2 Fax Class 1 and Fax Class 1 0 Modulation Modes and Rates lt mod gt Modulation Training Modulation Mode and Rate 3 V 21 300 bps 24 V 27 ter 2400 bps 48 V 27 ter 4800 bps 72 V 29 7200 bps 73 V 17 long 7200 bps long 74 V 17 short 7200 bps short 96 V 29 9600 bps 97 V 17 long 9600 bps long 98 V 17 short 9600 bps short 121 V 17 long 12000 bps long 122 V 17 short 12000 bps short 145 V 17 long 14400 bps long 146 V 17 short 14400 bps short Result Codes CONNECT Reported when the modems begins the training sequence after receipt of a valid lt mod gt value ERROR If the modem s transmit buffer becomes empty and the last transmitted character is NUL 00 the modem continues to transmit NULs until the DTE sends more data or five seconds elapses After five seconds elapse with a empty transmit buffer the modem will turn off the transmit carrier return to the command state and report the ERROR result code OK If the modem s transmit buffer becomes empty and the last transmitted character is was not NUL the modem will turn off the transmit carrier return to the command state and report the OK result code Conexant 4 9 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Reporting Current or Selected Values Command FTM Response mod Exampl
201. of RS 232 cable One CD One Adapter If any of these items are missing or damaged please contact your dealer or sales representative for assistance 3 Installation 3 1 Hardware Installation Do not power on your modem before your finished the following installation 1 Plug the male end of the RS 232 cable into the connector marked RS 232 3 on the back of the modem 2 Plug the other end of this cable into the serial port on the back of your computer 3 Plug the power cable into the AC IN or POWER connector 4 on the back of the modem 4 Plug the power adapter into a wall outlet 5 Plug one end of the phone cable into the modem LINE jack Plug the other end into the phone outlet 6 To use telephone and the modem on the same line plug one end of the optional phone cable into the PHONE jack 1 on the modem plug the other end into the phone Lift the telephone handset and listen for a DIALTONE to check the connection 7 Turn your modem on G The POWER lights should light up 8 Turn your computer on 3 2 Driver Installation 3 2 1 Installation Procedures for Windows 64 bits XP Win7 Vista If your computer is using Windows 64 bits XP Win7 Vista please open and browse the related folder of CD e g F Driver Win7_64 There is a INF file in the related folder for installation You may refer to these following steps to install 1 After Hardware Installation switch on your computer and insert the
202. om in the buffer the modem discards all data in that frame If the modem receives any character from the DTE after the FRH command except flow control characters if software flow control is in effect or if the modem detects a high to low transition of the DTR signal while amp D1 is in effect it sends lt DLE gt lt ETX gt to the DTE generates OK result code and returns to command mode The receive buffer is cleared and all data received from the remote is discarded If the modem detects a DTR drop while amp D2 is in effect it goes on hook sends lt DLE gt lt ETX gt to the DTE generates OK result code and returns to command mode If the modem detects a DTR drop while amp D3 is in effect the modem performs a warm reset Fax Data Transmission Fax data transmission is initiated by the AT FTM lt mod gt command After this command is issued the modem generates the CONNECT message and transmits carrier in the modulation scheme specified by the parameter n The modem then transmits constant bits for a minimum of one second and continues to transmit constant 1 bits until it receives a character from the DTE When data is received from the DTE the modem deletes start and stop bits and deletes all lt DLE gt lt chr gt character pairs before transmitting the data to the remote Each lt DLE gt lt DLE gt sequence is transmitted as a single DLE lt DLE gt lt ETX gt is considered 4 4 Conexant 102184B AT Commands for CX
203. ommand setting 2 result text may be transmitted as a number or as a string also depending on a the V command setting 102184B Conexant 2 9 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 2 7 2 Result Code Types There are three types of result codes final intermediate and unsolicited Result codes are described in Section 3 4 1 A final result code indicates the completion of a full modem action and a ability to accept new commands from the DTE 2 An intermediate result code is a report of the progress of an modem action The CONNECT result code is an intermediate result code In the case of a dialing or answering command the modem switches from command state to online data state and issues a CONNECT result code This is an intermediate result code for the modem because it cannot accept commands from the DTE while in online data state When the modem switches back to the command state it then issues a final result code such as OK or NO CARRIER 3 Unsolicited result codes such as RING indicate the occurrence of an event not directly associated with the issuance of a command from the DTE Extended Syntax Result Codes Extended syntax result codes may be issued in response to either basic or extended commands or both The appropriate responses are specified in the definitions of the commands the responses or both The general format of extended syntax result codes is t
204. on codes For the SmartACF and SCXXD the codes are in the form RevisionName Modulation Model where RevisionName product family name firmware version i e ACF3 The firmware version is in the form VX XXX Example ACF3 V1 000 Modulation V90 V34 or V32 for V 92 V 90 V 34 or V 32bis respectively Model Identifies RAM ROM configuration For the SmartV XX and SMXXD the codes are in the form RevisionName Modulation where RevisionName masked firmware code version Example CX81801 Modulation V90 V34 or V32 for V 90 V 34 or V 32bis respectively Examples ACF3 1 000 90 P21 FSH CX81801 V90 Note If RPI is enabled see Hn ROCKWELL RPI TM MODEM 01 is appended 3 6 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 4 Reports OEM defined identifier string in either Hayes compatible binary format default or ASCII format selectable by ConfigurACE e g a007040284C6002F bC60000000 1005111151012000 r300011 1170000000 5 Reports Country Code parameter see 6 Reports modem data pump model and internal code revision Example RCV56DPF PLL L8773A Rev 62 01 62 01 7 Reports OR Result Codes OK value 0 7 ERROR Otherwise GMI Request Manufacturer Identification This command causes the modem to report the modem product manufacturer Syntax GMI Typical Response GMI CONEXANT OK GMI9
205. on is established in a facsimile mode 35 DATA A data modem connection is established in a facsimile mode 40 MRR 300 The modem has connected to the line at 300 bps and carrier reporting is enabled See S95 and Xn 44 MRR 1200 75 The V 23 backward channel carrier is detected and carrier reporting is enabled See S95 and Xn 45 MRR 75 1200 The V 23 forward channel carrier is detected and carrier reporting is enabled See S95 and Xn 46 MRR 1200 The modem has connected to the line at 1200 bps and carrier reporting is enabled See S95 and Xn 47 MRR 2400 The modem has connected to the line at 2400 bps and carrier reporting is enabled See S95 and Xn 48 MRR 4800 The modem has connected to the line at 4800 bps and carrier reporting is enabled See S95 and Xn 49 MRR 7200 The modem has connected to the line at 7200 bps and carrier reporting is enabled See S95 and Xn 50 MRR 9600 The modem has connected to the line at 9600 bps and carrier reporting is enabled See S95 and Xn 51 MRR 12000 The modem has connected to the line at 12000 bps and carrier reporting is enabled See S95 and Xn 52 MRR 14400 The modem has connected to the line at 14400 bps and carrier reporting is enabled See S95 and Xn 53 MRR 16800 The modem has connected to the line at 16800 bps and carrier reporting is enabled See S95 and Xn 54 MRR 19200 The modem has connected to the line at 19200 bps and carrier reporting is enabled
206. ore mandatory values are omitted or one or more values are of the wrong type or outside the permitted range the modem issues the ERROR result code and terminates processing of the command line An ERROR is also generated if too many values are specified In case of an error all previous values of the parameter are unaffected Parameter Read Command Syntax The DTE may determine the current value or values stored in a parameter by using the following syntax lt name gt The modem responds by sending the current values stored for the parameter to the DTE in an information text response The format of this response is described in the definition of the parameter Generally the values are sent in the same form in which they would be issued by the DTE in a parameter setting command if multiple values are supported they will generally be separated by commas as in a parameter setting command Parameter Test Command Syntax The DTE may test if a parameter is implemented in the modem and determine the supported values by using the syntax lt name gt If the modem does not recognize the indicated name it returns an ERROR result code and terminates processing of the command line If the modem does recognize the parameter name it returns an information text response to the DTE followed by an OK result code The information text response indicates the values supported by the modem for each such subparameter and possibly additional in
207. other mechanism or a fixed value e g the value of an omitted subparameter is assumed to be zero Generally the default value for numeric subparameters is 0 and the default value for string subparameters is empty string The following syntax is used for actions that have no subparameters lt name gt 102184B Conexant 2 5 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 2 4 4 The following syntax is used for actions that have one subparameter lt name gt lt value gt The following syntax is used for actions that have two or more subparameters lt name gt lt compound_value gt For actions that accept subparameters if all subparameters are defined as being optional and the default values for all subparameters are satisfactory the data terminal equipment DTE may use the first syntax above i e omit the from the action execution command as well as all of the subparameter value string If all other relevant criteria are met e g the modem is in the proper state the command is executed with any indicated subparameters If lt name gt is not recognized the modem issues the ERROR result code and terminates processing of the command line An ERROR is also generated if a subparameter is specified for an action that does not accept subparameters if too many subparameters are specified if a mandatory subparameter is not specified if a value is specified of the wrong typ
208. otiated by the remote DCE as specified in lt direction gt Default 1 Disconnect if V 44 is not negotiated by the remote DCE as specified in lt direction gt Decimal number that specifies the use of stream method packet method multi packet method 0 Stream method Default 1 Packet method 2 Multi packet method Decimal number from 256 to 2048 that specifies the maximum number of codewords which should be negotiated in the transmit direction Default 2048 Decimal number from 256 to 2048 that specifies the maximum number of codewords which should be negotiated in the receive direction Default 2048 Decimal number from 32 to 255 that specifies the maximum string length to be negotiated in the transmit direction Default 32 Decimal number from 32 to 255 that specifies the maximum string length to be negotiated in the receive direction Default 32 Decimal number from 2048 to 4096 that specifies the maximum size of the history buffer to be negotiated in the transmit direction Default 4096 Decimal number from 2048 to 4096 that specifies the maximum size of the history buffer to be negotiated in the receive direction Default 4096 3 74 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Reporting Current or Selected Values Command DS44 Response DS44 lt direction gt lt compression_negotiation gt lt capability gt max codewords
209. p C RLSD DCD Option The modem controls the RLSD output in accordance with the parameter supplied The parameter value if valid is written to 21 bit 5 Syntax amp C lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 RLSD remains ON at all times 1 RLSD follows the state of the carrier Default Result Codes OK 0 or 1 ERROR Otherwise amp D DTR Option This command interprets the ON to OFF transition of the DTR signal from the DTE in accordance with the parameter supplied The parameter value if valid is written to S21 bits 3 and 4 Also see S25 Syntax amp D lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 DTR drop is interpreted according to the current amp Qn setting as follows amp Q0 amp Q5 amp Q6 DTR is ignored assumed ON Allows operation with DTEs which do not provide DTR amp 01 DTR drop causes the modem to hang up Auto answer is not affected amp Q2 amp Q3 DTR drop causes the modem to hang up Auto answer is inhibited 3 24 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual DTR drop is interpreted according to the current amp Qn setting as follows amp Q0 amp Q1 amp Q5 amp Q6 DTR drop is interpreted by the modem as if the asynchronous escape sequence had been entered The modem returns to asynchronous command s
210. pace Character S5 sets the character recognized as a backspace Pertains to asynchronous operation only The modem will not recognize the Backspace character if it is set to a value that is greater than 32 ASCII This character can be used to edit a command line When the echo command is enabled the modem echoes back to the local DTE the Backspace character an ASCII space character and a second Backspace character this means a total of three characters are transmitted each time the modem processes the Backspace character Range 0 32 ASCII decimal Default 8 Backspace S6 Wait Time before Blind Dialing or for Dial Tone S6 operation 1s country dependent 1 Setsthe length of time in seconds that the modem will wait before starting to dial after going off hook when blind dialing This operation however may be affected by some ATX options according to country restrictions The Wait for Dial Tone call progress feature W dial modifier in the dial string will override the value in register S6 US models 2 Setsthe length of time in seconds that the modem will wait for dial tone when encountering a dial modifier before returning NO DIAL TONE result code W class The modem always pauses for a minimum of 2 seconds even if the value of S6 is less than 2 seconds Range 2 255 seconds Default 2 57 Wait Time for Carrier Silence or Dial Tone 57 operation 1s country dependent 1 Sets the length of ti
211. port the DTE speed upon connecting 134 MCR B103 The modem has connected to the line with Bell 103 modulation and modulation reporting is enabled See MR S95 and Xn 135 MCR B212 The modem has connected to the line with Bell 212 modulation and modulation reporting is enabled See MR S95 and Xn 136 MCR V21 The modem has connected to the line with ITU T V 21 modulation and modulation reporting is enabled See MR S95 and Xn 137 MCR V22 The modem has connected to the line with ITU T V 22 modulation and modulation reporting is enabled See MR S95 and Xn 138 MCR V22B The modem has connected to the line with ITU T V 22 bis modulation and modulation reporting is enabled See MR S95 and Xn 139 MCR V23 The modem has connected to the line with ITU T V 23 modulation and modulation reporting is enabled See MR S95 and Xn 140 MCR V32 The modem has connected to the line with ITU T V 32 modulation and modulation reporting is enabled See MR S95 and Xn 141 MCR V32B The modem has connected to the line with ITU T V 32 bis modulation and modulation reporting is enabled See MR S95 and Xn 142 MCR V34 The modem has connected to the line with ITU T V 34 modulation and modulation reporting is enabled See MR S95 and Xn 144 MCR K56 The modem has connected to the line with K56flex modulation and modulation reporting is enabled See MR S95 and Xn 145 MCR V90 The modem has connected to the line wit
212. pound Values Actions may have more than one subparameter associated with them and parameters may have more than one value These are known as compound values and their treatment is the same in both actions and parameters A compound value consists of any combination of numeric and string values as defined in the description of the action or parameter The comma character must be included as a separator before the second and all subsequent values in the compound value If a value is not specified i e defaults assumed the required comma separator must be specified however trailing comma characters may be omitted if all associated values are also omitted 2 4 3 Action Commands Action Execution Command Syntax There are two general types of action commands those that have associated subparameter values that affect only that invocation of the command and those that have no subparameters If subparameters are associated with a command the definition of the action command indicates for each subparameter whether the specification of a value for that subparameter is mandatory or optional For optional subparameters the definition indicates the assumed default value for the subparameter if no value is specified for that subparameter the assumed value may be either a previous value 1 6 the value of an omitted subparameter remains the same as the previous invocation of the same command or is determined by a separate parameter or
213. pt Delay EPD 0 255 0 02 s 2 50 514 General Bit Mapped Options Status 138 8Ah 516 Test Mode Bit Mapped Options Status 0 517 Point of Sale Options Selection 0 19 Reserved 0 520 Reserved 0 21 V 24 General Bit Mapped Options Status 52 34h 22 Speaker Results Bit Mapped Options Status 117 75h 23 General Bit Mapped Options Status 0 24 Sleep Inactivity Timer 0 255 5 0 525 Delay to Off 0 255 sor0 01s 5 526 RTS to CTS Delay 0 255 0 01s 1 27 General Bit Mapped Options Status 73 49h 28 General Bit Mapped Options Status 0 29 Flash Dial Modifier Time 0 255 10 ms 70 30 Disconnect Inactivity Timer 0 255 10s 0 31 General Bit Mapped Options Status 192 COh 536 Failure Control 7 538 Delay Before Forced Hangup 0 255 5 20 539 Flow Control Bit Mapped Options Status 3 840 General Bit Mapped Options Status 104 68h 541 General Bit Mapped Options Status 5 195 C3h S46 Data Compression Control 5 138 S48 V 42 Negotiation Control 7 S86 Call Failure Indication 0 26 21 S91 PSTN Transmit Attenuation Level 0 15 dBm 10 Country dependent 592 Fax Transmit Attenuation Level 0 15 dBm 10 Country dependent 95 Extended Result Codes Control d 0 5210 V 34 Symbol Rate 0 255 13 0Dh Register value may be stored in one of two user profiles with the amp W command Default values may be modified using ConfigurACE 102184
214. quivalent decimal values 10 through 15 Binary numeric constants consist of a sequence of one or more of the characters 0 and 1 In all numeric constants the most significant digit 16 specified first Leading 0 characters are ignored by the modem No spaces hyphens periods commas parentheses or other generally accepted numeric formatting characters are permitted in numeric constants note in particular that no suffix is appended to the end of hexadecimal constants 2 4 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual String Constants String constants consist of a sequence of displayable IA5 characters each in the range from 2 0 to 7 15 inclusive except for the characters IA5 2 2 and 1 5 5 12 String constants are bounded at the beginning and end by the double quote character IAS 2 2 Any character value may be included in the string by representing it as a backslash V character followed by two hexadecimal digits For example is a string consisting of the single character lt CR gt IA5 0 13 If the character itself 15 to be represented in a string it is encoded as 5C The double quote character used as the beginning and ending string delimiter is represented within a string constant as 22 A null string constant or a string constant of zero length 18 represented by two adjacent delimiters Com
215. r 1801 06833 81300 06827 Modems Reference Manual ER lt type gt The ER lt type gt reported represents the current negotiated or renegotiated modem modem error control type If enabled the intermediate result code is transmitted at the point during error control negotiation handshaking at which the modem has determined which error control protocol will be used if any before the final result code e g CONNECT is transmitted The format of this result code is The ER intermediate result code if enabled is issued after the Modulation report MCR and MRR and before the Data Compression Report DR Syntax ER lt type gt Defined Values lt type gt An alphanumeric code corresponding to the selected protocol NONE Error control is not in use LAPM V 42LAPM protocol is in use ALT MNPis inuse Example ER LAPM 3 68 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual ETBM Call Termination Buffer Management This extended format compound parameter controls the handling of data remaining in modem buffers upon call termination It accepts three numeric subparameters Syntax ETBM lt pending TD gt lt pending RD gt lt timer gt Defined Values lt pending TD gt Decimal number 0 specifying that disconnect will occur immediately and all buffered transmit data will be discarded when the local DTE requests call disconnection
216. r Summary iirin 3 105 Table 3 16 Result Code Definitions essere nennen rnnt nnn tnter netiis tria tette tata 3 123 Table 4 1 Fax Class 1 and Fax Class 1 0 5 2 222 tnnt 4 2 Table 4 2 Fax Class 1 and Fax Class 1 0 Modulation Modes and Rates 4 9 Table 4 3 Inactivity Timer Start and Stop Events sse netten nnns Table 4 4 Fax Class 1 Calling Sequence Transmitting a Single Page Table 4 5 Fax Class 1 Answering Sequence Receiving a Single Page Table 5 1 Voice Commands d Table 5 2 Supported DLE Shielded Codes Sent to the DTE Table 5 3 Supported DLE Shielded Codes Sent to the Modem DCE senes 5 3 Table 5 4 VNH Command Behavior entente tenente teet tenet tetris 5 4 Table 5 5 eVES Command Options e cette e n tee e tele e o RE RR ER e eed 5 13 Table 5 6 Events Detectable in the Voice Mode per V 253 5 14 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Revision History Incorporated in Doc No 102184B 1 Section 3 2 1 Revised command description 2 Section 3 2 4 Del
217. r neg max dict max string Example DS 3 0 2048 32 for the defaults and 2048 entry max dictionary Reporting Supported Range of Parameter Values Command DS Response DS lt direction gt range lt compr_neg gt range lt max_dict gt range lt max_string gt range Example 08 0 3 0 2048 32 102184B Conexant 3 73 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 40544 V 44 Compression Select This extended format compound parameter controls the V 44 data compression function Syntax DS44 lt direction gt lt compress_negotiation gt lt capability gt lt max_codewords_tx gt lt max_codewords_rx gt lt max_string tx gt lt max_string rx gt lt max_history_tx gt lt max_history_rx gt Defined Values lt direction gt lt compress_negotiation gt lt capability gt lt max_codewords_tx gt lt max_codewords_rx gt max string tx max string rx max history tx max history rx Decimal number that specifies the desired direction s of operation of the data compression function from the DTE point of view 0 Negotiated no compression 1 Transmit only 2 Receive only 3 Both directions accept any direction Default Decimal number that specifies whether or not the modem should continue to operate if the desired result is not obtained 0 Do not disconnect if V 44 is not neg
218. rable form or preconfigured form Consult the specific firmware release notes for exact configuration information Reconfigurable Form The modem MCU firmware can be configured for operation in specific countries by the PC compatible ConfigurACE II program The call progress and blacklisting parameters described in the ConfigurACE II User s Manual can be altered and loaded for a number of countries by this program Preconfigured Form Specific MCU firmware configurations may be released that can be directly installed without requiring the use of ConfigurACE II 102184B Conexant 1 1 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 1 1 4 ConfigurACE 11 for Windows Utility Program The PC based ConfigurACE II for Windows utility program allows the OEM to customize SmartACF and SmartA CFL modem firmware to suit specific application and country requirements ConfigurACE II for Windows allows programming of functions such as e Loading of multiple sets of country parameters e Loading of NVRAM factory profiles e Call progress and blacklisting parameters e Entry of S parameter maximum minimum default values e Limitation of transmit levels e Modification of factory default values e Customization of the ATI4 response e Customization of fax OEM messages e Enabling of Telephony Extension features e Direct Mode This program modifies the hex object code which can be programmed directly into the system
219. rameter value if valid is written to S14 bit 1 Syntax E lt value gt Defined Values lt value gt Decimal number corresponding to the option 0 Disables command echo 1 Enables command echo Default Result Codes OK value 0 or 1 ERROR Otherwise Q Quiet Results Codes Control The command enables or disables the sending of result codes to the DTE The parameter value if valid is written to 514 bit 2 Syntax Q lt value gt Defined Values lt value gt Decimal number corresponding to the option 0 Enables result codes to the DTE Default 1 Disables result codes to the DTE Result Codes OK lt value gt 0 or 1 ERROR Otherwise 102184B Conexant 3 17 AT Commands for 1801 06833 81300 06827 Modems Reference Manual V Result Code Form This command selects the sending of short form or long form result codes to the DTE The parameter if valid is written to S14 bit 3 Syntax V lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Enables short form terse result codes Line feed is not issued before a short form result code 1 Enables long form verbose result codes Default Result Codes OK lt value gt 0 or 1 ERROR Otherwise W Connect Message Control This command in conjunction with S95 bits 0 2 3 and 5 bits 2 3 and 5 can be written directly by the host or by the MR ER and commands
220. ranted 13 MOH with indefinite timeout Granted Result Codes OK 0 13 in V 92 Mode MS V92 ERROR Otherwise 102184B Conexant 3 99 AT Commands for 1801 06833 81300 06827 Modems Reference Manual PIG PCM Upstream Ignore This command controls the selection of PCM upstream in the modem The actual state of PCM upstream is determined by the state of this command as well as the state of a negotiated handshake with a V 92 compliant server in V 92 Mode Syntax PIG lt value gt Defined Values lt value gt Decimal number corresponding to the selected operation 0 Enable PCM upstream negotiation 1 Disable PCM upstream negotiation Default Result Codes OK 0 or 1 in V 92 Mode MS V 92 ERROR Otherwise Reporting Selected Value s Command PIG Response PIG lt value gt Example 1 For the default setting Reporting Supported Range of Parameter Values Command PIG Response PIG lt value gt range Example PCW 0 1 V 92 Modem on Hold Hook Flash This command causes the modem to initiate the flash hook sequence when in the modem on hold procedure This enables switching to the second call incoming or outgoing This command applies only to V 92 modem on hold There are no parameters associated with this command Syntax PMHF Result Code OK When the modem completes the flash hook sequence ERROR If this command is initiated and the modem is not o
221. rd but is not a full V 80 implementation The V 80 protocol supported is described below Portions of the V 80 protocol not described are not supported Please refer Section 7 of the ITU T V 80 standard for more details Syntax IBC lt IB gt lt 105 gt lt 106 gt lt 107 gt lt 108 gt lt 109 gt lt 110 gt lt 125 gt lt 132 gt lt 133 gt lt 135 gt lt 142 gt lt hook gt Defined Values lt IB gt Enables or disables in band control sequence 0 Disable in band control sequences 1 Enable 7 bit in band control sequences Ignore eighth bit 2 Enable 8 bit in band control sequences lt 105 gt Enables or disables V 24 circuit type 105 RTS Ready to Send 0 Disable in band reporting for this circuit 1 Enable in band reporting for this circuit lt 106 gt Enables or disables the circuit type 106 CTS Clear to Send 0 Disable in band reporting for this circuit 2 Enable in band reporting for this circuit lt 125 gt Enables or disables the circuit type 125 RI Ring Indicate 0 Disable in band reporting for this circuit 1 Enable in band reporting for this circuit lt other gt Not supported leave 0 for the unsupported circuit types lt hook gt Not supported leave 0 Reporting Current or Selected Values Command IBC Response IBC lt value gt lt value gt lt value gt 0 0 0 0 lt value gt 0 0 0 0 0 Example IBC 0 0 0 0 0 0 0 0 0 0 0 0 0 Reporting Supported Range of Parameter Values Comman
222. rors were detected The modem then returns to command mode The modem concludes an error is detected 1f carrier is lost for any period of time during or before the reception of a frame If carrier is lost for a time period longer than the time specified by the register 510 the modem finishes delivering the data in the receive buffer if any to the DTE sends lt DLE gt lt ETX gt generates the ERROR message and returns to command mode subsequent data received from the remote is discarded If the modem detects a frame abort sequence seven consecutive ones with no zero insertion while it is waiting for a frame beginning flag it was receiving HDLC flags it will wait for the HDLC flags again until either carrier 18 lost or the DTE aborts the process by sending an abort character or by dropping DTR with amp D2 in effect If the frame abort sequence 18 detected while the modem is receiving a frame it finishes delivering the data in the receive buffer if any to the DTE sends lt DLE gt lt ETX gt generates the ERROR message and returns to command mode The modem keeps looking for HDLC flags followed by more data from the remote with the selected modulation scheme If the modem detects a receive buffer overflow condition it concludes that there was an FCS error in that frame The modem will receive more frames only if a starting flag is detected and there is room in the receive buffer If a starting flag is detected and there 15 no ro
223. rrier from the remote modem before hanging up Range 1 255 Default 50 Seconds Country dependent Pause Time For Dial Delay The time to pause for the pause dial modifier Range 2 255 Default 2 Seconds Country dependent Carrier Detect Response Time The time a signal is detected an qualified as a carrier This timing lets your modem ignore spurious signals that are the same frequency as the carrier Higher S9 values reduce the Range 1 255 6 tenths of a second Default 6 0 6 seconds 510 511 Lost Carrier Hang Up Delay The time the modem waits before hanging up for carrier loss Range 1 255 tenths of a second Default 14 1 6 seconds DTMF Tone Duration The time for DTMF tone b ng and the time between the tone spacing Range 50 255 Default 95 95 ms country dependet Commands for 1 SmartV Xx C lt KXO06833 SMXXD CX lt X81300 SmartACF and CK 065827 SCXXD Modems Reference Manual Doc No 102184B gt 5 CONEXA July 1 2003 E AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual Revision Record Revision Date Comments B 7 1 2003 Rev B release A 5 23 2003 Initial release 2003 Conexant Systems Inc All Rights Reserved Information in this document is provided in connection with Conexant Systems Inc Conexant products These materials are provided by Conexant as a service to
224. s one of the two possible user profiles The defaults shown are those used by Conexant in factory profiles zero and one These may be overwritten by the OEM with ConfigurACE prior to placing the firmware in PROM Minimum and maximum values may also be imposed by ConfigurACE in response to country PTT requirements 3 104 Conexant 102184B AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual The default values shown in Table 3 15 may vary by modem firmware configuration Consult the MCU firmware release notes for exact configuration The factory default values may be loaded at any time by entering the amp Fn command Table 3 15 S Parameter Summary Register Function Range Unis Sava 50 Rings to Auto Answer 0 255 rings 5 0 51 Ring Counter 0 255 rings 0 2 Escape Character 0 255 ASCII 43 S3 Carriage Return Character 0 127 ASCII 13 S4 Line Feed Character 0 127 ASCII 10 S5 Backspace Character 0 255 ASCII 8 S6 Wait Time before Blind Dialing or for Dial Tone 2 255 S 5 2 57 Wait Time for Carrier Silence or Dial Tone 1 255 5 3 50 58 Pause Time for Dial Delay Modifier 2 255 5 2 59 Carrier Detect Response Time 1 255 0 1s 6 510 Lost Carrier Hang Up Delay 1 255 0 1s 5 14 11 DTMF Tone Duration 50 255 0 001 s 95 512 Escape Prom
225. se the remainder of the command line to be ignored e g A See the D command for details on the format of the information that follows it S Parameters Commands that begin with the letter S are known as S parameters The number following the S indicates the parameter number being referenced If the number is not recognized as a valid parameter number an ERROR result code 15 issued Immediately following this number either or to read the current value of the indicated S parameter to anew value character must appear 2 1s used js used to set the S parameter S lt parameter_number gt S lt parameter_number gt lt value gt If the is used the new value to be stored in the S parameter is specified in decimal following If no value is given 1 the end of the command line occurs or the next command follows immediately the S parameter specified may be set to 0 or an ERROR result code issued and the stored value left unchanged The ranges of acceptable values are given in the description of each S parameter If the is used the modem transmits a single line of information text to the DTE The text portion of this information text consists of exactly three characters giving the value of the S parameter in decimal with leading zeroes included 102184B Conexant 2 3 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 2 4 2 4 1 2 4 2 Extended Syntax
226. should be sent at the same rate as the preceding command line the modem may ignore characters sent at other rates When such an aborting event is recognized by the modem the modem terminates the command in progress and returns an appropriate result code to the DTE as specified for the particular command 2 8 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 2 6 2 2 7 2 7 1 Handling of Invalid Numbers and S Parameter Values The modem reacts to undefined numbers and S parameter values in one of three ways 1 Issue the ERROR result code and leave the previous value of the parameter unchanged 2 Issue the OK result code and leave the previous value of the parameter unchanged or 3 Issue the OK result code and set the parameter value to the valid value nearest to that specified in the command line The description of each command specifies which of these three techniques is used to handle invalid parameter values for that command or parameter Modem Responses While in command state and online command state the modem will issue responses using the same rate word length and parity as the most recently received DTE command line In the event that no DTE command has yet been received rate word length and parity used will depend on the capabilities of the modem When the modem transitions from the command state or online command state to the online data state
227. simile Class 1 0 Mode Section 4 8 Select Voice Mode Section 5 10 Reserved Result Codes OK For lt mode gt 0 1 1 0 8 and 10 ERROR Otherwise 3 2 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Reporting Current or Selected Values Command FCLASS Response FCLASS lt mode gt Example FCLASS 0 For the default setting Reporting Supported Range of Parameter Values Command FCLASS Response FCLASS lt mode gt range Example FCLASS 0 1 1 0 8 10 VCID Caller ID CID This command controls the reporting and presentation of data associated with the Caller ID services in the Incoming Call Line ID ICLID data format for the next call Syntax VCID lt pmode gt Defined Values lt pmode gt Decimal number corresponding to the selected option 0 Disable Caller ID reporting Default 1 Enables Caller ID with formatted presentation to the DTE The modem presents the data items in a lt Tag gt lt Value gt pair format The expected pairs are date time name and caller code telephone number 2 Enables Caller ID with unformatted presentation to the DTE Reporting Current or Selected Values Command VCID Response VCID lt pmode gt Example VCID 0 For the default setting Reporting Supported Range of Parameter Values Command VCID Response VCID lt pmode gt range Example VCID 0 2
228. ssssesesscsssssssesessssesessssssessscsescsuasacsesssessesearasseseseesasatsssesereees FTM Transmit Facsimile FRM Receive Facsimile FTH Transmit Data with HDLC Framing sees 4 11 FRH Receive Data with HDLC Framing 4 2 3 Service Class 1 Parameter Sinsinati ener e Re ere taa ede Ei S E FAR Adaptive Reception Control cccscsssssssssssssssssssssssssssssssssesssessesessssscsssesssscasecesesseseseesssseeses FCL Carrier Loss Timeout FDD Double Escape Character Replacement FIT DTE Inactivity Timeout FPR Fixed DTE Rate FMI Request Manufacturer Identification FMM Request Model Identification sss FMR Request Revision Identification sess TFEO to 4 3 1 5 M e 5 MOC command ISP UM A D 5 1 isa 5 1 1 lt DLE gt Shielded Event Codes Sent to the DTE 5 1 2 DLE Shielded Codes Sent to the Modem DCE sse Bide Moice Gommlfids iere te on ER nnne eu Rn MS ee 5 2 1 Configuration GOMMANAS susce aena e areae a FCLASS 8 Select Voice Mode VNH Automatic Hang up Control 5 2 2 Voice Commmands cereo RU
229. ssssssessscsssssesssscsesesssesssssscssscssssussessacacsceseseuessscesaseneesesssaeacanenes 1 1 3 Call Progress and Blacklisting Parameters essent nennen 1 1 4 ConfigurACE II for Windows Utility Program 1 2 Reference Documentation tcr cocti Ee nt RE STRE dag eae 2 Syntax PrOCSdHf BS c acum iota ba attori cs det cef 2 1 Alpliabet 22 A DTE ER entente re VR E TA Ea 2 2 1 Command Line General Format cccscsssssessssssessssssssssssssssessscsssssessssesesssssesessescsessscesessesssacasssessesesaeasasensees 2 2 2 Command Eine Editing etc te bee ect ea dad eee tr rere eed 2 2 3 Commancd 2 2 4 Repeating a Command Line Te 2 2 5 Types of DTE Gornmiarnts te e e eire daa els e e eee eU RH ie nere 2 9 3Basic Syntax Gomliandss se ERR RU RE a each aoe ato 2 3 1 Basic Syntax Command Format sese tenerent retenti 2 3 2 S PalaMeterS PETIERE 2 4 Commands a eee tede CA REP e RE ER REY ren enn ut 2 4 1 Command Naming Rules cccecscsssssssssssscsssssssssssesessssescscssssscsessessscssacsssesesseseassssesesesseseasesesseseessseasatessess 24 2 Valii8S ees Numeric Constants SRI Compound Values 2 4 3 Action Commands not t tete din e Ah eO Oe nen CR
230. t A Law or 0 Select A Law 1 2 Select p Law Bit 4 0 Controller version 3 46 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual V Single Line Connect Message Enable This command enables or disables the single line connect message format as follows Syntax V lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Connect messages are controlled by the command settings X W and S95 1 Connect messages are displayed in the single line format described below subject to the command settings V Verbose and Q Quiet In Non Verbose mode V0 single line connect messages are disabled and a single numeric result code is generated for CONNECT DTE When single line connect messages are enabled there are no CARRIER PROTOCOL ER or COMPRESSION DR messages apart from the fields described below The single line connect message format is CONNECT lt DTE Speed gt lt Modulation gt lt Protocol gt lt Compression gt lt Line Speed gt Where DTE Speed DTE speed e g 57600 Modulation V92 for V 92 modulation V90 for V 90 modulation V34 for V 34 modulation V32 for V 32 or V 32bis modulation Note Modulation is omitted for all other modulations Protocol for no protocol ALT for Microcom Network Protocol for LAP M protocol Compress
231. t cr gt Example 8 lt 3 ASCII characters gt lt 4 hex numbers gt lt same 3 ASCII characters gt lt same 4 hex numbers gt lt cr gt Result Codes OK lt 3 ASCII characters gt lt 4 hex numbers gt lt same 3 ASCII characters gt lt same 4 hex numbers gt ERROR Otherwise 102184B Conexant 3 13 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Load Flash Memory The AT command allows users to customize modem firmware by uploading flash memory firmware NVRAM patch or internal SRAM patch Uploading flash memory firmware The linear flash memory loader allows flash memory connected to the modem external memory bus to be upgraded with revised modem firmware This process transfers the upgraded modem firmware from the host computer to the modem which transfers the data to the flash memory device Uploading new firmware to the flash memory or is a two step process 1 When the AT command is issued the modem firmware boot loader is invoked and the user will first load a flash load module FLM into the modem s RAM The data transfer is done via an ASCII transfer The FLM contains the programming algorithm for the flash memory device being programmed and any messages that may be sent during the load process The user will then load the new modem firmware which the FLM will then program into the flash memory device This transfer is done via ASCII transfer Procedure 1 Install in th
232. t rate code gt Specifies the DTE modem interface operation rate in bits s with a rate code The available rate codes are 0 Automatic detection default 1 2400 bits s executes IPR 2400 2 4800 bits s executes IPR 4800 4 9600 bits s executes IPR 9600 8 19200 bits s executes IPR 19200 10 38400 bits s executes IPR 38400 18 57400 bits s executes IPR 57400 If unspecified or set to 0 automatic detection is selected and the character format is also forced to autodetect ICF 0 If the rate specified is not supported by the modem an ERROR result code will be returned Reporting Current or Selected Values Command FPR Response rate code gt Example 1 0 For automatic rate detection Example2 18 For 57600 bits s Reporting Supported Range of Parameter Values Command FPR Response rate code range Example 0 1 2 4 8 10 18 102184B Conexant 4 17 AT Commands for 1801 06833 81300 06827 Modems Reference Manual FMI Request Manufacturer Identification This command causes the modem to report the modem product manufacturer Syntax FMI Typical Response CONEXANT OK FMM Request Model Identification This command causes the modem to report the modem product model Syntax FMM Typical Response 90 FMR Request Revision Identification This command causes the modem to transmit one or more lines of information text identifying the modem version rev
233. tate without disconnecting amp Q2 amp Q3 DTR drop causes the modem to hang up Auto answer is inhibited DTR drop is interpreted according to the current amp Qn setting as follows amp Q0 through amp Q6 DTR drop causes the modem to hang up Auto answer is inhibited Default DTR drop is interpreted according to the current amp Qn setting as follows amp Q0 amp Q1 amp Q5 amp Q6 DTR drop causes the modem to perform a soft reset as 1f the Z command were received The amp Y setting determines which profile is loaded amp Q2 amp Q3 DTR drop causes the modem to hang up Auto answer is inhibited If amp Q5 amp Q6 or FCLASS 1 is in effect the action taken is the same as for 48 00 amp K Flow Control This command defines the DTE DCE terminal modem flow control mechanism The parameter value if valid 18 written to S39 bits 0 1 and 2 Syntax amp K lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 3 4 5 Disables flow control Enables RTS CTS flow control Default for data modem modes Enables XON XOFF flow control Enables transparent XON XOFF flow control Note Upon reset both RTS CTS and XON XOFF flow control is enabled for fax modem and voice modes Result Codes OK ERROR lt value gt 0 3 4 or 5 Otherwise Conexant AT Commands for 1801 06833 81300 06827 Modems Reference Man
234. te 3 155 MRR 42000 x Note 3 156 MRR 44000 x Note 3 157 MRR 46000 x x Note 3 158 MRR 48000 x Note 3 159 MRR 50000 x x x Note 3 160 MRR 52000 x Note 3 161 MRR 54000 x Note 3 162 MRR 56000 x Note 3 165 CONNECT 32000 x x x x x Note 3 166 CONNECT 34000 x x x x x Note 3 167 CONNECT 36000 x x x x x Note 3 168 CONNECT 38000 x x x x x Note 3 169 CONNECT 40000 x x x x x Note 3 170 CONNECT 42000 x x x x x Note 3 3 22 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Short Form Long Form n Value in ATXn Command Notes 0 1 2 3 4 171 CONNECT 44000 x x x x x Note 3 172 CONNECT 46000 x x x x x Note 3 173 CONNECT 48000 x x x x x Note 3 174 CONNECT 50000 x x x x x Note 3 175 CONNECT 52000 x x x x x Note 3 176 CONNECT 54000 x x x x x Note 3 180 CONNECT 28000 x x x x x Note 3 181 CONNECT 29333 x x x x x Note 3 182 CONNECT 30667 x x x x x Note 3 183 CONNECT 33333 x x x x x Note 3 184 CONNECT 34667 x x x x x Note 3 185 CONNECT 37333 x x x x x Note 3 186 CONNECT 38667 x x x x x Note 3 187 CONNECT 41333 x x x x x Note 3 188 CONNECT 42667 x x x x x Note 3 189 CONNECT 45333 x x x x x Note 3 190 CONNECT 46667 x x x x x Note 3 191 CONNECT 49333
235. te fax machine strips the flags performs zero bit deletion performs error checking and handles lt DLE gt lt chr gt character pairs before passing the data to the DTE The modem prefixes each lt DLE gt character with another lt DLE gt character before sending it to the DTE After 102184B Conexant 4 3 AT Commands for CX81801 CX06833 CX81300 CX06827 Modems Reference Manual 4 1 8 the last byte in the frame the modem sends lt DLE gt lt ETX gt to the DTE marking the end of the frame The modem then generates either the OK message if no errors were detected or the ERROR message if errors were detected FCS is incorrect and returns to command mode While in command mode the modem continues to receive data in the selected modulation scheme and sends the data after sending the CONNECT message to the DTE when the DTE reissues the FRH command with the same parameter If the DTE issues the command with a different parameter the modem clears all buffers and proceeds as described previously If carrier is lost while in command mode and the DTE reissues the FRH command with the same parameter and there 18 no data in the buffer the modem sends the ERROR result code to the DTE and returns to the command mode If there is data in the buffer the modem sends the next frame of buffered data to the DTE followed by lt DLE gt lt ETX gt and either the ERROR result code if errors were detected or the OK result code if no er
236. ted the modem will behave as a data modem and will attempt to connect to another data modem The modem will have up to the period of time specified by register S6 or S7 to wait for carrier and complete the handshake If this time expires before the modem can complete the handshake the modem will go on hook with the NO CARRIER response This command will be aborted in progress upon receipt of any DTE character before completion of the handshake If FCLASS 1 or 1 0 is selected the modem will behave as a facsimile modem and attempt to connect to a facsimile machine or modem by entering the HDLC 21 channel 2 receive state as if FRH 3 had been issued This command will be aborted upon receipt of any DTE character if the modem has not finished dialing In this case the modem will go on hook and return to command mode after displaying the NO CARRIER message If the modem has finished dialing it proceeds as if the FRH 3 command has been issued Refer to FRH command to determine how the modem behaves following this stage Dial Modifiers The valid dial string parameters are described below Punctuation characters may be used for clarity with parentheses hyphen and spaces being ignored Syntax D lt string gt 102184B Conexant 3 37 AT Commands for 1801 06833 81300 06827 Modems Reference Manual Defined Values lt string gt Character string corresponding to the selected option s 0 9
237. ters Mode Entry Commands FCLASS 1 Select Facsimile Class 1 Mode FCLASS 1 selects the Fax Class 1 Mode The Fax Class 1 Mode commands and responses described in this section are applicable when command 55 1 as shown in Table 4 1 FCLASS 1 0 Select Facsimile Class 1 0 Mode FCLASS 1 0 selects the Fax Class 1 0 The Fax Class 1 0 Mode commands and responses described in this section are applicable when command FCLASS 1 0 as shown in Table 4 1 Mode Commands FAA Auto Answer Enable This command enables or disables fax adaptive answer This command operates identically to the FAE command Syntax FAA lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Disable data fax auto answer mode Default 1 Enable data fax auto answer mode The modem determines the calling type and issues DATA result code 13 if the caller is a data modem or issues FAX result code 15 if the caller is a fax modem 4 6 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual FAE Auto Answer Enable This command enables or disables fax adaptive answer This command operates identically to the FAA command Syntax FAE lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Disable data fax auto answer mode Default 1 Enable data fax auto answer mode The modem det
238. the simplest form lt name gt If a single value is to be reported the form of the result code is lt name gt lt value gt A single space character separates the colon character from the lt value gt no space appears between the result code name and the colon If multiple values are to be reported with the result code the form is lt name gt compound value 2 10 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual Fax Modes If a single value is to be reported the form of the result code is value or value 2 7 3 lt name gt lt compound_value gt Information Text Formats for Test Commands In general the format of information text returned by extended syntax commands is described in the definition of the command The modem may insert intermediate lt CR gt characters in very long information text responses in order to avoid overrunning DTE receive buffers If intermediate lt CR gt characters are included the modem does not include the character sequences 0 lt CR gt or OK lt CR gt so that DTE can avoid false detection of the end of these information text responses Range of Values When the action accepts a single numeric subparameter or the parameter accepts only one numeric value the set of supported values may be presented in the information text as an ordered list of values The list is preceded by a left parenthesis
239. ting W1 2 DCE line speed only W2 Bits 4 5 Caller ID 0 Caller ID disabled VCID 0 Default l Short formatted Caller ID enabled VCID 1 2 Long unformatted Caller ID enabled VCID 2 Bits 6 7 Reserved Default 11b 102184B Conexant 3 115 AT Commands for 1801 06833 81300 06827 Modems Reference Manual 36 LAPM Failure Control Default 7 0000011 1b Bits 0 2 This value indicates what should happen upon a failure These fallback options are initiated immediately upon connection if S48 128 If an invalid number is entered the number is accepted into the register but 536 will act as if the default value has been entered 0 Modem disconnects Modem stays on line and a Direct mode connection is established Reserved 3 Modem stays on line and a Normal mode connection is established 4 An MNP connection is attempted and if it fails the modem disconnects 5 An MNP connection is attempted and if it fails a Direct mode connection is established 6 Reserved 7 An MNP connection is attempted and if it fails a Normal mode connection is established Default Bits 3 7 Reserved 38 Delay Before Forced Hang Up S38 specifies the delay between the modem s receipt of the H command to disconnect or ON to OFF transition of DTR if the modem is programmed to follow the signal and the disconnect operation Applicable to error correction connection only This param
240. ting Supported Range of Parameter Values Command FDD Response FDD lt value gt range Example FDD 0 102184B Conexant 4 15 AT Commands for 1801 06833 81300 06827 Modems Reference Manual FIT DTE Inactivity Timeout This command specifies a DTE inactivity timeout value that allows the modem to break away from an unsuccessful connection attempt at any stage of a facsimile transfer The DTE inactivity timer operates only while the modem is off hook Syntax FIT lt time gt lt action gt Defined Values lt time gt The lt time gt parameter indicates the DTE inactivity timeout in seconds The value of 0 indicates that timeout is disabled default The required timeout range is 1 to 255 seconds The inactivity timer starts when the modem has taken some action that requires DTE response If the DTE does respond the modem resets the inactivity timer Inactivity timer related events are listed in Table 4 3 lt action gt The lt action gt parameter has two meanings 0 Upon timeout the modem will go on hook executing an implied ATH command then reset to FCLASS 0 1 Upon timeout the DCE will only go on hook Reporting Current or Selected Values Command FIT Response FIT lt time gt lt action gt Example FIT 0 0 For the default settings Reporting Supported Range of Parameter Values Command FIT Response FIT lt time gt range lt action gt rang
241. ty 96TT PTT Test amp C RLSD DCD Option 3 24 amp D DTR Option amp F Restore Factory Configuration 3 10 amp G Select Guard Tone amp K Flow Control amp L Leased Line Operation amp M Asynchronous Synchronous Mode Selection 3 26 amp P Select Pulse Dial Make Break Ratio 3 44 amp Q Sync Async Mode amp R RTS CTS Option amp S DSR Override amp T Local Analog Loopback Test amp V Display Current Configuration amp V1 Display Last Connection Statistics amp W Store Current Configuration amp X Select Synchronous Clock Source amp Y Designate a Default Reset Profile amp Zn x Store Telephone Number M Enable Cellular Power Level Adjustment 3 93 Load Flash Memory B Display Blacklisted Numbers D Display Delayed Numbers E Compromise Equalizer Enable Command 3 94 Initial Cellular Power Level Setting 3 94 t ABE V 8 and V 8bis Operation Controls 3 78 ABl CI Si
242. u can type the commands described below 4 1 4 2 A o z i 1 HO H1 Typing Commands Use the BACKSPACE key to delete typing errors Every command except A and must begin with the AT or at prefix and be entered by pressing the lt Enter gt key For example to execute the V command you would type ATV and press the lt Enter gt key When you see an n replace the n with one of the letter or numeric options listed for that command For example for the En command you might type ATE1 All defaults are based on the amp F Hardware Flow Control template load in when the modem is shipped AT Commands Re executes the last issued command Used mainly to redial A Go off hook and attempt to answer a call Dial DTMF digits 0 to 9 Pulse rotary dial Tone dial Wait for second dial tone X3 or higher linked to S6 register Toggles calling tone enable disable Command Echo Disable command echo Enable command echo Disconnect Hang up Hang up goes on hook Go off hook 10 12 13 4 16 MO MI M2 M3 On 1 7 70 71 amp amp CO 8 1 amp amp amp D1 amp D2 amp D3 amp Identification Report product code Report OK or ERROR Report firmware revision Report OEM defined identifier string Report modem data pump model and internal code revision Speaker Control Speaker is always of
243. ual amp M Asynchronous Synchronous Mode Selection This command determines the DTR operating mode The modem treats the amp M command as a subset of the amp Q command Syntax amp M lt value gt Defined Values lt value gt Decimal number corresponding to the selected option 0 Selects direct asynchronous operation The command sequence amp MOWO selects normal buffered mode but the command sequence WNO amp MO selects direct mode This is because the WO command is analogous to the amp Q6 command The value 000b is written to S27 bits 3 1 and 0 respectively See amp Q 1 Selects synchronous connect mode with async off line command mode The value 001b is written to S27 bits 3 1 and 0 respectively Serial interface operation only 2 Selects synchronous connect mode with async off line command mode Same as amp M1 except that amp M2 enables DTR dialing of directory slot 0 The modem will disconnect if is OFF for more than the period in S25 in units of hundredths of a second the data connection will be synchronous The value 010b is written to 527 bits 3 1 and 0 respectively Serial interface operation only 3 Selects synchronous connect mode This mode allows DTR to act as a talk data switch The call 18 manually initiated while DTR is inactive When DTR becomes active the handshake proceeds in originate or answer mode according to S14 bit 7 The value 011b is written to S27 bits 3 1 and 0
244. ult setting Reporting Supported Range of Parameter Values Command VTD Response lt dur gt range Example 0 255 Result Codes OK lt dur gt 0 255 ERROR Otherwise or if not in Voice Mode 102184B Conexant 5 19 AT Commands for 1801 06833 81300 06827 Modems Reference Manual VDR Distinctive Ring This command causes the modem to enable or disable reporting of the ring cadence information and to control the timing of the RING event code report if ring cadence reporting is enabled Syntax VDR lt enable gt lt report gt Defined Values lt enable gt Decimal number corresponding to the selected option 0 The modem will not report ring cadence information 1 The modem will report ring cadence information as specified for the lt report gt subparameter lt report gt Decimal number specifying ring cadence information report when enabled by the lt enable gt subparameter 0 The modem will produce only DROF and DRON messages The modem will not produce any RING event codes The modem will report other call progress event codes as normal Other The modem will produce only DROF and DRON messages The modem will produce a RING event code after lt report gt 10 seconds after the falling edge of the ring pulse i e after the DRON report Reporting Current or Selected Values Command VDR Response lt enable gt lt report gt Example 0 0 For the default setting Reporting
245. ve Ringing Pattern 3 RING Simple 4 DTMF Received Simple 5 Receive Buffer Overrun Simple 6 Facsimile Calling e g 1100 Hz Simple 7 Data Calling e g 1300 Hz Simple 8 Local Phone On Off hook Simple 9 Presumed Hangup SILENCE Time out Simple 10 Presumed End of Message QUIET Time out Simple 11 SIT Signal Simple Message 12 Bong Tone Simple 13 Loop Current Interruption Simple 14 Loop Current Polarity Reversal Simple 15 Call Waiting Beep Interrupt Simple 16 Distinctive Call Waiting Pattern 18 Ringing Tone Simple 19 BUSY Simple 20 DIAL TONE Simple 21 Reorder Fast Busy Simple 22 V 21 Channel 2 7E flags Simple 23 Transmit Buffer Underrun Simple 24 Extension Phone On Off hook Simple 25 Facsimile or Data Answer e g 2100 Hz Simple 26 Data Answer e g 2225 Hz Simple 27 Voice Detect Simple 29 Stuttered Dial tone Simple note 1 30 Invalid Voice Data Format Simple 31 Lost Data Detected Event Simple 32 Facsimile Answer Simple Legend This table lists events without any regard as to whether the DCE reporting of the event is optional or mandatory and without assigning a DCE reporting mechanism The first column lists the event number assignment for each event The event number also serves another purpose each number is a bit position in a bit field Event number 0 is the most significant bit of the left most hex number in a hex representation V 253 defines a total of eight hex digits The final bit in the bit field occupies the least signif
246. wise or if not in Voice Mode 102184B Conexant 5 21 AT Commands for 1801 06833 81300 06827 Modems Reference Manual VPR Select DTE Modem Interface Rate Turn Off Autobaud This command selects the DTE modem interface rate Syntax VPR lt rate gt Defined Values lt rate gt gt Decimal number corresponding to the DTE modem interface rate where 0 autobaud rate determined by processing the AT command and 1 2 3 4 8 16 24 48 96 correspond to multipliers of 2400 bps to determine the actual rate 0 Autobaud 1 2400 bps 2 4800 bps 3 7200 bps 4 9600 bps 8 19200 bps 16 38400 bps 24 57600 bps 48 115200 bps 96 230400 bps Reporting Current or Selected Values Command VPR Response rate Example 0 For the default setting Autobaud Reporting Supported Range of Parameter Values Command VPR Response lt rate gt range Example 0 1 2 3 4 8 16 24 48 96 Result Codes OK rate 0 1 2 3 4 8 16 24 48 96 ERROR Otherwise or if not in Voice Mode 5 22 Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Reference Manual 5 2 3 Speakerphone Commands VSP Speakerphone ON OFF This command turns the speakerphone ON or OFF Syntax VSP lt mode gt Defined Values lt mode gt Decimal number corresponding to the selected option 0 The speakerphone function is OFF Default 1 The speakerphone function is
247. y Configuration Profile seen 3 10 amp T Local Analog Loopback Test sse tenentes 3 10 amp Y Designate a Default Reset Profile sss 3 11 amp W Store Current Configuration tnnt nnns amp Zn x Store Telephone Number 7 Plug and Play Serial Number 8 Plug and Play Vendor ID and Product Number ssssssesseeennnnnnnnnnens 3 13 Odd Flash Memoty ertet tee ce rre cei e one tete enean 3 14 3 2 2 DTE Modem Interface comimiands o ERE ERE TR ERREUR RR RUN e RS 3 17 Command sao eec e dt eb RID dee dis 3 17 Q Quiet Results Codes Control essent 3 17 V Result Code terne eei te ee e e e deed ae Perego W Connect Message Control X Extended Result Codes ccccscsssssssssssesscsssssssssssesssscsssssssesescsesssssssesessssssesesssssssesessessavassesernees amp G S RESD DOD rte dite unen ene amp D s DTR Options it RR irri He i ORT RO ER I idi E n Ie eh AK FON RURSUM UN AE amp M Asynchronous Synchronous Mode Selection sss 3 26 amp Q Sync Async Mode ssssseeseseseseeennnnnrnnretetn trennen tenente tnter tenens 3 27 amp R RTS CTS Option eterni ettet rere tret reor de Per e 3 28 iv Conexant 102184B AT Commands for 1801 06833 81300 06827 Modems Referenc

Longshine LCS-8560C1 modems

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