"user manual"
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1. 5 1 MNP error correctio u eite E roseo re aee aera uui eb EE 5 1 V 42 error correction nennen 5 1 Operation modes UU einen ssawas pasas wass asss TAKTA 5 2 Normal mode a u uu usu ugisisasspustaqaspeqaqhuyqaqsaqussqaqqapaspasasassyq 5 2 BETEN 5 2 Commands NNN nennen nennen nennen nnn 5 2 Flow uiu p 5 2 Serial port flow Control 5 3 Modem port flow control AA 5 4 Data compression 5 4 Commands 96Ch EE 5 4 Chapter 6 Test Function Test ET te cuisine adresse 6 1 Testing ele HE 6 2 Appendix A ASCII Character Codes A 1 Appendix B Specifications esee B 1 Appendix C Communication Conditions C 1 Appendix D V 90 K56lflex J D 1 Glossary Index User s Manual Preface Congratulations on becoming the owner of a Toshiba international modem offering advanced functions for fax and data communication This manual provides detailed information on features operation and technical specifications of your international modem Manual contents This manual is composed of six chapters four appendixes a glossary and an index Chapter 1 Introduction describes the functions and capabilities of the international modem Chapter 2 Using the International2. ASCII Character Codes A 4 Dec Hex IBM Sort code code char seq 128 80 67 129 81 85 130 82 69 131 83 65 132 84 65 133 85 65 134 86 65 135 87 67 136 88 69 137 89 69 138 8A 69 139 8B i 73 140 8C i 73 141 8D i 73 142 8E A 65 143 8F A 65 144 90 E 69 145 91 65 146 92 65 147 93 79 148 94 79 149 95 79 150 96 85 151 97 85 152 98 y 89 153 99 79 154 9A 85 155 9B 36 156 9C 36 157 9D 36 158 9E Pt 36 159 9F f 36 User s Manual Dec Hex IBM Sort code code char seq 160 AO a 65 161 Al i 73 162 A2 79 163 A3 85 164 A4 78 165 A5 78 166 A6 a 16 167 A7 o 167 168 A8 63 169 A9 160 170 AA 170 171 AB 12 171 172 AC 14 172 173 AD i 33 174 AE 34 175 AF 34 176 BO 177 Bi 178 B2 179 B3 180 BA 181 B5 182 B6 183 B7 184 H 185 B9 4 186 BA 187 BB I 188 BC J 189 BD 190 BE BF 191 User s Manual Dec Hex IBM Sort code code char seq 192 CO E 193 C1 A 194 C2 T 195 C3 P 196 C4 197 C5 198 C6 199 C7 F 200 C8 L 201 C9 IF 202 CA JL 203 CB ar 204 OC E 205 CD 206 CE Sue 207 CF zit 208 DO AL 209 D1 T 210 D2 Tr 211 D3 IL 212 D4 L 213 D5 F 214 D6 IR 215 D7 216 D8 217 D9 E 218 DA M 219 DB m 220 DC 221 DD I 222 DE I 223 DF m ASCII Character Codes A 5 Dec Hex IBM Sot code code Sei 224 EO 225 E1 226 E2 227 ES 228 E4 229 E5 230 E
3. L1 Low volume Same as L0 L2 Medium volume default L3 High volume Result Codes OK n 0 1 2 3 ERROR Otherwise AT Commands 3 3 Mn Monitor speaker mode This command turns the speaker on or off MO The speaker is off M1 The speaker is on until the modem detects the carrier signal default M2 The speaker is always on when modem is off hook Result Codes OK n 0 1 2 ERROR Otherwise Nn Modulation handshake This command controls whether or not the local modem performs a negotiated handshake at connection time with the remote modem when the communication speed of the two modems is different NO When originating or answering this is for handshake only at the communication standard specified by S37 and the ATB command N1 When originating or answering begin the handshake at the communication standard specified by S37 and the ATB command default During handshake a lower transmission speed may be selected Result Codes OK n 0 1 ERROR Otherwise On Return on line to data mode O0 Instructs the modem to exit on line command mode and return to data mode see AT escape sequence O1 This command issues a retrain before returning to on line data mode O3 This command issues a rate renegotiation before returning to on line data mode Result Codes OK n 0 1 3 ERROR Otherwise AT Commands 3 4 User s Manual P Select pulse dialling This command configures the modem for pulse non touch tone d
4. viii DISPLAY I MM viii Testrunction EE viii E re saan kasa viii Chapter 1 Introduction Feat reS u s uuu ao sene aS sido sgiE A FRER A E NEESS ERC EESESEK ENG 1 1 Function charts iiirie arcana ain geu eege gU nS ausa x a nana Cu noU RR AVR ERR REDE 1 3 Chapter 2 Using the International Modem Country selection neret nina korean cria aie KEES 2 1 Dynamic selection using Toshiba utility AA 2 1 COUNTY ege eege ee EELER 2 3 Country selection in Windows a 2 4 Country selection with AT commande 2 5 Connection procedures 2 6 Connecting the international modem 2 6 Disconnecting the international modem A 2 6 Basic operation U ullu U UU u U u U uuu uuu 2 7 Connecting to a telephone Imne 2 7 Receiving a call tte ice ER CSELES EES 2 8 Terminatingia call U UU Ua it pasa nie sini Ri nado 2 8 Setting the data flow Control 2 9 Chapter 3 AT Commands Chapter 4 S registers S register Values etri rna tette trn entrate enitn tenni Aaaa A sna 4 1 AT command set result codes 4 7 Country select command and S register 4 8 Chapter 5 MNP and V 42 Error correction overview
5. 031 1F v 31 US ASCII Character Codes A 2 User s Manual Dec Hex IBM Sort Dec Hex IBM Sort code code char seq code code char seq 02 20 space 32 064 40 64 033 21 33 065 41 A 65 034 22 34 066 42 B 66 035 23 H 35 067 43 C 67 036 24 36 068 44 D 68 037 25 K 37 069 45 E 69 038 26 amp 38 070 46 F 70 039 27 39 071 47 G 71 040 28 40 072 48 H 72 041 29 41 073 49 73 042 2A i 42 074 4A J 74 043 2B 43 075 4B K 75 044 2C 44 076 4C L 76 045 2D 45 077 4D M 77 046 2E 46 078 4E N 78 047 2F 47 079 4F O 79 048 30 0 48 080 50 P 80 049 31 1 49 081 51 Q 81 050 32 2 50 082 52 R 82 051 33 3 51 083 53 S 83 052 34 4 52 084 54 T 84 053 35 5 53 085 55 U 85 054 36 6 54 086 56 V 86 055 37 7 55 087 57 w 87 056 38 8 56 088 58 X 88 057 39 9 57 089 59 Y 89 058 3A 58 090 5A Z 90 059 3B 59 091 5B 91 060 3C 60 092 5C 92 061 3D 61 093 5D 93 0g 3E gt 62 094 5E Ax 94 063 3F 63 095 5F 95 User s Manual ASCII Character Codes A 3 Dec Hex IBM Sort code code char seq 096 60 i 96 097 61 a 97 098 62 b 98 099 63 c 99 100 64 q 100 101 65 e 101 102 66 f 102 103 67 g 108 104 68 h 104 105 69 i 105 106 6A j 106 107 6B k 107 108 6C 108 109 6D m 109 110 6E n 110 111 6F o 111 112 70 p 112 113 71 q 113 114 72 r 114 115 73 S 115 116 74 t 116 117 75 u 117 118 76 V 118 119 77 w 119 120 78 x 120 121 79 y 121 122 7A z 122 123 7B 123 124 7C 124 125 7D 125 126 7E 126 127 7F A 127
6. seconds and then return to off hook Return to command mode Causes the modem to return to command mode after dialling a number without disconnecting the call S n Dial a telephone number previously stored using the amp Zn X command See amp Zn X command for more information The range is 0 3 qu Refer to table 3 1 for country specific codes AT Commands 3 2 User s Manual User s Manual En Hn In Ln Echo command This command controls whether or not the characters entered from your computer keyboard are displayed on your monitor echoed while the modem is in command mode EO Disables echo to the computer E1 Enables echo to the computer default Result Codes OK n 0 1 ERROR Otherwise Hook control This command instructs the modem to go on hook to disconnect a call or off hook to make the phone line busy HO Modem goes on hook default H1 Modem goes off hook Result Codes OK n 0 1 ERROR Otherwise Request ID information This command displays product information about the modem 10 Returns device information H Calculates ROM checksum and displays it on the DTE 12 Performs a ROM check and calculates and verifies the checksum displaying OK Or ERROR I3 Same as 10 l4 Returns firmware version for data pump 19 Returns country code Result Codes OK n 0 1 2 3 4 9 ERROR Otherwise Monitor speaker volume This command sets speaker volume to low medium or high LO Low volume
7. 85 Fixed 85 Fixed 85 Fixed 85 Fixed 85 Fixed 85 Fixed 85 Fixed 85 Fixed 85 Fixed 150 Fixed 150 Fixed 85 Fixed 85 Fixed 85 AT amp P 20PPS Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable Disable 6 12 4 12 R pp Oo R ATS ATS ATS91 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 ATX Normal Normal Always dial tone detect Always dial tone detect Always dial tone detect Norma Norma Norma Always dial tone detect Norma Norma Always dial tone detect Norma Norma Norma Norma User s Manual Chapter 4 S registers S registers contain the settings that determine how a number of functions of the international modem operate For example how many times to let the telephone ring before the modem answers and how long to wait before it hangs up if a connection fails You can also customise certain AT commands such as the escape sequence and command line termination The contents of the registers are changed automatically when you modify corresponding settings in your communication software If you choose however you can display and edit the contents of the registers manually when the modem is in command mode If the value is out of the acceptable range then an error is generated Th
8. Enter as follows to select the local analogue loopback test AT amp T1 You are now in the on line state Enter characters from the keyboard as desired The entered characters should be displayed on the screen Enter the escape code as follows to return to the command state from the on line state Select oK to verify the answer code Enter as follows to terminate the test AT amp TO Select oK to verify the answer code User s Manual Appendix A ASCII Character Codes Appendix A shows the American Standard Code for Information Interchange ASCII on the following pages The characters in the CHAR column appear on your display when you type the corresponding ASCII code The characters that are printed however depend on the software you are using For most software the printed output for decimal codes 32 to 128 will match your screen display User s Manual ASCII Character Codes A 1 Dec Hex IBM Sort Cth code code char seq char 000 00 000 NUL 001 01 1 SOH 002 02 e 2 SIX 003 03 3 ETX 004 04 4 EOT 005 05 5 ENQ 006 06 6 ACK 007 07 e 7 BEL 008 08 DH 8 BS 009 09 o 9 HT 010 0A D 10 IF 011 0B o 11 VT 012 OG Q 12 F 013 oD A 13 CR 014 OE P 14 So 015 OF e 15 g 016 10 gt 16 DE 017 11 4 17 DC1 018 12 i 18 DC2 019 13 19 DC3 020 14 1 20 DA 021 15 5 21 NAK 022 16 22 SYN 023 17 2 23 ETB 024 18 T 24 CAN 025 19 L 25 EM 026 1A gt 26 SUB 027 1B c 27 ESC 028 1C 28 F5 029 1D o 29 GS 030 1E A 30 RS
9. Modem describes basic operations including connecting the modem and country selection Chapter 3 AT Commands explains the meanings of the AT commands that control your international modem Chapter 4 S registers explains the meanings of the registers that contain the settings for many of the international modem functions Chapter 5 MNP and V 42 explains error correction flow control and data compression Chapter 6 Test Function describes how to conduct the loopback test The Appendices provide technical information The Glossary defines telecommunications terminology The Index quickly directs you to information contained in the manual Conventions This manual uses the following formats to describe identify and highlight terms and operating procedures Abbreviations On first appearance and whenever necessary for clarity abbreviations are enclosed in parentheses following their definition For example Read Only Memory ROM Acronyms are also defined in the Glossary Keys The keyboard keys are used in the text to describe many computer operations A distinctive typeface identifies the key top symbols as they appear on the keyboard For example Enter identifies the Enter key User s Manual vi vii Key operation Some operations require you to simultaneously use two or more keys We identify such operations by the key top symbols separated by a plus sign For example Ctrl C means you must hold down Ctrl
10. can be used on pulse lines User s Manual User s Manual Reliable mode Reliable mode is for error free communication by MNP or V 42 Result code This code returns to the computer the results of executing a command sent from it to the international modem in characters or numeric values RJ11 A 6 pin telephone interface that is standard in most countries RTS signal A Request to Send signal is an RS 232C standard that indicates the modem is ready to receive data S register The S register stores the parameters for various commands and modem operations Serial port A port through which serial data is sent and received by the computer one bit at a time Stop bit bit used in serial communication that marks the end of a character Test function When normal communication is not possible this function checks the modem personal computer and telephone lines to determine if they are normal Tone dialling A dialling method that uses tones instead of pulses to generate a telephone number Generally associated with push button phones although some push button phones can be connected to pulse lines UART Universal Asynchronous Receiver Transmitter is the circuit interface between the modem and computer It receives serial bit data from the modem and converts it into bytes for the computer and it converts byte data from the computer into bit data for serial communication XON XOFF flow control A protocol used by devi
11. control protocol User s Manual Glossary The terms in this glossary cover the topics discussed in this manual Alternate naming is included for reference Auto reliable mode This mode connects to a remote station by MNP or V 42 if the remote modem accepts either of these protocols Otherwise it connects in normal mode Baud In data transmission baud means the number of signal events per second Baud is equivalent to BPS when each signal transmission represents one bit Bell Standard A series of communication procedures for telephone lines and other analogue data transmission lines standardised by AT amp T American Telephone amp Telegraph Bit A binary digit the smallest unit of information handled by a computer BPS Bits per second meaning the number of bits that can be transmitted or received per second It is used as a unit of communication speed Buffer memory area in which data is temporarily stored to ensure smooth transmission and reception of data between two devices that operate at different speeds Busy A code indicating the number called is busy Byte Typically eight bits One byte can represent one alphanumeric character Carrier modem converts the digital signals of the personal computer into analogue signals to send them through the telephone line The analogue signals are carrier because they transport the data The analogue frequency is determined by the individual communication specifi
12. is capable of high speed data transmission It supports V 90 and K56flex technology e V 90 K56flex rates can be achieved only when connected to a 1 V 90 K56flex capable host modem The Toshiba International modem will select automatically V 34 if the remote modem lacks V 90 K56flex capability or if a combination of network and or phone line conditions prevent V 90 K56flex connection V 90 mode Function Data V 90 K56flex mode Function Data K56flex User s Manual Transmission speed From 56K maximum to 28Kbps minimum Reception only Transmission speed From 56K maximum to 32Kbps minimum Reception only V 90 K56flex D 1 V 90 K56flex D 2 No 70 71 72 73 74 75 76 77 78 79 80 81 82 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 Result codes for a 56K connection Result code CONNECT 32000 EC CONNECT 34000 EC CONNECT 36000 EC CONNECT 38000 EC CONNECT 40000 EC CONNECT 42000 EC CONNECT 44000 EC CONNECT 46000 EC CONNECT 48000 EC CONNECT 50000 EC CONNECT 52000 EC CONNECT 54000 EC CONNECT 56000 EC CONNECT 28000 EC CONNECT 29333 EC CONNECT 30666 EC CONNECT 33333 EC CONNECT 34666 EC CONNECT 37333 EC CONNECT 38666 EC CONNECT 41333 EC CONNECT 42666 EC CONNECT 45333 EC CONNECT 46666 EC CONNECT 49333 EC CONNECT 50666 EC CONNECT 53333 EC CONNECT 54666 EC Description Connection at 32000 bits s K56flex mode or V 90 Connection a
13. transmit while transmitting in the high band answer mode This command is only used in V 22 and V 22bis mode This option is not used in North America and is for international use only amp G0 Guard tone disabled default amp G1 Sets guard tone to 550 Hz amp G2 Sets guard tone to 1800 Hz Result Codes OK n 0 1 2 ERROR Otherwise amp Kn Local flow control selection amp KO Disable flow control amp K3 Enable CTS RTS flow control default amp K4 Enable XON XOFF flow control Result Codes OK n 0 3 4 ERROR Otherwise amp Pn Select Pulse Dial Make Break Ratio WW amp PO Selects 39 61 make break ratio at 10 pulses per second amp P1 Selects 33 67 make break ratio at 10 pulses per second amp P2 Selects 39 61 make break ratio at 20 pulses per second Result Codes OK n 0 to 2 ERROR Otherwise AT Commands 3 8 User s Manual amp Tn Self test commands These tests can help to isolate problems if you experience periodic data loss or random errors amp TO Abort Stops any test in progress amp T1 Local analogue loop This test verifies modem operation as well as the connection between the modem and computer Any data entered at the local DTE is modulated then demodulated and returned to the local DTE To work properly the modem must be off line Result Codes OK n 0 CONNECT n 1 ERROR Otherwise amp V View active configuration and stored profile This command is used to display the act
14. 6 231 E7 232 ES 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 o Y D 83 A V H Di eoom5ge uramu uudog u NJ ZI m Tmddgzzesusdsdggagmmuggggemg ASCII Character Codes A 6 User s Manual Appendix B Specifications This appendix summarises the Toshiba international modem s technical specifications Network control unit NCU Type of NCU AA Type of line Telephone line analogue only Type of dialling Pulse Tone Control command AT commands EIA 578 commands Monitor function Computers speaker User s Manual Specifications B 1 Communication system Communication protocol Communication speed Transmitting level Receiving level Input output impedance Error correcting Data compression Power supply Specifications B 2 Communication specifications Data Full duplex Fax Half duplex Data ITU T Rec V 21 V 22 V 22bis V 32 Former CCITT V 32bis V 34 V 90 Bell 103 212A Other K56 flex Fax ITU T Rec V 17 V 29 V 27ter Former CCITT V 21 ch2 Data transmission and reception 300 1200 2400 4800 7200 9600 12000 14400 16800 19200 21600 24000 26400 28800 31200 33600 bps Data reception only with K56flex 32000 34000 36000 38000 40000 42000 44000 46000 48000 50000 52000 54000 56000 bps Data reception only with V 90 28000 29333 30666 32000 33333 34666 360 00 37333 38666 40000 41333 42666 44000 4 5333 4
15. 6666 48000 49333 50666 52000 5333 3 54666 56000 bps Fax 2400 4800 7200 9600 12000 14400 bps 10 dBm 10 to 40 dBm 600 ohms 30 MNP class 4 and ITU T V 42 MNP class 5 and ITU T V 42bis 3 3V 5 V supplied by computer User s Manual Appendix C Communication Conditions Communication parameters Select communication parameters from the table below Start bps Data length bit Parity bit Stop bit 8 None 1 or more 1 7 0 1 or more 1 7 1 1 or more 1 7 Odd 1 or more 1 7 Even 1 or more 1 7 None 2 Telephone line types This international modem can be connected to an analogue RJ11 telephone line Do not connect the modem to a digital telephone line A digital line will damage the modem Dial modes There are two types of dial mode pulse dial and tone dial Generally pulse dial lines are associated with rotary phones but there may be cases where a push button phone is connected to a pulse dial line so it is not possible to identify the type of line by simply looking at the phone If you are not sure what type of line you are using you can check an ordinary direct line by the following AT command where n is the outside number ATDTn Enter If you connect to the dialled number the line is tone dial type If you do not get a connection it is pulse dial type The command ATDP will connect a pulse line User s Manual Communication Conditions C 1 Appendix D V 90 K56flex The Toshiba international modem
16. TOSHIBA USER S GUIDE International Modem Copyright 2000 by Toshiba Corporation All rights reserved Under the copyright laws this manual cannot be reproduced in any form without the prior written permission of Toshiba No patent liability is assumed with respect to the use of the information contained herein Toshiba International Modem User s Guide Third edition May 2000 Disclaimer This manual has been validated and reviewed for accuracy The instructions and descriptions it contains are accurate for the Toshiba international modem at the time of this manual s production However succeeding products and manuals are subject to change without notice Toshiba assumes no liability for damages incurred directly or indirectly from errors omissions or discrepancies between the computer and the manual Trademarks Microsoft Windows and Windows NT are registered trademarks of Microsoft Corporation Microcom Microcom Networking Protocol and MNP are registered trademarks of Microcom Inc Hayes is a registered trademark of Hayes Microcomputer Products Inc K56flex is a trademark of Lucent Technologies and Rockwell Semiconductor Systems Conformity Statement The equipment has been approved to Commission Decision CTR21 for pan European single terminal connection to the Public Switched Telephone Network PSTN However due to differences between the individual PSTNS provided in different countries the approval does no
17. a mode 3 4 Ring counter 4 2 s Self test commands 3 9 Specifications Network control unit B 1 S registers AT escape character 4 2 auto answer ring number 4 1 automatic disconnect delay 4 4 comma pause time 4 4 command line editing character 4 3 command line termination character 4 2 connection completion time out 4 3 country select 4 8 dial line rate 4 5 DTM dialling speed 4 4 escape guard time 4 4 response formatting character 4 2 ring counter 4 2 wait before dialling 4 3 Store current configuration 3 10 Store telephone number 3 11 I Telephone line types C 1 Test See also Self test commands description 6 1 function 6 1 methods 6 2 Tone dialling selecting 3 5 User s Manual V W V 22bis guard tone control 3 8 Wait before dialling 4 3 V 42bis 5 1 V 90 mode D 1 V 90 K56flex D 1 View active configuration and stored profile 3 9 User s Manual Index 3
18. and at the same time press C If three keys are used hold down the first two and at the same time press the third DISKCOPY A B Text you are to type in is represented in the type face you see to the left Display ABC Text generated by the computer that appears on its display screen is presented in the type face you see to the left Test function If any errors or malfunctions are encountered please refer to Chapter 6 Test Function The test function enables you to check whether the cause is in the local station the remote station or in the communication line Messages Messages are used in this manual to bring important information to your attention Each type of message is identified as shown below Pay attention A caution informs you that improper use of equipment or failure to follow instructions may cause data loss or damage your equipment your equipment 1 Please read A note is a hint or advice that helps you make best use of User s Manual Chapter 1 Introduction The Toshiba international modem provides capability for facsimile transmissions and standard computer to computer data communications The international modem has an RJ11 jack for connecting to an analogue telephone line This chapter describes features of the international modem Features V 90 K56flex high speed data communication Other high speed data communication Fax capability Standard commands User s Manual The Toshiba i
19. arameters illustrated in the amp V command These settings are restored to the active configuration upon receiving a Zn amp W Stores the current configuration command or at power up Refer to the amp V command User s Manual User s Manual amp Znzx Store telephone number Nn IQn This command is used to store up to four dialling strings in the modem s non volatile memory for later dialling The format for the command is amp Zn stored number where n is the location 0 3 to which the number should be written The dial string may contain up to 40 characters The ATDS n command dials using the string stored in location n Result codes OK n 0 1 2 3 ERROR Otherwise Error control mode selection This command determines the type of error control used by the modem when sending or receiving data NO Buffer mode No error control WI Same as WO N2 MNP or disconnect mode The modem attempts to connect using MNP2 4 error control procedures If this fails the modem disconnects This is also known as MNP reliable mode N3 V 42 MNP or buffer default The modem attempts to connect in V 42 error control mode If this fails the modem attempts to connect in MNP mode If this fails the modem connects in buffer mode and continues operation This is also known as V 42 MNP auto reliable mode N4 V 42 or disconnect The modem attempts to connect in V 42 error control mode If this fails the call will be disconnec
20. ational Modem 2 9 Chapter 3 AT Commands In most cases you will not need to type AT commands manually However there might be some occasions when you will need to do so This chapter describes AT commands for data mode Fax commands are taken care of by application software The format for entering AT commands is ATXn where X is the AT command and n is the specific value for that command After you type in the command press Enter Any command issued is acknowledged with a response in either text or numeric values known as result codes All commands and command values accepted by the modem are described in this section any entry other than those listed results in an error Escape sequence The escape sequence allows the modem to exit data mode and enter on line command mode While in on line command mode you can communicate directly to your modem using AT commands Once you finish you can return to data mode using the ATO command A pause the length of which is set by Escape Guard Time 812 must be completed after an escape sequence is entered This pause prevents the modem from interpreting the escape sequence as data The value of the escape sequence character may be changed using register S2 A Repeat last command This command repeats the last command string entered Do not precede this command with an AT prefix or conclude it by pressing Enter A Answer command This command instructs the modem to
21. cating that a carrier signal is being received from a remote modem DCD normally turns off when the modem no longer detects the carrier signal SCH The state of the carrier from the remote modem is ignored DCD circuit is always on amp C1 DCD turns on when the remote modem s carrier signal is detected and off when the carrier signal is not detected default Result Codes OK n 0 1 ERROR Otherwise DTR control This command interprets how the modem responds to the state of the DTR signal and changes to the DTR signal amp DO Ignore The modem ignores the true status of DTR and treats it as always on This should only be used if your communication software does not provide DTR to the modem amp D1 If the DTR signal is not detected while in on line data mode the modem enters command mode issues an OK result code and remains connected amp D2 If the DTR signal is not detected while in on line data mode the modem disconnects default amp D3 Reset on the on to off DTR transition Result Codes OK n 0 1 2 3 ERROR Otherwise AT Commands 3 7 amp F Load factory settings This command loads the configuration stored and programmed at the factory This operation replaces all of the command options and the S register settings in the active configuration with factory values amp F Recall factory setting as active configuration amp Gn V 22bis guard tone control This command determines which guard tone if any to
22. cations User s Manual Glossary 1 Glossary 2 Checksum A method of checking data errors Data is divided into blocks and the total of the data in those blocks is checked to determine whether the data has been correctly transmitted The total value is called checksum Class 1 A standard for fax transmission The Toshiba international modem supports class 1 Command An instruction from the computer to control the international modem The commands of this international modem are based on the command system called AT Commands developed by Hayes a modem manufacturer Command state A state in which data from the personal computer is received as commands to control the international modem Data from the personal computer will not be output to the telephone line Compression Reduces the number of bits required to transmit information without loss of data CTS signal A Clear to Send signal is an RS 232C standard that indicates the modem is ready for transmission DAA Data Access Arrangement is a circuit that isolates a device from phone lines DCD signal This signal tells the personal computer whether the modem is receiving the carrier from the opposite station Dial tone The tone that is heard from the handset when it is picked up Dial mode Dial mode covers pulse dial and tone dial Pulse dial means turning the dial or pressing the buttons to send pulse signals to connect to the called party Tone dial means pressing the but
23. ces receiving data It uses two signals transfer ON and transfer OFF The signals are controlled by software Glossary 5 Index User s Manual A Analog loopback test See Test function Answer command 3 1 ASCII Charater Codes A 1 AT command set result codes 4 7 AT commands 1 1 answer command 3 1 busy tone detection 3 6 communication standard setting 3 2 data carrier detect control 3 7 data compression control 3 13 DCE response format 3 5 dial 3 2 dial tone detection 3 6 DTR control 3 7 echo command 3 3 error control mode selection 3 11 escape sequence 3 1 extended result codes 3 6 hook control 3 3 loading factory settings 3 8 local flow control selection 3 8 modulation handshake 3 4 monitor speaker mode 3 4 monitor speaker volume 3 3 recall stored profile 3 7 repeat last command 3 1 request ID information 3 3 result code control 3 5 return on line to data mode 3 4 select pulse dial make break ratio 3 8 select pulse dialling 3 5 select tone dialling 3 5 self test commands 3 9 store current configuration 3 10 store telephone number 3 11 V 22bis guard tone control 3 8 view active configuration and stored profile 3 9 view numbers in blacklist 3 13 AT escape character 4 2 Auto answer ring number 4 1 Automatic disconnect delay 4 4 Busy tone detection 3 6 C Call receiving 3 1 Comma pause time 4 4 Command line editing character 4 3 Command line termination cha
24. e data throughput The international modem has MNP5 and V 42bis data compression protocols The international modem frees your computer s serial port for connection of a serial mouse serial printer or other serial device The computer can be powered automatically when a remote transmission is received It works only when the computer is in Resume mode Refer to your computer s documentation for details on Ring indicator power on When the computer is set to Resume mode the modem settings and connection are automatically resumed when you turn on the power Refer to your computer s documentation for details on Resume mode User s Manual Function charts The chart below lists the international modem s functions Functions available in all operating systems Function Data V 90 K56flex V 34 V 32bis V 32 V 22bis V 22 V 23 V 21 BELL212A BELL103 MNP5 MNP4 V 42bis V 42 Fax V 17 V 29 V 27ter V 21 ch2 EIA 578 User s Manual Remarks From 56000 to 28000 bps reception only From 56000 to 32000 bps reception only From 33600 to 2400 bps 14400 12 000 9600 7200 4800 bps 7200 4800 bps 2400 1200 bps 1200 bps 1200 600 75 bps 300 bps 1200 bps 300 bps Data compression Error control Data compression Error control 14400 12000 9600 7200 bps 9600 7200 bps 4800 2400 bps 300 bps Class 1 command Introduction 1 3 Chapter 2 Using the International Modem This chapter describes con
25. e operation of V 42bis and MNP class 5 data compression On line changes do not take effect until a disconnect occurs first CO V 42bis MNP 5 disabled No data compression C1 V 42bis MNP 5 enabled Data compression enabled default Result Codes OK n 0 1 ERROR Otherwise Table 3 1 AT commands that vary according to country regulations ATA ATDP ATP AT B ATSO amp P 10PPS Australia Normal Enable Disable 0 to 255 Austria If 1 is not 0 Enable Enable 0 and 2 to 6 then active Belgium Normal Enable Enable 0 and 2 to 6 Denmark Normal Disable Disable 0 and 2 to 6 Finland Normal Enable Disable 0 and 2 to 6 France If S1 is not 0 Enable Enable 0 and 2 to 6 then active Germany If S1 is not 0 Enable Enable 0 and 2 to 6 then active Italy If 1 is not 0 Enable Enable 0 and 2 to 6 then active Netherlands Normal Enable Enable 0 and 2 to 6 New Zealand Normal Enable Disable 0 to 255 Norway Normal Enable Enable 0 and 2 to 6 Portugal Normal Enable Disable 0 and 2 to 6 Spain Normal Enable Enable 0 to 255 Sweden Normal Disable Disable 0 to 255 Switzerland Normal Enable Disable 0 and 2 to 6 U K Normal Enable Disable 0 to 255 AT Commands 3 13 Table 3 1 AT commands that vary according to country regulations continued Australia Austria Belgium Denmark Finland France Germany Italy Netherlands New Zealand Norway Portugal Spain Sweden Switzerland U K AT Commands 3 14 ATS11 Fixed 85 Fixed 85 Fixed
26. e result code summary Result Code Numeric Description OK 0 Command executed CONNECT 1 Modem connected to line RING 2 A ring signal has been detected NO CARRIER 3 Modem lost carrier signal or does not detect carrier signal or does not detect answer tone ERROR 4 Invalid command CONNECT 1200 EC 1 5 Connection at 1200 bps NO DIAL TONE 6 No dial tone detected BUSY 7 Busy signal detected NO ANSWER 8 No quiet answer CONNECT 2400 EC 1 10 Connection at 2400 bps CONNECT 4800 EC 1 11 Connection at 4800 bps CONNECT 9600 EC 1 12 Connection at 9600 bps CONNECT 14400 EC 1 13 Connection at 14400 bps CONNECT 12000 EC 1 25 Connection at 12000 bps CONNECT 16800 EC 1 86 Connection at 16800 bps CONNECT 300 EC 1 40 Connection at 300 bps CONNECT 21600 EC 1 55 Connection at 21600 bps CONNECT 24000 EC 1 56 Connection at 24000 bps CONNECT 26400 EC 1 57 Connection at 26400 bps CONNECT 28800 EC 1 58 Connection at 28800 bps CONNECT 31200 EC 1 59 Connection at 31200 bps CONNECT 33600 EC 1 60 Connection at 33600 bps DELAYED 2 88 Delay is in effect for the dialled number BLACKLISTED 2 89 Dialled number is blacklisted BLACKLIST FULL 2 90 Blacklist is full 1 EC only appears when the Extended Result Codes configuration option is enabled EC is replaced by one of the following symbols depending upon the error control method used V 42bis V 42 error control and V 42bis data compression V 42 V 42 error control only MNP 5 MNP class 4 e
27. ect XO Disable Disable Disable x1 Enable Disable Disable X2 Enable Enable Disable x3 Enable Disable Enable X4 default Enable Enable Enable X5 Enable Enable Enable X6 Enable Enable Enable X7 Disable Enable Enable Extended result codes Disabled Displays only the basic result codes OK CONNECT RING NO CARRIER and ERROR Enabled Displays basic result codes along with the connect message and the modem s data rate and an indication of the modem s error correction and data compression operation Dial tone detect Disabled The modem dials a call regardless of whether it detects a dial tone The period of time the modem waits before dialling is specified in register S6 Enabled The modem dials only upon detection of a dial tone and disconnects the call if the dial tone is not detected within 10 seconds Busy tone detect AT Commands 3 6 Disabled The modem ignores any busy tones it receives Enabled The modem monitors for busy tones Result Codes OK n 0 1 2 3 4 5 6 7 ERROR Otherwise User s Manual User s Manual Zn amp Cn amp Dn Recall stored profile The modem performs a soft reset and restores recalls the configuration profile according to the parameter supplied If no parameter is specified zero is assumed Either ZO or Z1 restores the profile Result Codes OK n 0 1 ERROR Otherwise Data Carrier Detect DCD control Data Carrier Detect is a signal from the modem to the computer indi
28. ghtning storm unplug the modem cable from the telephone Connecting the international modem A standard modular cable is supplied with the international modem Follow the steps below to connect the international modem to a telephone jack 1 Turn the connector so that the small connecting lever faces down 2 Squeeze the lever and plug the connector into the computer s RJ11 jack 3 Plug the other end of the cable into an RJ11 wall jack La Connecting the international modem 1 When you connect the RJ11 jack insert the jack until you hear a click Disconnecting the international modem When you need to disconnect the international modem s modular cable for transporting the computer or other reason follow the steps below 1 Pinch the connecting lever on the connector in the telephone wall jack and pull out the connector a ie V Disconnecting the cable from the wall jack 2 Disconnect the modular cable from the computer Using the International Modem 2 6 User s Manual Basic operation After you connect the modular cable to your international modem and a telephone jack you are ready to run your communication software Refer to your software documentation for instructions on operating your international modem As examples this section describes how to execute basic modem operations by typing AT commands directly into the communication software program You must be in terminal mode to enter the AT commands Refer to your
29. gnals to each other To set CTS RTS control enter the following AT command AT N3 Q3 V1 Any other MNP related settings should use factory default values XON XOFF control This control method is managed by software The start stop signals that is transfer on transfer off are included in the data stream To set XON XOFF control enter the following AT command AT N3 Q1 V1 Any other MNP related settings should use factory default values With this setting binary data cannot be transmitted using X MODEM Please use any settings recommended by the communications software Please refer to your communications software manual In some cases even when your modem and the remote modem are in MNP mode an MNP connection cannot be achieved Failure to achieve an MNP connection can be caused by line interference In this case hang up and retry the connection Also when an MNP connection is achieved a circuit problem can cause errors that stop data flow This condition should not be considered a malfunction If the remote modem is not in MNP mode N2 INS N4 and IN5 can result in errors In this case change the setting to NO or IW1 Facsimiles For fax communication use G3 Example AT N3 Q1 V1 Fax communication uses EIA 578 Class 1 commands and requires fax software Communication is controlled by the fax software Use only software compatible with EIA 578 Class 1 Do not use EIA 592 Class 2 compatible software Using the Intern
30. go off hook and answer an incoming call 1 Refer to table 3 1 for country specific codes User s Manual AT Commands 3 1 Bn Communication standard setting This command determines the communication standard CCITT or Bell BO Selects CCITT V 22 mode when the modem is at 1200 bps B1 Selects Bell 212A when the modem is at 1200 bps default B15 Selects V 21 when the modem is at 300 bps B16 Selects Bell 103J when the modem is at 300 bps default Result Codes OK n 0 1 15 16 ERROR Otherwise Dn Dial This command instructs the modem to dial a telephone number Enter n the telephone number and any modifiers after the ATD command Any digit or symbol 0 9 A B C D may be dialled as touch tone digits Characters such as spaces hyphens and parentheses do not count They are ignored by the modem but you may want to include them to make the number and modifiers easier to read The following may be used as phone number modifiers P Pulse dialling T Touch tone dialling default Pause during dialling Pause for time specified in Register S8 before processing the next character in the dial string W Wait for dial tone Modem waits for a second dial tone before processing the dial string Wait for quiet answer Wait for five seconds of silence after dialling the number If silence is not detected the modem sends a NO ANSWER result code back to the caller Hook flash Causes the modem to go on hook for 0 5
31. ialling Dialled digits are pulsed until a T command or dial modifier is received Tone dial is the default setting 1 Refer to table 3 1 for country specific codes Qn Result code control Result codes are informational messages sent from the modem and displayed on your monitor Basic result codes are OK CONNECT RING NO CARRIER and ERROR The ATQ command allows the user to turn result codes on or off Qo Enables modem to send result codes to the computer default Q1 Disables modem from sending result codes to the computer Result Codes OK n 0 1 ERROR Otherwise T Select tone dialling This command instructs the modem to send DTMF tones while dialling Dialled digits are tone dialled until a P command or dial modifier is received This is the default setting Vn DCE response format This command controls whether result codes including call progress and negotiation progress messages are displayed as words or their numeric equivalents VO Displays result codes as digits V1 Displays result codes as text default Result Codes OK n 0 1 ERROR Otherwise User s Manual AT Commands 3 5 Xn Result code selection call progress monitoring This command sets detection options for dial tones and busy signals which is its primary function It also however enables or disables extended result codes 1 Refer to table 3 1 for country specific codes Command Extended Dial tone detect Busy signal result code det
32. ications despite the high probability of error generation from line noise MNP error correction MNP Microm Networking Protocol was developed by Microm Networking Protocol MNP class 4 enables data correction of full duplex communications and also provides asynchronous synchronous conversion and data packet size negotiation to increase throughput The protocol of both modems must be the same therefore if the remote modem supports only class 3 or below the protocol for the remote modem will be used If the remote modem does not use MNP the communication will be made at the speed of the remote modem V 42 error correction The V 42 ITU T Rec V 42 protocol is recommended by the ITU International Telecommunications Union V 42 specifies two kinds of protocols LAP M Link Access Procedure for Modem and MNP classes 2 3 and 4 This protocol first tries to establish a link to the remote modem with LAP M If it is unsuccessful it tries to connect with MNP Although this modem uses class 4 correction it can connect in class 5 to remote modems that support class 5 User s Manual MNP and V 42 5 1 Operation modes The operation mode depends on whether an error protection protocol is being used Normal mode Errors are not corrected even if communication speed is different between a personal computer and modem or between modems the buffers in the modem and the flow control function permit communication without changing communicat
33. ion speed Reliable mode This mode used with MNP or V 42 protocols to ensure error free communication Commands Nn The following N modulation handshake commands are used to set the communication mode WO N1 Remote modem unable to use MNP or V 42 2 Remote modem uses MNP N3 Uncertain if remote modem can use MNP or V 42 N4 Remote modem uses V 42 N5 N7 Same as N3 For details refer to Chapter 3 AT Commands Flow control In both normal mode and reliable mode the buffers in the modem and its flow control function permit communication even if speed is different between a personal computer and modem serial port or between modems modem port If there is a speed difference between serial port and modem port the buffers in the modem will become full periodically Therefore communication speed is controlled so that data transmission or reception is temporarily halted before the data exceeds buffer capacity and that transmission is resumed when the receiving buffers have room This is the flow control function MNP and V 42 5 2 User s Manual The modem card has two kinds of flow control H Serial port flow control W Modem port flow control only in reliable mode Computer Modem Serial port Modem port flow control flow control Transmit Phone line Receive Phone circuit Flow control Serial port flow control User s Manual Serial port data flow is controlled by the modem in its co
34. is chapter describes the settings for each S register S register values The format for displaying the value of an S register is ATSn where n is the register number After you type in the register press Enter The format for modifying the value of an S register is ATSn r where n is the register number and r is the new register value After you type in the register and its new value press Enter S0 Auto answer ring number This register determines the number of rings the modem will count before automatically answering a call Enter O zero if you do not want the modem to automatically answer at all When disabled the modem can only answer with an ATA command Range 0 255 or 0 or 2 to 6 depending on the country Default 0 Units rings User s Manual S registers 4 1 S1 Ring counter This register is read only The value of S1 is incremented with each ring If no ring occurs over a six second interval this register is cleared Range 0 225 Default 0 Units rings S2 AT escape character user defined This register determines the ASCII values used for an escape sequence The default is the character The escape sequence allows the modem to exit data mode and enter command mode when on line Values greater than 127 disable the escape sequence Range 0 255 Default 43 Units ASCII S3 Command line termination character user defined This register determines the ASCII values as the carriage return characte
35. ive profiles on your computer s monitor amp V View active file For example Option Selection AT Command Comm Standard Bell B Command Char Echo Enable E Speaker Volume Medium L Speaker Control OnUntilCarr M Result Codes Enable Q Dialler Type Tone T P Result Code Form Text V Extend Result Code Enable X Dial Tone Detect Enable X Busy Tone Detect Enable X LSD Action Standard RS 232C amp C DTR Action Ignore amp D Press any key to continue Esc to quit AT Commands 3 9 Option V 22b Guard Tone Flow Control Error Control Mode Data Compression Auto Answer Ring AT Escape Char Carriage Rtn Char Linefeed Char Backspace Char Blind Dial Pause No Answer Time out Pause Time Selection Disable Hardware V 42 MNP Buffer Enable 0 43 18 10 8 2 sec 50 sec 4 sec Press any key to continue Esc to quit Option No Carrier Disc DTMF Dial Speed Escape Guard Time Data Calling Tone Line Rate DSVD mode Selection 2000 msec 95 msec 1000 msec Disabled 33600 Disabled Press any key to continue Esc to quit Stored phone numbers amp W AT Commands 3 10 amp Z0 amp Z1 amp Z2 amp Z3 OK Store current configuration Saves the current active configuration profile including S Registers AT Command amp G amp K N C SO S2 S3 S4 S5 S6 S7 S8 AT Command 10 11 12 35 37 SSE The current configuration comprises a list of storable p
36. ll override the value in register S6 This operation however may be affected by some ATX options according to country restrictions In some countries S6 will set dial tone detect time Range 2 65 Default 4or12 Units seconds S7 Connection completion time out This register sets the time in seconds that the modem must wait before hanging up because carrier is not detected The timer is started when the modem finishes dialling originate or goes off hook answer In originate mode the timer is reset upon detection of an answer tone if allowed by county restriction The timer also specifies the wait for silence time for the dial modifier in seconds S7 is not associated with the W dial modifier Range 1 255 Default 50 Units seconds User s Manual S registers 4 3 S8 Comma pause time This register sets the time in seconds that the modem must pause when it encounters a comma in the dial command string In some countries S8 will set both wait before dialling and comma pause time Range 0 65 Default 4 Units seconds S10 Automatic disconnect delay This register 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 temporary carrier loss without causing the local modem to disconnect The actual interval the modem waits before disconnection is the value in register S10 Range 1 254 Default 20 Units 1 seconds S11 DTMF dialling
37. lling Properties dialog box after selecting country Enable this option to automatically open the Windows Dialling Properties dialog box to make dialling settings Modem Selection Use this dialog box to select the COM port of your modem This dialog will be displayed automatically when the TOSHIBA international modem cannot be found Dialling Properties When you select this option the Dialling Properties window will appear Country list You can select from among the following 16 countries The list may vary depending on the type of modem 1 Austria 9 Italy 2 Belgium 10 Netherlands 3 Denmark 11 Norway 4 Finland 12 Portugal 5 France 13 Spain 6 Germany 14 Sweden 7 Greece 15 Switzerland 8 Ireland 16 UK User s Manual Using the International Modem 2 3 Country selection in Windows To make a country selection using Windows 95 98 and Windows NT 2000 follow the steps below 1 Open the control panel and double click the Modems icon 2 Click the Dialling Properties button to display the following window Dialing Properties BEI My Locations r Where am I am dialing from Defaut Location New Remove The area code is lam in United States of America 1 m How I dial from this location To access an outside line first dial m for local H for long distance T Dial using Calling Card Change IV This location has call waiting To disable it dial The phone
38. mmunication with a personal computer If serial port speed is higher than modem port speed this control function sends a transmission halt request to the personal computer before the buffers in the modem are about to become full When the buffers have room to receive data again the transmission halt request is cancelled and data transmission from the personal computer is resumed The international modem provides three kinds of serial port flow control one determined by software and two determined by hardware XON XOFF flow control software Flow control is performed by sending XON and XOFF control codes in the data stream The XOFF code makes a transmission halt request or the XON code makes a transmission restart request Since these two codes XON and XOFF are used as flow control characters binary data that has these two codes cannot be transmitted or received CTS RTS two way flow control hardware Flow control is performed by turning on and off the control lines CTS and RTS request to send between the modem and personal computer A transmission halt or restart request is made from the modem to the personal computer using the CTS signal A transmission halt or restart request is made from the personal computer to the modem using the RTS signal MNP and V 42 5 3 Commands On amp Kn Select flow control between the modem and personal computer serial port as follows When CTS RTS flow control is supported by comm
39. nection basic operations and country selection Country selection Telecommunication regulations vary from one country to another so you will need to make sure the international modem s settings are correct for the country in which it will be used e In some countries you cannot change the country code Also this utility is 1 not provided in some countries Dynamic selection using Toshiba utility This utility is used with Windows 95 98 and Windows NT 2000 1 Click Start point to Programs and Toshiba International Modem and click Country Selection 2 The Country Selection icon will appear in the Windows taskbar JAIRI 10 54 AM The Country Selection icon User s Manual Using the International Modem 2 1 3 Left click on the Country Selection icon the country selection list will appear The Country Selection List 4 Select the country in which the TOSHIBA International V 90 Modem will be used 5 Right click on the Country Selection icon the following menu will appear ai iios 11 03AM The Properties Menu Using the International Modem 2 2 User s Manual Setting You can change the following settings Show Flags for country selection Enable this option to show national flags in the Country Selection list instead of the country names AutoRun Mode Enable this option to automatically execute the Country Selection Utility when the OS boots up and set the modem to the selected country Open the Dia
40. nternational modem uses V 90 and K56flex technology The modem is capable of downstream speeds of 56Kbps kilobits per second when connected to an Internet Service Provider that supports V 90 or K56flex As with any modem the actual throughput speed of data transfer depends on analogue telephone line conditions which can vary considerably Therefore many users will experience throughput in the range of 28 50Kbps under normal telephone line conditions Upstream data flows at the V 34 rate Refer to Appendix D You can use the international modem to transmit and receive data at rates of up to 33 600 bps It supports the V 34 international standard for asynchronous data transmission on telephone lines and all other existing standards Refer to the function charts in this chapter You can use the international modem to transmit and receive facsimiles at rates of up to 14 400 bps It supports Class 1 fax transmission Refer to the function charts in this chapter The international modem is compatible with the industry standard Hayes AT commands and S register settings Introduction 1 1 Introduction 1 2 Error control Data compression Serial port access Ring indicator power on Resume This feature assures accurate data transmission even over telephone lines subject to noise interference The international modem uses Microcom Networking Protocol 4 MNP 4 and V 42 error correction Compression can greatly increas
41. number of times a signal repeats an identical cycle within a certain time period Full duplex Communications mode that uses two channels to conduct simultaneous two way communication Guard time An interval before and after an escape sequence that prevents the modem from interpreting the escape sequence as data Half duplex Communications mode that allows two way transmission but in only one direction at a time Handshake After a telephone line is connected from one station to another some signals are exchanged according to the ITU T or Bell standard to confirm that the standard is the same between the calling and called stations prior to starting data communication between them This exchange of signals is called handshake Hangup Hangup means disconnecting a telephone line to terminate communication ITU T Standard A series of communication procedures for telephone lines and analogue data transmission standardised by ITU International Telecommunications Union formerly CCITT User s Manual Glossary 3 Glossary 4 Modem Computers process digital signals but telephone lines carry analogue signals only Thus the digital signals output by computer are converted modulated into analogue signals which are carried through the telephone line to the opposite end where the analogue signals are converted back demodulated into digital signals The device to modulate and demodulate these signals is called the modem Modem po
42. ot wait for a dial tone add 1 the XO X1 or X3 to the AT command line For example ATX3DP 0 Press Enter Actual usage will vary according to the host system so please check with the system manager Receiving a call To set the number of rings before the international modem automatically answers the phone set the SO register as follows ATSO Press Enter The asterisk indicates the number of rings Refer to Chapter 4 S Registers for details Terminating a call The methods for terminating a call depend on the status of the communication E lf the international modem is dialling or has not yet gone on line you can terminate a call simply by pressing Enter E l the terminal is on line enter the escape code then enter ATHO Press Enter E lf the remote party s carrier is terminated the call will be automatically cut off lf the power to the computer is cut off the call is terminated Using the International Modem 2 8 User s Manual Setting the data flow control 1 User s Manual Data flow control is used to start and stop data transmission according to the status of the data buffer full or empty The following describes how to set the data flow control method CTS RTS hardware control or XON XOFF software Refer also to Chapter 5 MNP and V 42 CTS RTS control This control method is hardware dependent To control data flow the modem and computer transmit Clear To Send Request To Send si
43. r This character is used to end command lines and result codes Range 0 127 ASCII decimal Default 13 carriage return Units ASCII S4 Response formatting character user defined This register determines the ASCII value used as the line feed character The modem uses a line feed character in command mode when it responds to the computer Range 0 127 ASCII decimal Default 10 line feed Units ASCII S registers 4 2 User s Manual S5 Command line editing character user defined This register sets the character recognised as a backspace and pertains to asynchronous only The modem will not recognise 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 0 127 ASCII decimal Default 8 backspace Units ASCII S6 Wait before dialling This register sets the length of time in seconds that the modem must wait pause after going off hook before dialling the first digit of the telephone number The modem always pauses for a minimum of two seconds even if the value of S6 is less that two seconds The wait for dial tone call progress feature W dial modifier in the dial string wi
44. racter 4 2 Communication Conditions C 1 Communication parameters C 1 Communication standard setting 3 2 Connection completion time out 4 3 Correction See Error correction Country dependent access control Country selection command register 4 8 D Data carrier detect DCD control 3 7 Data compression 1 2 3 13 5 4 DCE response format 3 5 Dial 3 2 Dial line rate 4 5 Dial modes C 1 Dial tone detection 3 6 DTM dialling speed 4 4 DTR control 3 7 Index 1 Index 2 E Echo command 3 3 Error correction 1 2 control mode selection 3 11 MNP 5 1 operation mode 5 2 V 42 5 1 Escape guard time 4 4 Escape sequence 3 1 Extended result codes 3 6 F Facsimiles 1 1 Factory settings loading 3 8 Features 1 1 Flow control 5 2 commands 5 4 control selection 3 11 CTS RTS 2 9 3 8 5 3 modem port 5 4 serial port 5 3 XON XOFF 2 9 3 8 5 3 Function charts 1 3 H Handshake See Modulation handshake Hook control 3 3 K K56flex mode D 1 L Loopback test See Test function MNP class 5 5 1 5 4 Modulation handshake 3 4 Monitor speaker mode 3 4 Monitor speaker volume 3 3 O Operation modes See Error control P Pulse dialling selecting 3 5 R Recall stored profile 3 7 Repeat last command 3 1 Request ID information 3 3 Response formatting character 4 2 Result code control 3 5 Result code selection call progress monitoring 3 6 Return on line to dat
45. rror control and MNP class 5 data compression MNP 4 MNP class 4 error control only NoEC No error control protocol 2 In some countries these result codes may not appear S registers 4 7 Country select command and S register e Ems 1 In some countries these commands and S register are not supported S registers 4 8 S133 TE Country select This register sets the country code Code hexadecimal Country Australia Belgium Denmark Finland France Germany The Netherlands Italy New Zealand Norway Spain Sweden Switzerland United Kingdom Austria Japan Portugal USA Ireland Canada Greece Country dependent access control m O U So oO O om Q N Enables access to the country select register S133 which is normally disabled To enable this register execute the special AT command AT TE 1 Execute the special command To disable the register execute the command AT TE 0 User s Manual Chapter 5 MNP and V 42 The international modem has built in protocols MNP Class 4 and V 42 for error correction and MNP class 5 and V 42bis for data compression These protocols are also used for data compression and data flow control Error correction overview Telephone line noise or electrical interference can cause errors in data communication Noise is especially a problem at high speeds of say 14 400 bps or greater The MNP and V 42 protocols were developed to ensure reliable data commun
46. rt The port to send and receive data to and from the modem of a remote station MNP A protocol developed by Microcom a modem manufacturer in the United States which with an error correcting function built into the modem itself corrects errors in the modem Normal mode Error correction is not made by MNP or V 42 but even if serial port speed is different from modem port speed the buffers in the modem and its flow control function permits communication without changing their speeds On hook Off hook On hook means the handset is on the telephone and off hook means it is off The line is disconnected from the international modem when the handset is on hook and connected to the international modem when it is off hook Online Online means a state in which data communication is possible with a remote modem In the online state data from the personal computer is output via the international modem to the telephone line Parity An error detection bit added to a group of bits to make the sum of the bits even or odd Parity can be set to even odd or none Protocol A collection of rules and conventions setting out the timing and format for data exchange Public line A line served by a telephone company to be connected to an opposite station via the exchange Pulse dialling A dialling method that uses pulses instead of tones to generate a telephone number Generally associated with rotary dial phones although some push button phones
47. software documentation or on line help Connecting to a telephone line The AT commands for connecting to a telephone line depend on whether you are using a direct line or an extension line such as in an office building Direct access line To place a call using tone dialling enter ATDT Press Enter The asterisks indicate the number you are calling To place a call using pulse dialling enter ATDP Press Enter The asterisks indicate the number you are calling Extension line If you are calling from an extension line such as in an office building and need to dial zero or another number to gain external access follow the steps below To place a call using tone dialling enter ATDT 0 kkkkkkk 3 Press Enter The zero or other number is for line access the comma is for a pause about 4 seconds with the default setting to give time for a connection The asterisks indicate the number you are calling User s Manual Using the International Modem 2 7 To place a call using pulse dialling enter ATDP 0 kkkkkkk Press Enter The zero or other number is for line access the comma is for a pause about 4 seconds with the default setting to give time for a connection The asterisks indicate the number you are calling You can enter as many commas as you need The following example will result in a 12 second pause ATDT 0 55 kkkkkkk Press Enter e If you are using a PBX connection that does n
48. speed This register determines the dialling speed which is prefixed for each country Range 50 150 Default 85 or 150 Units 001 seconds S12 Escape guard time This register sets the value in 20 ms increments for the required pause after the escape sequence default 1 s Range 0 255 Default 50 Units 02 seconds S registers 4 4 User s Manual S37 Dial line rate This register sets the maximum dial line rate In K56FLEX and V 90 mode S37 sets the maximum upstream rate S37 0 default maximum modem speed S37 1 reserved 37 2 1200 75 bps S37 3 300 bps S37 4 reserved S37 5 1200 bps S37 6 2400 bps S37 7 4800 bps S37 8 7200 bps S37 9 9600 bps S37 10 12000 bps S37 11 14400 bps S37 12 16800 bps 537 13 19200 bps S37 14 21600 bps 537 15 24000 bps 537 16 26400 bps 537 17 28800 bps 537 18 31200 bps 537 19 33600 bps User s Manual S registers 4 5 S38 K56FLEX dial line rate S38 sets the maximum K56FLEX downstream rate that the modem attempts to connect 38 0 K56FLEX disabled S38 1 default maximum modem speed 38 2 32000 bps 38 3 34000 bps S38 4 36000 bps S38 5 38000 bps S38 6 40000 bps 38 7 42000 bps 38 8 44000 bps 38 9 46000 bps 38 10 48000 bps 38 11 50000 bps 38 12 52000 bps 38 13 54000 bps 38 14 56000 bps S registers 4 6 User s Manual AT command set result codes User s Manual The following table shows the result codes Th
49. system at this location uses Tone dialing Pulse dialing The Dialling Properties window 3 Select the country you want and close the window 1 This setting will be effective after cold boot Using the International Modem 2 4 User s Manual Country selection with AT commands DOS is not supported by the Country Selection utility If you use a DOS based communications software you will have to use an AT command to enter the country settings Country code input Start your communications software and set terminal mode Then follow the steps below 1 Type AT TE 1 and press Enter 2 Type ATS133 where the asterisk represents one of the hexadecimal values below and press Enter The values hexadecimal for each country are Australia 1 Sweden C Belgium 2 Switzerland D Denmark 3 UK E Finland 4 Austria F France 5 Japan 10 Germany 6 Portugal 18 Netherlands 7 USA 19 Italy 8 Ireland 1A New Zealand 9 Canada 1C Norway A Greece 21 Spain B 3 Type AT amp F and press Enter 4 Type AT amp W and press Enter 5 Type AT TE 0 and press Enter After setting up the country code input the ATZ command to reset the software User s Manual Using the International Modem 2 5 Connection procedures This section describes how to connect and disconnect the international modem to a telephone jack jack Do not connect the modem to a digital telephone line A digital line will damage the modem A In case of a li
50. t of itself give an unconditional assurance of successful operation on every PSTN network termination point In the event of problems you should contact your equipment supplier in the first instance ii User s Manual Network Compatibility Statement User s Manual This product is designed to work with and is compatible with the following networks It has been tested to and found to conform with the additional requirements contained in EG 201 121 Germany ATAAB ANOO5 ANOO6 ANOO7 AN009 ANO10 and DEOS 04 05 08 09 12 14 17 Greece ATAAB AN005 ANOO6 and GRO1 02 03 04 Portugal ATAAB ANOO 1 005 006 007 011 and P03 04 08 10 Spain ATAAB ANOO5 007 012 and ESO1 Switzerland ATAAB AN002 All other countries ATAAB ANO003 004 Specific switch settings or software setup are required for each network please refer to the relevant sections of the user guide for more details The hookflash timed break register recall function is subject to separate national type approval It has not been tested for conformity to national type regulations and no guarantee of successful operation of that specific function on specific national networks can be given Table of Contents Preface Manual contents nennen nnnm meme mener nnne vii Conventions vii Abbreviations i vii Keys ina a geed vii Key operation
51. t 34000 bits s K56flex mode Connection at 36000 bits s K56flex mode or V 90 Connection at 38000 bits s K56flex mode Connection at 40000 bits s K56flex mode or V 90 Connection at 42000 bits s K56flex mode Connection at 44000 bits s K56flex mode or V 90 Connection at 46000 bits s K56flex mode Connection at 48000 bits s K56flex mode or V 90 Connection at 50000 bits s K56flex mode Connection at 52000 bits s K56flex mode or V 90 Connection at 54000 bits s K56flex mode Connection at 56000 bits s K56flex mode Connection at 28000 bits s V 90 mode Connection at 29333 bits s V 90 mode Connection at 30666 bits s V 90 mode Connection at 33333 bits s V 90 mode Connection at 34666 bits s V 90 mode Connection at 37333 bits s V 90 mode Connection at 38666 bits s V 90 mode Connection at 41333 bits s V 90 mode Connection at 42666 bits s V 90 mode Connection at 45333 bits s V 90 mode Connection at 46666 bits s V 90 mode Connection at 49333 bits s V 90 mode Connection at 50666 bits s V 90 mode Connection at 53333 bits s V 90 mode Connection at 54666 bits s V 90 mode EC stands for the Error Control method which appears only when the extended result codes configuration option is enabled EC is replaced by one of the following symbols depending on the error control method used V42bis V 42 error control and V 42bis data compression V42 V 42 error control only NoEC No error
52. ted N5 V 42 MNP or Buffer same as N3 N7 V 42 MNP or Buffer same as N3 Result Codes OK n 0 1 2 3 4 5 7 ERROR Otherwise Local flow control selection 1Q0 Disable flow control Q1 XON XOFF software flow control Q3 CTS RTS to DTE default Result Codes OK n 0 1 3 ERROR Otherwise AT Commands 3 11 Vn Protocol result code WO Disable protocol result code appended to DCE speed W1 Enable protocol result code appended to DCE speed default Result Codes OK n 0 1 ERROR Otherwise V90 V 90 Dial Line Rate V90 sets the maximum V 90 downstream rate that the modem attempts to connect The asterisk represents one of the line rates listed below 0 V 90 disabled 1 V 90 enabled automatic speed selection maximum modem speed default 2 28000 bps 3 29333 bps 4 30666 bps 5 32000 bps 6 33333 bps 7 34666 bps 8 36000 bps 9 37333 bps 10 38666 bps 11 40000 bps 12 41333 bps 13 42666 bps 14 44000 bps 15 45333 bps 16 46666 bps 17 48000 bps 18 49333 bps 19 50666 bps 20 52000 bps 21 53333 bps AT Commands 3 12 User s Manual B View numbers in blacklist This command displays the phone numbers for which connections have failed If you are using the modem in a country that does not require blacklisting an error code results when you execute this command q Refer to table 3 1 for country specific codes User s Manual Cn Data compression control This command determines th
53. tions are executed by connecting your computer and modem to those of a remote station with a communication line If any errors or malfunctions are encountered it is necessary to check whether the cause is in the local station the remote station or in the communication line Test description User s Manual This international modem has a test function for local analogue loopback tests which identifies the cause of a malfunction The test can be used to check errors in data communications or to check operation following modem connection In conducting a test use the amp T command to select test mode and control For details on the amp T command refer to Chapter 3 AT Commands A general description of each test and its procedures is given below In this test data is transmitted from the computer is looped back analogue loopback within the modem from the transmitter to the receiver then is sent back to the computer This test enables the user to check whether the computer and modem operate in normal condition and whether they are properly connected Computer Modem Transmission z Transmitter R tion EN Local analogue loopback test Test Function 6 1 Testing procedure Test Function 6 2 To conduct the loopback test follow the steps below 1 2 Set the Toshiba Modem Port speed to 33 600 bps or less Enter as follows to set the modem to normal mode AT amp F NO Select OK to verify the answer code
54. ton to send tone signals to connect the modem to called party DSR signal This signal tells the personal computer whether the modem is ready for communication DTH signal This signal tells the modem whether the personal computer is ready for communication Echo Displays keyboard entry on the computer terminal EIA Electronic Industries Association is a manufacturers group that sets standards for data communications equipment Error control Detection of errors in data communication Requests retransmission of data in which errors were found Escape code This code is used to return to the command state without disconnecting the line when the international modem is online User s Manual FIFO First In First Out means the first data that enters a buffer is the first to be retrieved Fallback To reduce a modem s speed If the remote modem cannot communicate as fast as the local modem the local modem will reduce its speed Flow control Flow control ensures smooth data communication If operating speed differs between the personal computer and modem or between your modem and a remote modem and if the remote station runs short of buffer capacity a transmission halt request is sent from the receiver to the transmitter When the receiver has enough buffer capacity to resume receiving data a transmission restart request is sent There are two ways of flow control XON and OFF control codes and CTS and RTS signals Frequency The
55. unication software Q3 amp K3 Communication in reliable mode or normal mode When XON OFF flow control only is supported by communication software Q1 amp K4 Communication in reliable mode or normal mode For details refer to Chapter 3 AT Commands Modem port flow control Modem port flow control refers to flow control between the modems of the local station and remote station If data transmission from the modem under serial port flow control is interrupted because the computer cannot catch up with it modem port flow control is applied to the remote modem so that transmitted data will not exceed buffer capacity This flow control functions in normal mode only Data compression Protocols MNP class 5 and V 42bis are included in the modem to compress data received from the computer The receiving modem decompresses the received data and sends it to its own computer This data compression function increases actual transmission speed up to twofold in communications using MNP5 or up to three or fourfold in communications using V 42bis The compression ratio varies depending on the data Actual speed will not always be raised close to the maximum compression ratio Commands Cn Select whether or not to compress data in communications by MNP class 5 or V 42bis as follows C1 Enables data compression For details refer to Chapter 3 AT Commands MNP and V 42 5 4 User s Manual Chapter 6 Test Function Normally data communica
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