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DSU IV ESP User Manual - ADTRAN Support Community

1. 1 Phone Numbers Stored Number to Edit 1 10 NNNNNNN 2 SW 56 Auto Ans 1 Disabled 2 Enabled 3 DBU Options Depends on the DBU card See Configuring Dial Options on page 9 1 4 DBU Passcode 1 Enable Disable 1 Enable 2 Disable 2 Enter Code XXXX 1 Interface 1 VT 100 Control 2 SLIP Control 3 PPP Control 1 1200 BPS 4 Ethernet LAN 2 2400 BPS 2 Control Rate 3 9600 BPS 3 IP Options 1 Unit IP Address 2 Subnet Mask 3 GW IP Address Disabled 4 IP Security 2 Enabled 1 Get Community 4 SNMP Options 2 Set Community Disable 3 Trap Community 2 Generic Only 4 SNMP Traps 3 Enable All 5 Trap IP Address Enter Trap IP Number 1 5 1 6 Sys Name 7 Sys Contact 8 Sys Location Disabled 9 Authen Trap 2 Enabled 5 Telnet Options 1 Telnet Password 10 Minutes 2 30 Minutes 2 Telnet Timeout 3 60 Minutes 1 Manual Command Command 00 Command HH Value 00 2 Time Date 1 Current 1 Time 23 01 59 2 Date 08 15 01 2 Set Time 1 Set Hours 2 Set Minutes 3 Set Seconds 1 Set Month 3 Set Date 2 Set Day 3 Set Year 3 Software Rev Version CHKSUM RevX XXXX 4 LAN Mac Address 5 Serial Number XXXXXXXXXXXXXX Figure 5 2 Configuration MenuTree for Dial Management and Utilities Options 5 4 DSU IV ESP User Manual 61204011L1 1 Chapter 5 Configuration Overview AT Commands The DSU IV ESP can be configured and controlled with in band AT commands from an asynchronous DTE
2. DBU Options for V 34 Card Chapter 9 Configuring Dial Options Table 9 3 shows the equivalent AT commands for setting ERROR CONTROL FLOW CONTROL and COMPRESSION options Table 9 3 DBU Options AT Commands forV 34 Card Front Panel AT Command Description Error Control 1 BUFFERED NO Normal operation No error control Allows speed matching buffering and flow control 2 DIRECT N1 3 RELIABLE MNP N2 Direct operation No error control no buffer and no flow control Reliable MNP Operation Uses MNP Error Control 4 AUTO MNP N3 5 RELIABLE V 42 N4 Auto reliable MNP operation Tries MNP er ror control first uses normal operation if nec essary Reliable V 42 LAPM operation Uses V 42 LAPM error control If V 42 LAPM error control cannot be used the call is disconnect ed 6 REL V 42 MNP NS 7 AUTO V 42 MNP N6 Reliable V 42 LAPM or MNP operation Uses either V 42 LAPM or MNP error con trol If neither can be used the call is discon nected Auto reliable V 42 LAPM or MNP operation Tries to use V 42 LAPM error control first and MNP error control next If neither can be used then Normal operation is used Flow Control 1 Disabled Q0 Flow control disabled 2 XON XOFF Q1 Enables XON XOFF flow control 3 CTS ONLY Q2 Enables CTS flow control from DCE 4 RTS CTS Q3 Enables CTS flow control from DCE and RTS from DT
3. 0 AAA central office CPE iresi customer premise equipment CR CIR en command response CRO aeniea cyclic redundancy check ES clear to send CSU snaa as channel service unit CTS insosn clear to send lA decibel D I sees dial backup DCD ssri data carrier detect 61204011L1 1 DSU IV ESP User Manual G 1 Appendix G Acronyms Abbreviations DCE cnnccocaniconononos data communications equipment DDS wevccsssesscsetens digital data service DE eessen discard eligible DCL ccseiecscceeses data link connection identifier DSAP csceeeee destination service access point DSR seen data set ready DSU rinine data service unit RA NS data terminal equipment DTR ensisi data terminal ready BA AA extended address EBCDIC extended binary coded decimal interexchange code FECN scisso forward explicit congestion notification FER oooococococinonononos front end processor FIFO ccssssesesssees first in first out OT frame relay FRAD eessen frame relay access device FRE kosor frame relay forum FSU siea frame relay service unit EB graphical user interface HDLC aiaee high speed data link control LE E inactive HN internet protocol ISDN eessen integrated services digital network RR BE International Telecommunications Union KA iinacanacanicnciso keep alive Kbps kilobits per second LAN ennenen local area network LED DE light emitting diode A link integrity G 2 DSU IV ESP User Manual 61204011L1 1 Appendix G A
4. 4 wire Ue Telco Cable RJ45 to DB25 ElA232 Cable Cable V 35 Cable 100 Terminal or device running SLIP or async PPP protocol DTE Device Item Function DBU Interface ESP DBU card slot LAN Interface ESP Ethernet card slot Telco Connects to dedicated circuit ElA 232 Connects to a DTE interface Control Connects to a VT 100 terminal or a device running SLIP or async PPP protocol V 35 High speed DTE interface Power Switch Turns power on or off 115 VAC Connection Power cord connection Figure 3 4 DSU IV ESP Rear View 3 8 DSU IV ESP User Manual 61204011L1 1 Chapter 3 Operation DBU and Ethernet Card Slots The DSU IV ESP rear panel has two card slots for the installation of dial backup and ethernet cards To insert cards perform the following procedure Remove power from the DSU IV ESP 2 Slide the card into the corresponding rear slot until the card panel is flush with the DSU IV ESP chassis 3 Push card locks in until they click to secure the card and ensure proper installation Remove power from the unit before installing or removing ESP option CAUTION cards Card slots are keyed to prevent improper installation i e putting a DBU NOTE card into the ethernet slot Telco Connector Network Interface Connection The DSU IV ESP has an 8 position modular jack labeled TEL
5. DTE Device Switched N etwork DTE Device DSU IV ESP DSU IV ESP Figure 4 3 Dial Backup Application 4 4 DSU IV ESP User Manual 61204011L1 1 Chapter 4 Applications Entering Dial Backup Mode When a condition for entering dial backup mode is detected the ALARM LED turns on and the buzzer sounds The buzzer alternates between 30 seconds on and 30 seconds off unless the DDS line is restored or it is disabled by using the Quick key and selecting TURN OFF BEEP See the section Front Panel on page 3 5 for more information on the Quick key Operation During Critical Times 61204011L1 1 The DSU IV ESP allows the user to select the conditions that initiate the dial backup mode The factory default enables DBU mode upon detection of these conditions The following four conditions can cause a DSU IV ESP to enter dial backup mode Loss of Sealing Current Sealing current is a low voltage DC current provided by the central office CO to prevent corrosion over the copper wires used in the local loop Sealing current may also be used for local loop testing purposes An absence of sealing current generally is an indication that the loop is open Out of Service OOS Signal An OOS signal generated by the network indicates a device or devices in the network is out of service No Receive Signal This is an indication that the local loop copper pairs may be either open or shorted or the OCU in the CO is in
6. e An 68 position modular to 8 position modular cable for the 4 wire SW56 and 1 B D ISDN dial backup options e An8 position modular to 4 position modular cable for the V 34 backup option Customer Provides The customer must provide a male EJA 232 standard 25 pin D type or a male V 35 interface cable to use when connecting the unit to an external data service i e router For SNMP management the customer must provide access to the DSU IV ESP either through a SLIP port Async PPP port requires a male 25 pin D type connector or a 10BaseT ethernet port requires an ADTRAN ESP Ethernet card installed in the DSU IV ESP See Pinouts on page A 1 for the pin assignments for the control port for SLIP and Async PPP and the ethernet port Power Up The DSU IV ESP is provided with a captive 8 foot power cord terminated by a three prong plug which connects to a grounded 115 VAC power receptacle Power to the DSU must be provided from a grounded 115 VAC 60 Hz CAUTION receptacle 2 2 DSU IV ESP User Manual 61204011L1 1 Chapters Operation FRONT PANEL MENU STRUCTURE The DSU IV ESP uses a multilevel menu approach to access its many features All menu operations are displayed in the LCD window or the terminal See Figure 3 5 on page 3 11 for the terminal Main menu Main Menu The following section briefly describes the main menu s four branches which are displayed on the front panel LCD see Figure 3 1 Detailed information
7. 5 6 self test 13 16 serial connection E 1 61204011L1 1 service type information vii shipping damages 2 1 SNMP agent 1 4 MIB 1 4 network manager 1 4 SNMP management options 10 4 SNMP menu C 8 SNMP Telnet customizing features 4 3 minimum configuration requirements 4 3 SNMP about 1 4 specifications summary F 1 status dial backup mode 14 2 network rate DTE rate and data format 14 2 status information 14 1 status menu C 4 subnet mask 10 3 SW 56 operation 1 3 SW56 Auto Answer option 9 4 SW56 DBU card 1 2 SW56 DBU status 14 2 T tail circuit E 1 technical support how to contact xiii telco connector 3 9 telnet accessing through terminal menus 1 5 telnet options password 10 5 telnet timeout 10 5 terminal main menu C 3 terminal menu dial selection C 3 for VT 100 and telnet C 1 61204011L1 1 DSU IV ESP User Manual Index test AT commands 13 8 test options AT commands 8 2 B 7 test options menu 8 1 test pattern commands 13 9 test status display 13 3 test timeout option 8 2 testing how to initiate 13 2 tests how to exit 13 3 local DTE and loop 13 2 time and date function on utility menu 11 5 training information how to contact xiv transmit clock 7 7 troubleshooting error messages 13 4 for remote or local units 13 4 new installation 13 6 test sequence 13 7 U unit IP address 10 3 utilities menu 11 1 utility configuration C 9 V V 25 bis command set 5 7
8. 9 6K k5 DTE Rate 9 6K sync and async 4 19 2K k6 DTE Rate 19 2K sync and async 5 38 4K k7 DTE Rate 38 4K sync and async 6 56 57 6K k8 DTE Rate 56 sync or 57 6 async 7 Same as Loop k9 DTE Rate matches loop rate 1 Scrambler Off _FO DTE data scrambler disabled 64kbps loop rate only 2 Scrambler On Ei DTE data scrambler enabled 64kbps loop rate only 3 Suppress LBE _F2 Suppresses loopback enable code LBE in transmit data from the DTE after 30 bytes in a row detected 64 kbps loop rate only Data Format 1 Asynchronous amp Q0 Asynchronous DTE operation mode 2 Synchronous amp Q2 Synchronous DTE operation mode DTE CMD Option 1 Disabled none Disables all DTE command Modes 2 AT Command Set none Enables AT command mode for DTE 3 V 25 Sync none Enables V 25 SDLC command mode for DTE 4 V 25 BSC ASYNC none Enables V 25 bisync or async command mode for DTE Transmit Clock 1 Normal amp X0 Tx Clock from DSU selected 2 External amp X1 ETC Clock from DTE selected 3 Invert amp X3 Inverted Tx Clock from DSU selected 61204011L1 1 DSU IV ESP User Manual 7 3 Chapter 7 Configuring DTE Options Table 7 1 DTE Options AT Commands Continued GE Sien Bescniption CS Options 1 Forced On amp RO CS always on 2 Follows RS amp R1 CS state same as RS state 3 Fo
9. Command on page 11 3 for more information on entering the manual commands required to load these profiles Profile 1 is configured for a 56 kbps synchronous point to point or dial up operation with a V 35 connector AUTOMATIC DBU has been disabled for this configuration profile Use profile 2 for a 56 kbps asynchronous point to point or dial up operation with an ElA 232 connector AUTOMATIC DBU has been disabled for this configuration profile PROFILES 3 AND 4 61204011L1 1 Profiles 3 and 4 are identical to profile 1 with the addition of dial backup capability These profiles are used for enabling dial backup using two DSU IV ESP units One unit must be set for ANSWER and the other for ORIGINATE Use profile 3 to set the remote unit to ANSWER and profile 4 to set the host unit to ORIGINATE DSU IV ESP User Manual D 1 Appendix D Configuration Profiles Table D 1 Configuration Profiles Profile Numbers 00 1 01 2 02 3 03 4 Manual Command Escape Character 43 2BH 43 2BH 43 2BH 43 2BH CR Character 13 ODH 13 ODH 13 ODH 13 ODH LF Character 10 OAH 10 OAH 10 OAH 10 OAH BS Character 8 8 8 8 DBU Abort Call Timer 50 32H 50 32H 50 32H 50 32H Escape Guard Timer 50 32H 50 32H 50 32H 50 32H Command Echo Enable Enable Enable Enable Result Code Enable Enable Enable Enable Long or Short Code Long Lo
10. DTE Rate and Data Format This display line see Figure 14 1 on page 14 1 indicates the current loop rate on the first line The DTE data rate and format as selected in configuration are shown on the second line Dial Backup Information Type of Dial Backup Service This display line see Figure 14 1 on page 14 1 indicates the type of dial backup service installed in the DSU IV ESP The following messages are displayed according to the dial backup option installed in the DSU IV ESP ISDN DBU Status 1 B D Basic Rate ISDN backup option installed SW56 DBU Status 4 wire Switched 56 backup option installed V 34 DBU Status V 34 backup option installed DBU Status Not Installed No backup service option card installed in the DSU IV ESP unit Current Status of Dial Backup Mode 14 2 This display line see Figure 14 1 on page 14 1 indicates the backup service status Possible messages include the following Answering Call The DSU IV ESP detected an incoming call message and is initiating call setup procedure Call Disconnect Call disconnect message received from the remote end Called Unit Busy The unit called is currently busy and cannot be connected ISDN only DSU IV ESP User Manual 61204011L1 1 61204011L1 1 Chapter 14 Viewing Status Information Dialing The unit is dialing the selected number Going to DBU The DSU IV ESP is entering dial backup mode Idle Messages are not being transmitted but
11. Enter the subnet number This address is available from the network administrator Gateway IP Address if required Enter the Gateway node IP address This address is necessary only if the DSU IV and the network manager are connected through a Gateway node This address is available from the network administrator Special Features of this Application 61204011L1 1 Customize the SNMP Telnet application using the following DSU IV ESP features e Designate SNMP hosts to receive SNMP traps from the DSU IV one to five entries e Secure the DSU IV by limiting SNMP network management access If enabled the DSU IV only responds to a user configured list of SNMP network managers one to five entries Configure these options through the Management portion of the Configuration menu See Chapter 10 Management Functions on page 10 1 for more information DSU IV ESP User Manual 4 3 Chapter 4 Applications DIAL BACKUP APPLICATION The DSU IV provides point to point connection to the network With one of the ESP DBU option cards installed the unit is capable of dial backup allowing the unit to dial around a failed network See Figure 4 3 With the DBU options configure the unit to e Enter DBU under specific primary network conditions e Lock out DBU over the weekend and or at specified times of the day e Dial a specified number when a DBU activation condition is detected V 34 ISDN or 4 W ire Switched 56
12. the chassis for disaster recovery across the switched network in case of a primary link failure The DSU IV ESP supports the following DBU modules e V 34 Analog POTS DBU 33 6Kbps ADTRAN P N 1204002L2 e 4 Wire Switched 56 DBU ADTRAN P N 1204001L1 e 1B D Basic Rate ISDN BRI DBU ADTRAN P N 120400411 61204011L1 1 DSU IV ESP User Manual 9 1 Chapter 9 Configuring Dial Options 1 Phone Number Stored number to edit 1 10 NNNNNNN 1 Network Opt 2 DTE Options 2 SW56 Auto Ans 1 Disabled 3 Test Options 2 Enabled Config 4 Dial Options 1 Disabled 5 Management 1 Automatic DBU 2 Enabled 1 DBUwith 1 6 Utilities 3 DBUOptionss 2 NumbertoDial 2 DBUwith 2 1 Disabled 3 Origin Answer 1 DBU Originate 1 When OOS 2 Enabled 2 DBU Answer 4 DBU Criteria 2 No RX Signal 1 Disabled 2 Enabled 5 Auto Restore Restore Timer AAA AA 0 Off 0 Min 3 No Seal Cur 1 Disabled 2 Enabled 6 Redial Counter Enter Redial Count 0 4 When all 1s 0s 1 Disabled 7 Fail Timer Auto DBU Fail Time 2 Enabled 0X10 Sec BEE 5 Answer Always 1 Disabled 8 Wait to Redial Wait to Redial 2 Enabled Time 0 Sec Tea ey 6 Weekend Lockout 1 Disabled S4WDBUOptionCard 2 Enabled Network Type AT amp T MCI Other MA US Sprint 7 Daily Lockout 1 Disabled Po 2 Enabled V 34 DBU Option Card 8 Lockout Start 1 Lockout start Error Control
13. 1 Buffered 2 HR 0 23 xx 2 Direct ana S 3 Reliable MNP 9 Lockout End 1 Lockout end 4 Auto MNP 2 HR 0 23 xx 5 Reliable V 42 tye 6 Rel V 42 MNP 7 Auto V 42 MNP Flow Control 1 Disabled 2 XOn XOff 3 CIS only 4 RTS CTS 5 Uni XOn XOff Compression 1 Disabled 2 Enabled ISDN DBU Option Card Switch Type 1 AT amp T 5ESS 1 Enable Disable 1 Enable 2 NT DMS 100 2 Disable 3 National ISDN 4 DBU Passcode 2 Enter Code XXXX Figure 9 1 Dial Options Configuration Menu Tree 9 2 DSU IV ESP User Manual 61204011L1 1 Chapter 9 Configuring Dial Options Phone Numbers The DSU IV ESP stores up to 10 numbers of 36 digits each Edit a phone number by reentering the entire number This process overwrites the previously stored number Table 9 1 shows the AT Commands available for the PHONE NUMBER option Table 9 1 AT Commands for Storing Phone Numbers AT Command Description amp Zn Store Phone Number amp Z9 Enter SPID Number for ISDN dial backup amp Z10 Edit LDN for ISDN dial backup ISDN Dial Backup Setting the Service Profile Identifier SPID For ISDN dial backup the service profile identifier SPID is stored in Stored Number 9 The SPID is a sequence of digits identifying ISDN terminal equipment to the ISDN switch when more than one ISDN set has been attached to the same central office line T
14. 5 Table A 1 Table A 2 Table A 3 Table A 4 Table A 5 Table A 6 Table B 1 Table B 2 Table B 3 Table B 4 61204011L1 1 Front Panel LED Descriptions ENNEN 3 7 Network Options AT Commands EE 6 3 DTE Options AT Commande 7 3 Transmit Clock AT Commande 7 7 Short amp Long Delays at Different Operating Speeds e 7 8 Test Options AT Commands NENNEN 8 2 AT Commands for Storing Phone Number 9 3 DBU Options AT Commands for All Models e 9 4 DBU Options AT Commands for V 34 Card conoonocononeninnnnnnnncnnnnrnranenncnnananos 9 9 Manual Commands cineasta lidia 11 4 Messages from the DSU CSU nee 13 5 Troubleshooting New Installs EE 13 6 Test AT Commands coinciden cid id 13 8 DTE With Test Pattern Commande 13 9 Remote Tests and AT Commande 13 17 Pin Assignments for Telco Connector occcinoconiconnnnonannnononananoninrncorananncncnoos A 2 Pin Assignments for ESP DBU Card Connectors enccocicococnnnnnnininnncnnncncncnoos A 2 Pin Assignments for Primary ElA 232 Connector cocococicicononicnononininanononoss A 3 Pin Assignments for Primary V 35 Connector mcciccccnoninninaninoncnnncnnaninacncnoos A 4 Pin Assignments for Control Connector occcocociconinnonannnnnonaninoncncncnnananncncnoos A 5 Pin Assignments for 10BaseT Connector eococncncnconnninonincncncnononcnnononanannononoos A 5 AT Comimiand Sis scs ccsi0c52 cicseeeteces teste henivee tech nies Sih ege B 1 DTE Options AT Commande E B 3 Network Options AT Command EE B 6 Test Options AT Comm
15. 6 CANCE WEE 3 6 Up and Down ATOW Sherise nni inaita i E A A AN N E 3 6 LED Descriptions seisine a a a E a e aae 3 6 Rear R melenger e N A Aa Baia vs e ee A Re AES 3 8 DBU and Ethernet Card Glots 3 9 Telco Connector Network Interface Connection coooooccoccnonoononnnonnonnnonnconanononnncn non nos 3 9 EIA 232 and V 35 Connectors DTE Data Connection Primary DTE 3 10 Control Portas all aliens a Ns ida 3 10 VT 100 Terminal Connection And Operation ccocccnnnnnconnnonanononinnnnoronnnnnnnorononnnnonroronnnnnos 3 11 Chapter 4 Applications LAN Application With SNMP Telnet Management ENEE 4 1 Minimum Configuration Requirements for SNMP Telnet Access 4 3 A O 4 3 IEN AA tt TAE 4 3 Subnet Mask tt e a Bn ir As 4 3 Gateway IP Address if required coceconencncoonnoncncnnrnenenncacnnnnnnrnrnnnanacananonnnnos 4 3 Special Features of this Application moococonconcnononcononononennrnnnenncnnnnaronorarnnnnnanararoanass 4 3 Dial Backup Application 2 eer comido iron esee e e ai pia a 4 4 Entering Dial Backup Mode ue 4 5 Operation During Critical Times oonncncninnnnnninnnnnnnonnnnncncnnncnrnnccncororonancnocororoncnnnos 4 5 Loss of Sealing Current micras ic la td ld ta 4 5 Out of Service OOS Signal ENEE 4 5 No Receive AAA ei e ates beech eae Soe 4 5 All 1s or all OS Condition oerna aeie eraa e aeiaai 4 5 eet AIWA Y Se e eer ENEE 4 6 Operation During Noncritical Times ENEE 4 6 xvi DSU IV ES
16. 8 CD OPTIONS 61204011L1 1 4 DIAL OPTIONS 9 TR OPTIONS 5 MANAGEMENT A SR OPTIONS 6 UTILITIES Figure 7 2 Transmit Clock Options Table 7 2 shows the AT commands used to set the TRANSMIT CLOCK option Table 7 2 Transmit Clock AT Commands 1 NORMAL TX clock from DSU selected 2 EXTERNAL amp X1 ETC clock from DTE selected The EXTERNAL CLOCK option allows the DSU IV ESP to accept MASTER CLOCK timing from the External DTE Port as defined under DTE Options connector type The CLOCK SOURCE under NETWORK OPTIONS must also be set to MASTER as noted in the section Clock Source on page 6 4 DSU IV ESP User Manual 7 7 Chapter 7 Configuring DTE Options The EXTERNAL CLOCK option is normally used in modem tail circuit applications A DSU Tail Circuit cable interconnect diagram for this application is shown in Figure E 1 on page E 2 in Appendix E The EXTERNAL CLOCK option is also recommended when the EJA 232 connector is used for 56 kbps and 64 kbps applications Using this option eliminates data errors caused by excessive delays in the DTE transmit clock receiver and transmit data driver The INVERT CLOCK option is recommended when the EIA 232 connector is used for rates other than 56 kbps or 64 kbps Clear to Send CS Options 7 8 The Cs OPTIONS menu is used to select the control mode for the CS lead The default factory setting is FOLLOWS RS wITH CS DELAY SHORT If one of the options chosen inv
17. Dial ESP DBU When in SW56 mode SW56 NETWORK TYPE selected the DIAL SW56 selection is shown in the TERMINAL INTERFACE menu see Figure C 2 on page C 3 and Table C 1 on page C 3 When a DBU ESP card is installed and the DEDICATED NETWORK TYPE is selected the DiaL ESP DBU selection is shown instead Dial SW56 Options This menu is available when operating in SW56 mode see Figure C 13 Choose to dial a stored number or enter a number manually OSU IV ESP DIALING MENU 1 DIAL STORED NUMBER 2 MANUAL DIAL ENTRY ESC EXIT ENTER SELECTION gt _ Figure C 13 SW56 Dialing Menu 61204011L1 1 DSU IV ESP User Manual C 11 Appendix C Terminal Menu Structure Dial ESP DBU The menu shown in Figure C 14 is available when an ESP option card is installed in the DSU IV ESP and the NETWORK TYPE is set to DEDICATED See Chapter 12 Activating Dial Functions on page 12 1 for more information on individual menu selections OSU IV ESP DBU CONTROL MENU DBU OPERATIONS 1 GO TO DIAL BACKUP 2 DBU ONLINE TEST ESC EXIT ENTER SELECTION gt _ Figure C 14 Dial ESP DBU Menu C 12 DSU IV ESP User Manual 61204011L1 1 Appendix D PROFILE 1 PROFILE 2 Configuration Profiles The DSU IV ESP contains four different user profiles sets of configurations options stored in read only memory see Table D 1 on page D 2 The unit is shipped from the factory with profile 1 loaded into the nonvolatile configuration memory See Manual
18. Enter edit stored numbers 1 10 6 9 DTE DDS PRTNs 1 4 10 XMIT 2047 PTRN 11 XMIT 511 PTRN 16 Self tes 12 15 XMIT DDS PTRNs 1 4 1 Remote Address 2 Data From DTE 3 2047 Test PTRN 5 Remote Test 4 511 Test PTRN 5 8 DDS PTRNs 1 4 Dedicated network type with DBU card installed 6 Dial ESP DBU 1 Go to Dial Backup 2 DBU Online Test 4 Management 5 Utility 1 SNMP 1 System Name 2 Interface 2 System Location 3 Control Rate 3 System Contact 4 IP Address 4 SNMP Get Community 5 Subnet Mask 5 SNMP Set Community 6 GW IP Addr 6 SNMP Trap Community 8 Session Timeout 7 Telnet Password 7 SNMP Traps 8 Authentication Traps 9 IP Security 9 Trap Host IP Address 1 5 10 14 IP Filter Address 1 5 1 Time 2 Date 1 Dial Stored 2 Manual Dial Entry Dedicated network type with no DBU card installed 6 N A SW56 network type 6 Dial SW56 1 Dial Stored Number 2 Manual Dial Entry C 2 3 Serial Number 4 LAN Mac Address 5 Front Panel 6 Enter Manual CMD Figure C 1 Terminal Menu Tree DSU IV ESP User Manual 61204011L1 1 Appendix C Terminal Menu Structure TERMINAL INTERFACE MAIN MENU The TERMINAL INTERFACE menu is the opening menu to all operations of the DSU IV ESP Select one of the choices by pressing the corresponding number then press Enter See F
19. Figure 4 1 on page 4 2 e A device e g a router running async PPP protocol Connection is made through the DSU IV s control port See Figure 4 1 on page 4 2 61204011L1 1 DSU IV ESP User Manual 4 1 Chapter 4 Applications A LAN Connection is made through the optional 10BaseT ethernet interface provided on the ESP ethernet card P N 1204005L1 See Figure 4 2 OQ LE SNMP SLIP PPP D A Managment Station V 35 el e j SLIP PPP v 35 S DDS or Sa Frame Relay 383 CER Y 2S DSU IV ESP DSU IV ESP Figure 4 1 SLIP PPP LAN Application with SNMP Telnet Management SES Q B LS e gt SNMP Management Station Ethernet Ethernet EIA 232 or V 35 DDS or Frame Relay DSU IV ESP Figure 4 2 Ethernet LAN Application with SNMP Telnet Management 61204011L1 1 DSU IV ESP User Manual 4 2 Chapter 4 Applications Minimum Configuration Requirements for SNMP Telnet Access The following options are the minimum configuration requirements for establishing SNMP or Telnet access Once these options are configured the remaining options may be configured using SNMP Telnet See the menu tree in Figure 10 1 on page 10 2 for the front panel menu path to these options Interface Select SLIP Control PPP Control or Ethernet LAN as the DSU IV interface type The ESP ethernet card must be installed for the Ethernet LAN selection IP Address Enter the DSU IV ESP IP address Subnet Mask
20. Signal Element SCX A W 113 External TX Signal Element SCX B NN Test Indicator TI DSU IV ESP User Manual 61204011L1 1 Appendix A Pinouts Table A 5 Pin Assignments for Control Connector DB25 DB9 RJ Pin Name Description 7 5 1 GND 4 7 2 RTS 2 3 3 TD 6 6 4 DSR O 3 2 5 RD O 5 8 6 CTS O 7 not used not used 8 not used not used Used for hardware flow control Table A 6 Pin Assignments for 10BaseT Connector Description The positive signal for the TD differential pair This signal contains the serial output data stream transmitted onto the network The negative signal for the TD differential pair pins 1 and 2 The positive signal for the RD differential pair This signal contains the serial input data stream received from the network not used Pin Name 1 TD 2 TD 3 RD 4 5 N A 6 RD 7 8 N A The negative signal for the RD differential pair pins 3 and 6 not used 61204011L1 1 DSU IV ESP User Manual A 5 Appendix A Pinouts A 6 DSU IV ESP User Manual 61204011L1 1 Appendix B 61204011L1 1 AT Commands Table B 1 shows the AT commands available for the DSU IV ESP Table B 1 AT Commands Command _ Title Default A Reexecute Command none ATA Answer none ATDn Dial Number none ATE Echo Command 1 ATH Hang Up Call none ATO Go Online none ATQn Result Co
21. adapter cable and connector provide a standard DB 25 EJA 232 interface See Appendix A Pinouts on page A 1 for the control port s pin assignments The control port also functions as the SLIP or Async PPP port when configured for SNMP management The pinouts are identical when operating in an SNMP management mode 3 10 DSU IV ESP User Manual 61204011L1 1 Chapter 3 Operation VT 100 TERMINAL CONNECTION AND OPERATION To control the DSU IV ESP using a VT 100 terminal perform the following procedure 1 5 61204011L1 1 Select a terminal interface through the front panel Select CONFIG gt MANAGEMENT gt INTERFACE gt TERM CONTROL Set the CONTROL RATE to match the VT 100 terminal Using the provided VT 100 terminal adapter cable connect the Com port of a VT 100 compatible terminal or equivalent to the eight pin modular jack labeled CONTROL on the rear of the DSU IV ESP This connection is used for both local and remote configuration Establish the connection and press Enter repeatedly until the TERMINAL MENU appears Figure 3 5 Ee a 1 STATUS 2 LOCAL CONFIG 3 REMOTE CONFIG 4 LOCAL TEST 5 REMOTE TEST 6 DIAL SW56 ESC EXIT ENTER SELECTION gt Figure 3 5 Terminal Interface Main Menu SW56 Mode Make selections by entering the number corresponding to the chosen parameter Press ESC to return to the previous screen DSU IV ESP User Manual 3 11 Chapter 3 Operation Due to the increased
22. amp S3 Off 5 sec after disconnect SW56 only 4 Off Test only amp SO_CO Off for test only 5 Off test OOS amp S1_CO Off for test and OOS 6 Off test LOCD amp S5 Off 5 seconds after disconnect or test NOTE DTE Rate For IDLE WHEN OFF option In SW56 mode TR off causes the DSU to go On Hook Idle The unit does not dial out if TR is off In dedicated mode the DSU goes into DTE command mode when TR goes off When TR goes on if the DSU does not receive a command in the number of sec onds set in S40 the DSU goes into data mode The DSU IV allows subrate looprates If a DTE rate higher than the current loop rate is selected the DTE rate automatically sets to match the slower loop rate the DSU IV ESP briefly displays DTE RATE SAME AS THE NETWORK before returning to the status screen The factory default setting is SAME As Loop If the DSU IV ESP is set for a loop rate of 64 kbps then scrambler on off options are available The factory default setting is SCRAMBLER OFF CAUTION 61204011L1 1 For 64 kbps clear channel operation the DTE data sequences might mim ic network loop maintenance functions and erroneously cause other net work elements to activate loopbacks To prevent this the SCRAMBLER ON option should be selected for both the local and remote DSU IV ESP DSU IV ESP User Manual 7 5 Chapter 7 Configuring DTE Options Connector Type The CONNECTOR TYPE o
23. be selected in order for the unit to display status messages Pressing Quick returns to the Main menu where STATUS can be selected Table 13 1 Messages from the DSU CSU Message Meaning Probable Cause Action Loop is Good local loop signal Indicates good local No action required unit Normal being received from loop properly connected to the telco telco circuit Open Loop Unit not receiving a sig Bad telco cable from Replace telco cable nal from the telco the DSU to telco jack from DSU to wall jack If or bad circuit to telco a problem persists contact telco provider No RX Signal Unit detects sealing Bad conductor in tel Replace telco cable current but no data sig co cable from DSU to from DSU to wall jack If nal from telco telco jack or bad cir a problem persists cuit to telco contact telco provider OOS OOF Unit detects an out of Telco is having prob Check remote unit From Net service or out of frame lems with DDS circuit Contact telco service condition from the telco or remote unit is provider turned off or discon nected Check Telco Transmit receive pair Telco wall jack wired Switch wire pairs in wall Line reversal detected incorrectly jack or contact telco service provider Test from Telco activated a loop Telco is testing circuit Wait until test is com Telco back to test the DDS plete or contact telco circuit service provider 61204011L1 1 DSU IV ESP User Manu
24. bis command set is a subset of the CCITT V 25 bis command set In addition to the CCITT commands supported ADTRAN has added configuration commands for both local and remote DSUs The ADTRAN V 25 bis command set follows CNL Configuration local CNR Configuration remote Possible responses to V 25 bis commands follows VALA Valid V 25 command processed INV An invalid command detected INVCU Unknown command detected INVPS Invalid parameter syntax INVPV Invalid parameter value INVBL Invalid local password INVBM Invalid remote password If verbose responses are disabled ATVO0 the following three character responses are the only ones returned VAL Valid V 25 command processed INV Invalid command received DSU IV ESP User Manual 5 7 Chapter 5 Configuration Overview Syntax and Possible Responses 5 8 CNL Configuration Local This command is used to pass AT commands to the local DSU via the V 25 bis command processor This allows the DSU IV ESP to be configured with AT commands using a synchronous interface The format is as follows CNL LOCAL PASSWORD AT ONE OR MORE AT COMMANDS A local password may not be required depending on the present configuration of the unit Responses to CNL commands are returned in the data format currently configured Possible responses include VALA and INVAn CNR Configuration Remote This command is used to pass AT commands over the network to the remote DSU via the V 25 bis c
25. command or a response CRC cyclic redundancy check A computational means to ensure the accuracy of frames transmitted between devices in a frame relay network The mathematical function is computed before the frame is transmitted at the originating device Its numerical value is computed based on the content of the frame This value is compared with a recomputed value of the function at the destination device H 2 DSU IV ESP User Manual 61204011L1 1 Appendix H Glossary CS See CTS CSU See channel service unit CTS clear to send A signal on the DTE interface indicating that the DCE is clear to send data DBU dial backup Providing a secondary switched dial service to route data upon pri mary link failure data service unit DSU A device designed to transmit and receive digital data on digital transmis sion facilities dB decibel A unit of measure of signal strength usually the relation between a transmitted signal and a standard signal source data communications equipment DCE Device that provides all the functions required for connection to telephone com pany lines and for converting signals between telephone lines and DTE Also see DTE DDS digital data service A private line digital service for transmitting data end to end at speeds of 2 4 4 8 9 6 and 56 kbps and in some cases 19 2 38 4 or 64 kbps The systems can use central hub offices for obtaining test access bridging legs of multipoint circui
26. is provided in the individual chapters for each menu branch 1 STATUS 2 TEST 3 CONFIG 4 DIAL Figure 3 1 Main Menu LCD Display The opening menu is the access point to all other operations Each Main menu item has several functions and submenus to identify and access specific parameters 61204011L1 1 DSU IV ESP User Manual 3 1 Chapter 3 Operation Main Menu Descriptions The branches of the front panel Main menu are divided into options for STATUS TEST CONFIGURATION CONFIG and DIAL Status STATUS menus display all relevant information for the network and DTE interfaces The system returns to the STATUS display when idle For more information see Viewing Status Information on page 14 1 Test Use TEST menus to control local and remote testing Select LOCAL or REMOTE testing and the type of test and test pattern when required For more information see Testing and Troubleshooting on page 13 1 Configuration Use CONFIGURATION menus to select network and DTE operating parameters configure testing and dialing options select management functions and configure unit utilities This menu branch is divided into several chapters for easier reference The division includes a brief overview chapter followed by a separate chapter for each of the six submenus Configuring Network Options on page 6 1 Configuring DTE Options on page 7 1 Configuring Test Options on page 8 1 Configuring Dial Options on page 9 1 Managemen
27. local DSU IV ESP 61204011L1 1 DSU IV ESP User Manual 13 11 Chapter 13 Testing and Troubleshooting DTE Only The DTE ONLY test provides a method for testing both the DTE interface drivers and receivers of the local DSU IV ESP plus its loop transmitter and receiver For this test the loop transmit data is connected to the loop receive data at a point close to the physical network interface This test can be used to verify proper operation between the local DTE and the local DSU IV ESP When this test is implemented the far unit receives an OOS OOF mes sage from the network and enters an alarm state NOTE LOCAL ge DSU CSU mD l gt DTE Tx Ba NETT S ZEN DTE Rx Bel NETR eee Figure 13 7 DTE Only Test Diagram Test Purpose The DTE ONLY test is used for the following purposes e Verify integrity of the DTE interface e Verify integrity of connection between DTE and DSU IV ESP Interpreting Test Results A BERT tester must be used to interpret the test results of a DTE ONLY test because the BERT originates external to the local DSU 13 12 DSU IV ESP User Manual 61204011L1 1 Chapter 13 Testing and Troubleshooting DTE With Test Pattern The DTE WITH TP test pattern test is similar to the DTE ONLY test described previously except the test pattern is generated in the DSU using the DSU CSU internal test pattern generator This test can be
28. menu structure 3 1 function keys for menu travel 3 3 G gateway IP address 10 3 H help desk how to contact xiii l interfaces for SNMP and Telnet management 4 1 IP filter address 10 3 IP options 10 3 IP security 10 3 ISDN dial backup passcode 9 11 ISDN DBU status 14 2 ISDN dial backup 9 3 ISDN switch types 9 11 L LAN application Index 2 DSU IV ESP User Manual with SNMP Telnet management 4 1 LDN number for ISDN dial backup 9 3 local remote configuration menu C 5 local remote test menus C 10 loop only test 13 11 M management configuration functions 10 1 management configuration C 8 management interface types 10 3 manual command for unit utilities 11 3 how to enter a manual command 11 3 manual commands configuration 11 4 modem tail circuit application E 1 N network interface connection 3 9 network options AT commands 6 1 network options 6 1 network type S4W card 9 8 P phone number storage 9 3 pinouts 10BaseT Connector A 5 control connector A 5 EIA 232 connector A 3 ESP DBU card connectors A 2 telco connector A 2 V 35 connector A 4 power cord type of 2 2 product overview 1 1 product warranty xii R rear panel control port 3 10 description 3 8 installing DBU and ethernet cards 3 9 receipt inspection 2 1 remote digital loopback 8 2 remote tests and AT commands 13 17 repair and return information xiv RMA requests xiii S safety instructions iii SDLC option
29. relay capable routers and bridges are examples of interface devices used to interface the cus tomer s equipment to frame relay network See also interface device and encap sulation frame relay frame A variable length unit of data in frame relay format that is transmitted through a frame relay network as pure data Contrast with packet frame relay network A telecommunications network based on frame relay technology Data is multi plexed Contrast with packet switching network gateway A device which enables information to be exchanged between two dissimilar systems or networks high level data link control HDLC A generic link level communications protocol developed by the International Organization for Standardization ISO HDLC manages synchronous code transparent serial information transfer over a link connection See also synchro nous data link control SDLC host computer The primary or controlling computer in a multiple computer operation in band Signaling dialing diagnostics management configuration etc over the same channel used for data 61204011L1 1 DSU IV ESP User Manual H 5 Appendix H Glossary ingress Frame relay frames leaving from an access device in a direction toward the frame relay network interface device Provides the interface between the end device s and a frame relay network by encapsulating the user s native protocol in frame relay frames and sending the frames across the frame r
30. shown in Figure 12 2 on page 12 2 1 Dial Stored Select Stored Number 1 A 2 Enter Dial NNNNNNN Dial 3 Redial Last Figure 12 1 Dial Options Menu SW56 61204011L1 1 DSU IV User Manual 12 1 Chapter 12 Activating Dial Functions Dial Answer Unit Connected to DDS Line 1 Dial Backup Command Accepted Originate Unit Connected to DDS Line 2 Dial Backup 1 Dial Stored Select Stored 1 A 2 Enter Dial NNNNNNN 3 Redial Last 3 Stay on Leased During Dial Backup 1 Hang up 2 Stay on Line Figure 12 2 Dial Options Menu Dedicated Answer Unit Connected to DDS Line Dial Backup The message COMMAND ACCEPTED is displayed and the DSU IV ESP waits for an incoming call When an incoming call is detected the DSU IV ESP answers the call and enters dial backup Originate Unit Connected to DDS Line 12 2 Dial Backup The DSU IV ESP prompts to dial a stored number or enter a number to dial for dial backup Stay on Leased The DSU IV ESP remains on the leased line and does not enter dial backup mode DSU IV User Manual 61204011L1 1 Chapter 12 Activating Dial Functions Dial Options During Dial Backup Hang Up Terminates the dial backup connection and attempts to reestablish communication on the DDS line Stay On Line This DSU IV ESP remains in dial backup mode and returns to the STATUS menu 61204011L1 1 DSU IV User Manual 1
31. the customer a backup switched 56 64 kbps ISDN circuit Synchronous and asynchronous DTE rates of 2 4 4 8 9 6 19 2 and 38 4 kbps per CCITT V 120 are also supported An additional DTE rate of 57 6 kbps is available in async mode and is compatible with the 4 wire SW56 DBU card NOTE The BRI DBU card P N 1204004L1 provides a full 2B D BRI ISDN service when installed in the TSU ESP or TSU IQ but only provides a one 64K bearer channel 1B D when installed in the DSU IV ESP DSU IV ESP User Manual 61204011L1 1 Chapter2 Installation UNPACK INSPECT POWER UP Carefully inspect the DSU IV ESP for any shipping damages If damage is suspected file a claim immediately with the carrier and contact ADTRAN Customer Service If possible keep the original shipping container for use in shipping the DSU IV ESP for repair or for verification of damage during shipment ADTRAN Shipments Include The following items are included in ADTRAN shipments of the DSU IV ESP DSU IV ESP unit An 8 position modular to 8 position modular cable An 8 position female modular to female DB 25 adapter for access to the Control SLIP PPP port The User Manual NOTE 61204011L1 1 The ADTRAN DSU IV ESP MIB is available from ADTRAN in the sup port section of the ADTRAN webpage at www adtran com DSU IV ESP User Manual 2 1 Chapter 2 Installation The following items are included in ADTRAN s shipments of ESP DBU cards e ESP DBU card
32. the selected interface See Configuring Management Functions on page 10 1 for more information The MANAGEMENT menu is shown in Figure C 8 The SNMP menu which branches from the MANAGEMENT menu is shown in Figure C 9 SNMP INTERFACE TERM CONTROL RATE 9 6K IP ADDRESS 198 79 126 59 GATEWAY IP ADDRESS TELNET PASSWORD adtran SESSION TIMEOUT IP IP 19 MIN Oo AO OPO SECURITY DIS FILTER ADDRESS FILTER ADDRESS FILTER ADDRESS FILTER ADDRESS FILTER ADDRESS IP IP OSU IU ESP MANAGEMENT SUBNET MASK 255 255 255 960 192 230 230 1 966 666 406 966 666 666 666 668 666 666 668 466 500 000 000 000 900 000 000 000 ENTER SELECTION gt _ SYSTEM NAME name SYSTEM LOCATION location SYSTEM CONTACT contact SNMP SET COMMUNITY SNMP TRAPS GENERIC ONLY AUTHENTICATION TRAPS DIS TRAP HOST IP ADDR 1 TRAP HOST IP ADDR 2 TRAP HOST IP ADDR 3 TRAP HOST IP ADDR 4 TRAP HOST IP ADDR 5 OOoO JOO POH HHH HH Esc EXIT C 8 DSU IV ESP User Manual Figure C 8 Management Menu TE SNMP GET COMMUNITY public private SNMP TRAP COMMUNITY DSUIV 668 opp 966 606 00A opp opp GGA 00A opp opp GOA 00O opp opp GOA 666 opp opp GOA ENTER SELECTION gt _ Figure C 9 SNMP Management Menu 61204011L1 1 Appendix C Terminal Menu Structure Utility Configuration 61204011L1 1 View set the time of day and date view the LAN MAC address if the ESP ethernet card
33. used to detect deficiencies within the internal drivers and receivers of the DSU IV ESP Figure 13 8 illustrates the loopback point and the data paths for this test LO CAL DSU CSU DTE Error Test Pattern Inject _Generator Tx BA DTE Tx L NEID e Rx A DTE Rx Pa Y Error Test Pattern Clear Detector Figure 13 8 DTE with Test Pattern Test Purpose A DTE test using a test pattern is used for the following purposes e Verify integrity of the DTE interface e Verify integrity of connection between DTE and DSU IV ESP 61204011L1 1 DSU IV ESP User Manual 13 13 Chapter 13 Testing and Troubleshooting Interpreting Test Results 13 14 If the unit is functioning properly the DSU IV ESP displays DTE WITH TP TST ERR XX The first line of the display indicates the type of test being performed while the second line of the display indicates the number of errors accumulated by the test pattern detector If errors occur during this test press 1 to reset the test error count to Zero To verify proper operation of this test single bit errors can be injected into the transmitted test pattern by pressing 2 These errors appear on the TEST ERR display DSU IV ESP User Manual 61204011L1 1 Chapter 13 Testing and Troubleshooting Test Pattern The TEST PATTERN option converts
34. 1 Scrambler Off 6 56K 57 6K 2 Scrambler On 7 Same as Loop 3 Suppress LBE 1 ElA 232 3 Data Format 2 V 35 1 Async 9 bits 1 Asynchronous 2 Async 10 bits 3 Async 11 bits 2 Synchronous 4 DTE CMD Option 1 Disabled 2 AT Command Set 5 Transmit Clock 1 Normal 3 V 25 Sync 2 External 4 V 25 BSC Async 3 Invert 6 CS Options 1 Forced On 1 CS Delay Short 2 Follows RS 2 CS Delay Long 1 Timer Off 3 Follows CD 7 Antistream 2 Time 10 Sec 3 Time 30 Sec 1 Forced On 4 Time 60 Sec 2 Normal 1 Forced On 8 CD Options 3 Off with LOCD 2 Off OOS Only 9 TR Options Depends on operation mode See Configuring DTE Options on page 7 1 for more information 3 Off LOCD Only 4 Off Test Only A SR Options 5 Off Test OOS 6 Off Test LOCD 1 Test Timeout Enter Timeout 0 Off 00 Sec 1 RDL Ignored 2 RDL EN DIS 2 RDL Accepted 3 EIA LLB EN DIS 1 Disabled 2 Enabled 4 EIA RLB EN DIS 1 Disabled 2 Enabled 1 Disabled 5 DBU Answer Test 2 Enabled Figure 5 1 Configuration Menu Tree for Network DTE and Test Options 61204011L1 1 DSU IV ESP User Manual 5 3 Chapter 5 Configuration Overview 1 Local 4 Dial Options Config 2 Remote Enter Addr 5 Management 6 Utilites
35. 11L1 1 Chapter 3 Operation Table 3 1 Front Panel LED Descriptions LED Description RS Request to Send Reflects the status of the request to send pin of the DTE interface CS Clear to Send Reflects the status of the clear to send pin of the DTE interface TD Transmit Data This LED is active when data is transmitted from the DTE RD Receive Data This LED is active when data is received from the net work CD Carrier Detect This LED is active when frame synchronization is achieved and the DSU IV ESP is ready to transfer data ALM Alarm Indication This LED activates whenever an alarm condition exists Alarm conditions include Open loop on network No frame synchronization Unit in dial backup Problem on dial backup line TST Test Mode This LED is on whenever the unit is in test mode 61204011L1 1 DSU IV ESP User Manual 3 7 Chapter 3 Operation REAR PANEL The rear panel contains two DTE connectors which provide primary channel V 35 or ELA 232 An 8 pin telco jack a control port a captive power cord and a power switch are also located on the rear panel Pin assignments for these connectors are listed in Pinouts on page A 1 The DSU IV ESP rear panel is shown in Figure 3 4 with optional ESP cards installed S4W V 34 or ISDN DBU Card 10BaseT LAN Card DBU INTERFACE TAN INTERFACE e o sr d lo ve d TELCO Das CONTROL See dE
36. 2 Figure 6 1 Figure 7 1 Figure 7 2 Figure 8 1 Figure 9 1 Figure 10 1 Figure 11 1 Figure 12 1 Figure 12 2 Figure 13 1 Figure 13 2 Figure 13 3 Figure 13 4 Figure 13 5 Figure 13 6 61204011L1 1 Typical Point to Point Application for DSU IV ESP e 1 2 Main Menu LCD Display ue 3 1 Example of Basic Menu Navigation ocicccininononcononinarinanononanananonononanananonononos 3 4 DSU IV ESP Front Panel ai cele 3 5 DSU TV ESP Rear View 3 8 Terminal Interface Main Menu SW56 Mode 3 11 SLIP PPP LAN Application with SNMP Telnet Management 4 2 Ethernet LAN Application with SNMP Telnet Management 4 2 Dial Backup Application EE 4 4 Configuration Menu Tree for Network DTE and Test Options 5 3 Configuration Menu Tree for Dial Management and Utilities Options5 4 Network Options Menu Tree 6 2 DTE Options Menu Tree EEN 7 2 Transmit Clock Opttons ENEE 7 7 Test Options Menu Tre ci is oi ies 8 1 Dial Options Configuration Menu Tree ENEE 9 2 Management Menu Tree 10 2 Utilities Menu Tree 22h a o oe hea 11 2 Dial Options Menu SW56 ENEE 12 1 Dial Options Menu Dedicated EEN 12 2 Normal Operation Before Initiating Loopback Test 13 1 Initiating a Testi Aia ee 13 2 Sample Test Status Displays EE 13 3 Complete Test Mem 2 eugie eege sees eer 13 4 DIE Roop Testi aristides a al art 13 10 Loop Only tE O OA oa 13 11 DSU IV ESP User Manual xxiii List of Figures Figure 13 7 DTE Only Test Diaeram iiaii ii
37. 2 3 Chapter 12 Activating Dial Functions 12 4 DSU IV User Manual 61204011L1 1 Chapters Testing and Troubleshooting TEST OVERVIEW The DSU IV ESP performs a variety of diagnostic functions that isolate portions of the circuit to identify the problem source Tests may be initiated and terminated through the front panel VT 100 terminal SNMP or Telnet In asynchronous mode AT commands can control the testing from the DTE interface For synchronous operation V 25 bis commands can provide test control The unit also responds to standard DDS network tests initiated from telco test centers In addition it can run several tests such as local and remote loopbacks to aid in problem isolation See Figure 13 1 LOCAL REM OTE DTE DSU CSU DSU CSU DTE TD Tx H Tx Tx Ly Tx TD RD Rx LI Rx Rx LI Rx RD Figure 13 1 Normal Operation Before Initiating Loopback Test CAUTION All diagnostic tests disrupt data flow 61204011L1 1 DSU IV ESP User Manual 13 1 Chapter 13 Testing and Troubleshooting Initiating a Test Initiate tests using the following procedure Select TEST from the Main menu by pressing 2 then Enter 2 Specify LOCAL REMOTE or DBU TESTING by selecting the corresponding number followed by Enter 3 Use the up and down arrows to view test options 4 Select a test from the available options by pre
38. 3 shows the equivalent AT commands for setting CD options Data Terminal Ready TR Options The TR OPTIONS menu is used to select the DSU IV ESP response to the data terminal ready TR lead The factory default setting is IGNORED Table 7 1 on page 7 3 shows the equivalent AT commands for setting TR options The NO DBU IF OFF selection is available only when a DBU ESP card is installed and the Network Type is set to DEDICATED NOTE NOTE To disable DBU when DTR is off set this option for IDLE WHEN OFF 61204011L1 1 DSU IV ESP User Manual 7 9 Chapter 7 Configuring DTE Options Data Set Ready SR Options The SR OPTIONS menu is used to select the operating mode for the data set ready SR lead from the DTE options menu To activate the SR OPTIONS press Shift A and Enter The factory default setting is OFF TEST ONLY Table 7 1 on page 7 3 shows the AT commands for setting SR options 7 10 DSU IV ESP User Manual 61204011L1 1 chapters Configuring Test Options TEST OPTIONS The TEST OPTIONS menu enables or disables different test modes and specifies the maximum test time allowed See Figure 8 1 for the TEST OPTIONS menu tree The AT commands and their available options are listed in Table 8 1 on page 8 2 1 Network Opt 2 DTE Options 1 Test Timeout Enter Timeout 0 Off 00 Sec 1 Local 3 Test Options 4 Dial Options 5 Management 1 RDL Ignored Config 6 U
39. 41 Training email training adtran com xiv Table of Contents RETTEN xxiii ORO XXV Chapter 1 Introduction Product OVER EE EE 1 1 DDS Operation Cverview EEN 1 3 Switched 56 Operation Cvervieuw EE 1 3 SNMP TEE 1 4 Network Manager niri siis tt ln a E a a E a a E iin habeas 1 4 NDOT Ee 1 4 EE 1 4 RE EE 1 5 Dial Backup Operati n eent gorritik en pario dotada Lerdo coa Ed de 1 5 ESP Dial Backup Options c oiss n 0essceseiiesseiesevhssdavesese dada ondas atada aid caceres eens 1 6 4 Wire Switched 56 Card orio a a a e atene i te a O T REA 1 6 ESO A E nN 1 6 ISON Card its la te A ah se eA OGG pod 1 6 Chapter 2 Installation UnPdck Inspect Power Up vc eau rasos ii a a ii 2 1 ADTRAN Shipments Inchude ue 2 1 C stomer Beete TEE 2 2 Power Up told ct Ad eo pias beta abba ei oth iia eae 2 2 Chapter 3 Operation Front Panel Menu Structure ccccccccccccsscsssccssscessecsseceseeessecseeecsseecaeceetessesesseceeeeesseesseens 3 1 Main Mentoe e a ee ae Tasco ce es Be Te E 3 1 Main Menu Descriptions EE 3 2 e EE 3 2 61204011L1 1 DSU IV ESP User Manual xv Table of Contents Test is a teehee 3 2 Contig titrations eerste drid ae dE 3 2 Dial ici aii 3 2 Basic Men Tage uerge eege a He Su EE eeh eS 3 3 Dee 3 3 EE 3 3 DO Wi ALLOW csi dd ss 3 3 Cancel ise A O 3 3 Front Panel Menu Navigation ENEE 3 4 Promt Panel di Ee a Ee EE 3 5 PED WAT e 3 5 EOS A EE 3 5 lu E Eege 3 6 QUIK A nll Rie EE a ie te oe ce 3
40. 61204011L1 1 Chapter 8 Configuring Test Options EIA LLB The EIA LLB Electronics Industries Association local loopback option specifies whether the DSU IV ESP responds to the local loopback input from the DTE The factory default setting is DISABLED EIA RLB The EIA RLB remote loopback option specifies whether the DSU IV ESP responds to the RLB input from the DTE The factory default setting is DISABLED DBU Answer Test The dial backup connection can be tested while data is passing on the DDS In order for this test to be performed DBU ANSWER TEST must be enabled on the remote unit If DBU ANSWER TEST is not enabled the remote unit will not accept a DBU test from the other end The factory default setting is DISABLED The DBU ANSWER TEST is not available if the DBU CRITERIA option NOTE ANSWER ALWAYS is enabled 61204011L1 1 DSU IV ESP User Manual 8 3 Chapter 8 Configuring Test Options 8 4 DSU IV ESP User Manual 61204011L1 1 chapter9 Configuring Dial Options DIAL OPTIONS The DIAL OPTIONS menu stores up to ten phone numbers enables disables the SW56 auto answer capability defines the dial backup operation when the DDS circuit fails and programs the passcode security feature Figure 9 1 on page 9 2 shows the full Dial Backup Options 4 Dial Options menu Note that some items are restricted to certain DBU cards DIAL BACKUP MODULES The DSU IV ESP provides an optional dial backup slot in the rear of
41. 61204011L1 1B May 2001 ADRAN DSU IV ESP Data Service Unit with Embedded SNMP User Manual Part Number Version 1204011L1 1204001L1 1204002L2 1204004L1 1204005L1 DSU IV ESP ESP 4 wire Switched 56 DBU Card ESP V 34 DBU Card ESP ISDN DBU Card ESP Ethernet Card Trademark Information Hayes is a registered trademark of Hayes Microcomputer Products Inc Openview is a registered trademark of Hewlett Packard Company SunNet Manager is a registered trademark of Sun Microsystems Inc Netview is a registered trademark of IBM ADRAN 901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 256 963 8000 2001 ADTRAN Inc All Rights Reserved Printed in U S A The following conventions are used in this manual NOTE Notes provide additional useful information CAUTION Cautions signify information that could prevent service interruption Warnings provide information that could prevent damage to the q D W ARNING equipment or endangerment to human life Important Safety Instructions When using your telephone equipment please follow these basic safety precautions to reduce the risk of fire electrical shock or personal injury 1 Do not use this product near water such as near a bathtub wash bowl kitchen sink laundry tub in a wet basement or near a swimming pool 2 Avoid using a telephone other than a cordless type during an electrical storm There is a remote risk of shock
42. 9 5 Chapter 9 Configuring Dial Options Standard DBU Options Automatic DBU Number to Dial The AUTOMATIC DBU option specifies whether the unit automatically enters dial backup mode or waits for manual setup The factory default setting is DISABLED The NUMBER TO DIAL option offers a selection of stored numbers for the unit to automatically dial If the leased line fails and the DSU IV ESP is set to originate it dials the numbers in chronological order specified under this option to set up the dial backup line The factory default setting is DIAL WITH 1 Originate Answer The ORIGINATE ANSWER option specifies whether the DSU IV ESP originates or waits to answer if the dedicated circuit fails One end must be set to ORIGINATE and the other to ANSWER The factory default setting is ANSWER DBU Criteria for Entering Dial Backup Mode 9 6 These options specify the conditions that will cause the DSU IV ESP to enter the backup mode When Out of Service OOS When enabled the DSU IV ESP enters backup mode if an out of service condition is detected The factory default setting is ENABLE No Receive RX Signal When enabled the DSU IV ESP enters backup mode when a loss of signal is detected The factory default setting is ENABLE No Sealing Current When enabled the DSU IV ESP enters backup mode when a loss of sealing current is detected The factory default setting is ENABLE When all 1s 0s When this option is en
43. AT CR Character 3 00 to FF AT LF Character 00 to FF AT BS Character 5 00 to FF AT Escape Char Timer DC 00 to FF Abort Call Timer 7 00 to FF DTR Recognize Delay 19 00 to FF DTR Initiated Command Timeout 28 00 to FF Load Factory Options Option Set 1 8A 00 Option Set 2 8A 01 Option Set 3 8A 02 Option Set 4 8A 03 Network Address Lock Network Addr Unlock C3 00 Network Addr Lock C3 01 Front Panel En Dis Disable AA 01 Enable AA 01 DSU IV ESP User Manual 61204011L1 1 Chapter 11 Configuring Unit Utilities Time Date View set the current time and date Entering this information is only necessary for the Weekend and Time of Day Lockout features Software Revision View the current revision of the software installed in the DSU IV ESP LAN MAC Address View the LAN MAC address This address is available when the ESP ethernet option card is installed Serial Number View the DSU IV ESP s serial number 61204011L1 1 DSU IV ESP User Manual 11 5 Chapter 11 Configuring Unit Utilities 11 6 DSU IV ESP User Manual 61204011L1 1 chapter 12 Activating Dial Functions DIAL OPTIONS The dial options available from the Main menu 4 DIAL vary depending on the network type selection CONFIG gt NETWORK OPT gt NETWORK TYPE If AT amp T MCI SW56 or US SPRINT SW56 is selected the options appear as shown in Figure 12 1 If DEDICATED is selected and a DBU card is installed the options appear as
44. CO The telco connector is used for connecting to the DDS network The pinout for this connector is listed in Pinouts on page A 1 Each ESP DBU card has a connector which is used for connection to the switched backup network The pinout for the connector depends on the card type Pinouts for 4 wire Switched 56 V 34 and ISDN 1B D DBU options are shown in Appendix A Pinouts on page A 1 61204011L1 1 DSU IV ESP User Manual 3 9 Chapter 3 Operation EIA 232 and V 35 Connectors DTE Data Connection Primary DTE The primary DTE should be connected to either the E A 232 DTE connector or the V 35 DTE connector The maximum cable lengths recommended are 50 feet for the EIA 232 and 100 feet for the V 35 The pin assignments for the connectors are listed in Pinouts on page A 1 The V 35 connector is recommended for use with data rates above 19 2 kbps The EIA 232 connector works up to 56 kbps with a low capacitance cable or with the external transmit clock option selected The primary DTE rate is configured from the front panel The primary DTE equipment can operate in asynchronous or synchronous modes To prevent possible radio frequency interference emissions a shielded ca CAUTION ble is required Control Port The DSU IV ESP has an 8 position modular jack labeled CONTROL The control port provides connection to a VT 100 EJA 232 compatible interface a device running SLIP protocol or a device running Async PPP protocol An 8 foot
45. Check internal components Resets unit Exit Test amp TO Stops test returns to data mode TD Customer Transmit Data RD Customer Receive Data TX Network Transmit Data RX Network Receive Data The test patterns shown in Table 13 4 on page 13 9 are available for the DTE with Test Pattern and Test Pattern tests 13 8 DSU IV ESP User Manual 61204011L1 1 Chapter 13 Testing and Troubleshooting Table 13 4 DTE With Test Pattern Commands Front Panel AT Command Description 1 2047 Pattern _TO amp T8 Standard 2047 random data pattern 2 511 Pattern _T1 amp T8 Standard 511 random data pattern 3 Stress Pattern 1 _T2 amp T8 Stress pattern with alternating high and low ones densities Repeated pattern of 100 octets 1111 1111 followed by 100 octets 0000 0000 4 Stress Pattern 2 5 Stress Pattern 3 _T3 amp T8 _T4 amp T8 Stress pattern with alternating medium and low ones densities Repeated pattern of 100 octets 0111 1110 followed by 100 octets 0000 0000 Stress pattern with medium ones density Continuous series of octets 0011 0010 6 Stress Pattern 4 61204011L1 1 _T5 amp T8 Stress pattern with low ones density Continuous series of octets 0100 0000 DSU IV ESP User Manual 13 9 Chapter 13 Testing and Troubleshooting DTE amp Loop LL The DTE amp LOOP test splits the DSU IV ESP into two separate DTE and loop interface sections and
46. D indicates the presence of a carrier signal on a communications link channel service unit CSU A device used to connect a digital phone line T1 or Switched 56 line com ing in from the phone company to either a multiplexer channel bank or directly to another device producing a digital signal for example a digital PBX a PC or data communications device A CSU performs certain line conditioning and equalization functions and responds to loopback commands sent from the cen tral office A CSU regenerates digital signals It monitors them for problems and provides a way of testing the digital circuit CIR committed information rate Less than or equal to the access rate the CIR is used by the service provider for rate enforcement when the network is congested When rates exceed the CIR frames may be discarded clocking An oscillator generated signal that provides a timing reference for a transmis sion link A clock provides signals used in a transmission system to control the timing of certain functions The clock has two functions 1 to generate periodic signals for synchronization and 2 to provide a time base CPE customer premise equipment All telecommunications terminal equipment located on the customer premises including telephone sets private branch exchanges PBXs data terminals and customer owned coin operated tele phones CIR bit In the Q 921 protocols a bit that identifies a data link layer frame as either a
47. E 5 UNI XON XOFF Q4 Unidirectional XOn XOff 61204011L1 1 DSU IV ESP User Manual 9 9 Chapter 9 Configuring Dial Options Table 9 3 DBU Options AT Commands for V 34 Card Continued Front Panel AT Command Description Compression 1 Disabled CO Compression disabled 2 Enabled C1 Compression enabled Error Control Flow Control Compression 9 10 This option determines the type of error control to be negotiated at the start of a V 34 modem connection The factory default setting is AUTO V 42 MNP This option is used to select the type of flow control used by the V 34 modem The factory default setting is CTS ONLY This option is used to select V 42 bis data compression for V 32 bis or V 34 operation when running asynchronously When enabled data throughput speeds as high as 57 6 kbps may be achieved For synchronous applications the speed is limited to a maximum of 33 6 kbps for the V 34 The factory default setting is ENABLED DSU IV ESP User Manual 61204011L1 1 Chapter 9 Configuring Dial Options DBU Options for ISDN Card Switch Type DBU Passcode 61204011L1 1 This option selects the type of telco CO switch providing the ISDN service There are three options for ISDN switch types e AT amp T 5ESS e NT DMS 100 e National ISDN The dial backup passcode adds an additional level of security to the DSU IV ESP A passcode of one to ten characters can
48. ENTER SELECTION gt _ Figure C 6 DSU Configuration Menu DSU IV ESP User Manual 61204011L1 1 Appendix C Terminal Menu Structure DBU Configuration This menu changes depending on which DBU card is installed See Configuring Dial Options on page 9 1 for more information The menu for the S4W DBU card is shown in Figure C 7 If DBU CONFIGURATION is selected when no DBU card is installed the message DSU IV ESP DBU NOT INSTALLED appears Press the ESC key NOTE to return to the previous screen of selections If this message is received when a card is installed ensure that the card is properly seated in the slot and then restart the unit OSU IU ESP S4W DIAL BACKUP DBU OPERATION DBU CRITERIA DEU PASSCODE 123 11 DBU EN DIS DIS PASSCODE DIS 12 W O00S DIS NUM TO DIAL NUM 1 13 W NO RX DIS ORG ANS ANS 14 W NO SEAL CURR DIS AUTO RESTORE TIMER 1 15 ALL 1s s DIS REDIAL COUNTER 5 16 ANSWER ALLWAYS DIS FAIL COND TIMER 3 1 WEEKEND LOCKOUT DIS WAIT TO REDIAL 16 18 DAILY LOCKOUT DIS DBU NETWORK TYPE US SPRINT 19 LOCKOUT EN HOUR 1 DBU ONLINE TEST DIS LOCKOUT DIS HOUR 88 Figure C 7 S4W Dial Backup Dial Directory Configuration Enter edit stored numbers See Configuring Dial Options on page 9 1 for more information 61204011L1 1 DSU IV ESP User Manual C 7 Appendix C Terminal Menu Structure Management Configuration Select the management interface and set the unit up to respond to
49. MES A Haas the ete ted Has oes ae iaioe 7 9 DO nto AAA PER A E E IC UR ERA AR 7 9 Data Terminal Ready TR Optons NENNEN 7 9 Data Set Ready SR Options ENEE 7 10 61204011L1 1 DSU IV ESP User Manual xvii Table of Contents Chapter 8 Configuring Test Options TESt OP HONS ir AA A AA 8 1 MAA TN OT 8 2 Remote Digital Loopback RIDE 8 2 ETA DE ada 8 3 ETA RED E a Secs oid e a tig Bese Cai ae bi 8 3 DBU Answer Test srele nenei ii bb shes bn aa a aaa aai aa aa based cod 8 3 Chapter 9 Configuring Dial Options Dialoge eieiei AE EE 9 1 Dial Backup Modules natal NEE 9 1 Phone N umbers IIA E AS EA AAA AA 9 3 ET RER 9 3 Setting the Service Profile Identifier SPID ENEE 9 3 Setting the Local Directory LDN Number ee 9 3 SW56 ATICO ANA a a aia 9 4 DBU Opti Onis coscsssed cosesses utes svesinasebsvsiastvveseeasbecubsbevs seavtveteacuselschacgesssveressbhesiotvsestoaseses 9 4 Standard DBU Option Su ito acicate ofi AE EE 9 6 Aritomatic D p1 BEE 9 6 Nu mberto Dial E A A EES 9 6 Originate EE 9 6 DBU Criteria for Entering Dial Backup Mode En 9 6 When Out of Service OOS daaa a a Ae A EAIN E 9 6 No Receive RX Signal ENEE 9 6 No Sealing COrrenit A O 9 6 When all Ts Ot il choco eis has det EE iris 9 6 ANS WEE ALWAYS ee Ee 9 7 Weekend Lockout it AA A a EA T 9 7 Daily MOCK EH 9 7 ele Etat ro Arte A A le ME 9 7 Tanken Ebene ee TP a 9 7 AITO Restore E 9 7 Redial CO titer EE 9 8 Fail Taner EE 9 8 Watto REC E EE 9 8 BBU Options t
50. No DBU when all 1s Os detected 2 Enabled _PO DBU when all 1s Os condition exists B 8 DSU IV ESP User Manual 61204011L1 1 Appendix B AT Commands Table B 6 DBU Options AT Commands for All Models Continued Front Panel AT Command Description Answer Always 1 Disabled none Answer unit answers only under specified conditions 2 Enabled none Answer unit answers any incoming call regardless of failed condition Weekend Lockout 1 Disabled none Disables weekend lockout feature 2 Enabled none No backup occurs from midnight Fri day to midnight Sunday Daily Lockout 1 Disabled none Sets dial backup lockout starting hour 2 Enabled none Sets dial backup lockout ending hour Lockout Start none Sets hour to enable dial backup Lockout End none Sets hour to disable dial backup Auto Restore S31 x Sets restore timer Redial Counter S57 x Sets redial counter Fail Timer S58 x Sets fail timer Wait to Redial S59 x Sets time between redial attempts 61204011L1 1 DSU IV ESP User Manual B 9 Appendix B AT Commands Table B 7 DBU Options AT Commands for V 34 Card Front Panel AT Command Description Error Control 1 BUFFERED ANO Normal operation No error control Allows speed matching buffering and flow con trol 2 DIRECT N1 Direct operation No error control no buff er and no flow control 3 RELIABLE MNP NS Reliable MNP Op
51. ORK Figure 6 1 Network Options Menu Tree DSU IV ESP User Manual 61204011L1 1 Loop Rate 61204011L1 1 Chapter 6 Configuring Network Options Table 6 1 Network Options AT Commands Front Panel AT Command Loop Rate AUTO BO 2 4K B1 4 8K B2 9 6K B3 19 2K B4 38 4K B5 56K B6 64K B7 Network Address XX decimal _N xx Remote Configuration 1 DISABLED amp P4 2 ENABLED amp P5 Network Type 1 DEDICATED none 2 AT amp T MCI SW56 none 3 US SPRINT SW56 none Clock Source 1 Master _X0 2 FROM NETWORK _X1 The Loop RATE option sets the loop operating speed The unit should be set to the rate required by the DDS Service The DSU IV ESP also supports subrate DTE data over a 56 or 64 kbps loop The loop rate must be set independently of the DTE rate Eight loop rate selections are available See Figure 6 1 The default factory setting is AUTO The various loop rates and format selections are listed in Table 6 1 on page 6 3 with the DSU IV ESP User Manual 6 3 Chapter 6 Configuring Network Options equivalent AT commands that perform the same configuration functions Network Address A two digit decimal address can be assigned to each DSU IV ESP This addressing capability makes it possible to perform remote configuration and testing in point to point and multi drop networks Figure 6 1 on page 6 2 shows the menu path used to cha
52. P User Manual 61204011L1 1 Appendix B AT Commands Table B 2 DTE Options AT Commands Continued Front Panel AT Command Description SR Options 1 Forced On amp SO_C1 Always on 2 Off OOS only amp S1_C1 Off when network out of service 3 Off LOCD Only amp S3 Off 5 sec after disconnect SW56 only 4 Off Test only amp S0_CO Off for test only 5 Off test OOS amp S1_CO Off for test and OOS 6 Off test LOCD amp S5 Off 5 seconds after disconnect or test 61204011L1 1 DSU IV ESP User Manual B 5 Appendix B AT Commands Table B 3 Network Options AT Commands Front Panel AT Command Loop Rate AUTO BO 2 4K B1 4 8K B2 9 6K B3 19 2K B4 38 4K B5 56K B6 64K B7 Network Address XX decimal _N xx Remote Configuration 1 DISABLED amp P4 2 ENABLED amp P5 Network Type 1 DEDICATED none 2 AT amp T MCI SW56 none 3 US SPRINT SW56 none Clock Source 1 Master _X0 2 FROM NETWORK Xi DSU IV ESP User Manual 61204011L1 1 Appendix B AT Commands Table B 4 Test Options AT Commands Front Panel AT Command Description Test Timeout Enter Timeout S18 x Specify 0 to 255 second test timeout RDL Enable Disable 1 RDL Ignored amp T5 RDL request from remote DSU ignored 2 RDL Accepted amp T4 RDL request accepted EIA LLB Enable Disab
53. P User Manual 61204011L1 1 Table of Contents Weekend and Time of Day Lockout ENEE 4 6 Conditions for Returning to the DDS Circuit NENNEN 4 7 Chapter 5 Configuration Overview Configuration Methods unid datado 5 1 O ARA O A A 5 5 V25 Bis Commands ett eet isiceck ito 5 6 SDLC OPA ii A A e A AA A ated eee ies 5 6 Character e E id a aid 5 6 Command Structure iia 5 6 BI OYOCO E EE 5 6 Character Format uge 5 6 Command zebuerger cscvcceessshevecehosevswvedensssseceswecesi sande See Eed 5 6 ASYNCHLONnOUS OPTION essersi et aten haces ee ESE bis lille dee 5 7 Character Format iS ol okie UE oe LE es 5 7 Command StHUCHULE E 5 7 Command Descriptions E 5 7 Syntax and Possible Responses EE 5 8 CNE Configuration Local see 5 8 CNR Configuration Remote ccicncnnnnnnnnnnnninnnnncncncnonnncncncnconannoncnconananncncncon 5 8 Chapter 6 Configuring Network Options Network Options cisne root e SoS SiO a ot Lites te te Ea 6 1 TOO 810 i4 i r cani inci aise Ee tae oda vee retin ee E ected Heed 6 3 Network Address ees solace vsncvscs see AE Eed eege EEN 6 4 Remote Conte uration ise deu AN 6 4 Network tere ege Eeer 6 4 Clock SOURCE iirc Dua ote Sede Tees A EE oe ates ee Pe A ON hoo ebb 6 4 Chapter 7 Configuring DTE Options RH EI E 7 1 DIERAN A a A act 7 5 RA Lt EE 7 6 Data Formation a A eis to dad a ea Soa eden as Naha odas aa ee ha wees 7 6 DIE Command Optom EE 7 6 Transmit ClOCK EA AS ele EEN 7 7 Clear to Send CSJ Options erise dt a ati 7 8 A
54. Remote Enter Addr 1 Network Opt 2 DTE Options 1 DTE Rate 1 2 4K 2 4 8K 7 2 3 Test Options 4 Dial Options 5 Management 6 Utilities 3 9 6K 4 19 2K 5 38 4K 1 Scrambler Off 6 56K 57 6K 2 Scrambler On 7 Same As Loop 3 Suppress LBE 5 Transmit Clock 2 AT Command Set 2 Connector Type 1 EIA 232 2 V 35 1 Async 9 Bits 2 Async 10 Bits 3 Data Format 1 Async 3 Async 11 Bits 2 Sync 4 DTE CMD Option 1 Disabled 3 V 25 Sync 4 V 25 BSC Async 1 Normal 2 External 3 Invert 4 Follows RS CD 5 Off with LOCD 6 CS Options 1 Forced On 1 CS Delay Short 2 Follows RS 2 CS Delay Long 3 Follows CD 1 CS Delay Short 2 CS Delay Long 2 Off OOS Only 3 Off LOCD Only 4 Off Test Only 5 Off Test OOS 6 Off Test LOCD 7 Anti stream 1 Timer Off 2 Time 10 Sec 1 Ignored 3 Time 30 Sec 1 Forced On 2 Idle When Off 4 Time 60 Sec 2 Normal 3 Off gt On Dial 1 8 CD Options 3 Off with LOCD 4 Off gt 0On Dial 2 9 TR Options 5 No DBU if Off A SR Options 1 Forced On Figure 7 1 DTE Options Menu Tree DSU IV ESP User Manual 61204011L1 1 Chapter 7 Configuring DTE Options Table 7 1 DTE Options AT Commands del ada Description DTE Rate 1 2 4K k3 DTE Rate 2 4K sync and async 2 4 8K ok4 DTE Rate 4 8K sync and async 3
55. Select 0 B 2 DSU IV ESP User Manual 61204011L1 1 Appendix B AT Commands Table B 2 DTE Options AT Commands Front Panel AT Command Description DTE Rate 1 2 4K k3 DTE Rate 2 4K sync and async 2 4 8K k4 DTE Rate 4 8K sync and async 3 9 6K k5 DTE Rate 9 6K sync and async 4 19 2K k6 DTE Rate 19 2K sync and async 5 38 4K k7 DTE Rate 38 4K sync and async 6 56 57 6K k8 DTE Rate 56 sync or 57 6 async 7 Same as Loop k9 DTE Rate matches loop rate 1 Scrambler Off _FO DTE data scrambler disabled 64kbps loop rate only 2 Scrambler On F1 DTE data scrambler enabled 64kbps loop rate only 3 Suppress LBE _F2 Suppresses loopback enable code LBE in transmit data from the DTE after 30 bytes in a row detected 64 kbps loop rate only Data Format 1 Asynchronous amp Q0 Asynchronous DTE operation mode 2 Synchronous amp Q2 Synchronous DTE operation mode DTE CMD Option 1 Disabled none Disables all DTE command Modes 2 AT Command Set none Enables AT command mode for DTE 3 V 25 Sync none Enables V 25 SDLC command mode for DTE 4 V 25 BSC ASYNC none Enables V 25 bisync or async command mode for DTE Transmit Clock 1 Normal amp X0 Tx Clock from DSU selected 2 External amp X1 ETC Clock from DTE selected 3 Invert amp X3 Inverted Tx Clock from DSU selected 61204011L1 1 DSU IV ESP User Ma
56. TES DO NOT ALLOW THE EXCLUSION OF IMPLIED WAR RANTIES SO THIS EXCLUSION MAY NOT APPLY TO CUSTOMER In no event will ADTRAN or its suppliers be liable to Customer for any incidental special punitive exemplary or consequential damages experienced by either Cus tomer or a third party including but not limited to loss of data or information loss of profits or loss of use ADTRAN is not liable for damages for any cause whatsoever whether based in contract tort or otherwise in excess of the amount paid for the item Some states do not allow the limitation or exclusion of liability for incidental or consequential damages so the above limitation or exclusion may not apply to Cus tomer xii Customer Service Product Support Information and Training ADTRAN will replace or repair this product within five years from the date of ship ment if the product does not meet its published specification or if it fails while in ser vice A return material authorization RMA is required prior to returning equipment to ADTRAN For service RMA requests training or more information see the toll free contact numbers given below Presales Inquiries and Applications Support Please contact your local distributor ADTRAN Applications Engineering or ADT RAN Sales Applications Engineering 800 615 1176 Sales 800 827 0807 Post Sale Support Please contact your local distributor first If your local distributor cannot help please cont
57. V 34 card dial backup 9 9 V 34 DBU status 14 2 V 35 connector 3 10 V 35 electrical interface 1 2 VT 100 terminal connection and operation 3 11 Ww warranty xii Index 3 Index Index 4 DSU IV ESP User Manual 61204011L1 1
58. a i 13 12 Figure 13 8 DTE with Test Pattern En 13 13 Figure 13 9 Test Pattern Only NEEN 13 15 Figure 13 10 V 54 RDL with Test Patten 13 17 Figure 13 11 Initiating a Remote Test EEN 13 18 Figure 13 12 DBU Connection Test un 13 19 Figure 13 13 Initiating a DBU Connection Test 13 20 Figure 1421 Status Display cito deene 14 1 Figure C 1 Terminal Menu Tree tii titi oralidad dolo eii C 2 Figure C 2 Terminal Interface Main Menu E C 3 oe Stabs Menus nadal EE idilio C 4 Figure CA Remote Configuration Options ocococononononnnnnnnnnrnrnnnecananonnnnnrarannnnananancnnnaso C 5 Figure C 5 Main Configuration Menu mecccconnnnnonnnnnononaninanononononnonannronnoro ro roca ronorarnrnrninioss C 5 Figure C 6 DSU Configuration Menu ccccccccsccscensesesesneneesceceseseseeneenesceeesesesnanans C 6 Fisure C27 S4W Dial Bach up coc decir eege bn oia dere C 7 Figure C 8 Management Menu EE C 8 Figure C 9 SNMP Management Mem C 8 Figure C10 Utility Meni intacta C 9 Figure C 11 Local Test Options Menu C 10 Figure C 12 Remote Test Options Menu C 10 Figure C 13 5W56 Dialing Menu EE C 11 Figure C 14 Dial ESP DBU Met ENEE deed C 12 Figure CENTRE ira are iii E 2 Figure E 2 Standard ElA 232 D Crossover Cable ENEE E 3 xxiv DSU IV ESP User Manual 61204011L1 1 List of Tables Table 3 1 Table 6 1 Table 7 1 Table 7 2 Table 7 3 Table 8 1 Table 9 1 Table 9 2 Table 9 3 Table 11 1 Table 13 1 Table 13 2 Table 13 3 Table 13 4 Table 13
59. abled the DSU IV ESP monitors the receive data for strings of 1s or Os that are longer than the Fail Timer If this DSU IV ESP User Manual 61204011L1 1 Chapter 9 Configuring Dial Options condition is detected the local DSU IV ESP initiates a handshake routine with the remote unit to determine if the DTE is generating the constant data pattern or if the network has failed Answer Always If enabled the answer unit answers any incoming call regardless of failed conditions Weekend Lockout If enabled no backup will occur from midnight Friday to midnight Sunday NOTE Auto Restore 61204011L1 1 Weekend and daily lockout apply to automatic DBU only Manual DBU is not affected Also this parameter affects the originate end only The answer end remains DBU capable at all times Daily Lockout Enable disable the DAILY LOCKOUT specified by the fields ENABLE HOUR and DISABLE HOUR Lockout Start Enter the hour that the daily lockout begins and dial backup is disabled 0 to 23 Only applies if the DAILY LOCKOUT parameter is ENABLED Lockout End Enter the hour that the daily lockout ends and dial backup is reactivated 0 to 23 Only applies if the DAILY LOCKOUT parameter is ENABLED Once the DDS circuit is down the DSU IV ESP remains in backup until the DDS circuit is active for the length of time specified for the restore timer The selection is entered in minutes up to 255 If set to 0 the DDS must be restor
60. act ADTRAN Technical Support and have the unit serial number available Technical Support 888 4ADTRAN The Custom Extended Services ACES program offers multiple types and levels of ser vice plans which allow you to choose the kind of assistance you need For questions call the ACES Help Desk ACES Help Desk 888 874 2237 xiii Repair and Return If ADTRAN Technical Support determines that a repair is needed Technical Support will coordinate with the Custom and Product Service CAPS department to issue an RMA number For information regarding equipment currently in house or possible fees associated with repair contact CAPS directly at the following number CAPS Department 256 963 8722 Identify the RMA number clearly on the package below address and return to the fol lowing address ADTRAN Customer and Product Service 901 Explorer Blvd Huntsville Alabama 35806 RMA Training The Enterprise Network EN Technical Training Department offers training on our most popular products These courses include overviews on product features and func tions while covering applications of ADTRAN s product lines ADTRAN provides a va riety of training options including customized training and courses taught at our facilities or at your site For more information about training please contact your Terri tory Manager or the Enterprise Training Coordinator Training phone 800 615 1176 ext 7500 Training fax 256 963 79
61. al 13 5 Chapter 13 Testing and Troubleshooting Troubleshooting New Installs Configuration Item to Check Before initiating diagnostics on a newly installed unit and or DDS circuit and before contacting ADTRAN Technical Support please check the items in Table 13 2 to ensure the unit is configured properly After verifying the items listed in Table 13 2 the unit should operate properly and display the following DATA MODE LOOP IS NORMAL If a status message other than DATA MODE Loop Is NORMAL is shown begin performing diagnostics described in the section Test Sequence for Troubleshooting New Installs or Existing Circuits on page 13 7 Table 13 2 Troubleshooting New Installs Option Selection Action From the CONFIGURATION menu select DTE Type ElA 232 or V 35 the type of DTE interface option to con nect to the DSU CSU Loop Rate Auto 2 4 to 64 kbps From the CONFIGURATION menu select the DDS loop rate of the DDS circuit From the CONFIGURATION menu select Data Formar Async or syne the type of data to be used Verify DTE cable connection to the DTE Cable N A proper DTE connector on the DSU CSU Verify the telco cable is securely con Telco Cable SE nected to the DSU CSU and wall jack Power the Unit N A Verify the unit passes self test during Off and then On power up displayed on the LCD 13 6 DSU IV ESP User Manual 61204011L1 1 Chapter 13 Testing and Troubleshootin
62. al Point to Point Application for DSU IV ESP DSU IV ESP User Manual 61204011L1 1 Chapter 1 Introduction DDS Operation Overview DDS is a nationwide service that allows interconnection and transport of data at speeds up to 64 kbps The local exchange carriers provide the local loop service to DDS customers and may provide data for routing InterLATA to an interexchange carrier In DDS mode the DSU IV ESP supports 2 4 to 64 kbps DDS service rates yielding DTE rates of 2 4 4 8 9 6 19 2 38 4 sync or async 56 kbps and 64 kbps An additional rate of 57 6 is available in asynchronous mode The unit can be configured to run slower DTE rates async or sync over the 56 or 64 kbps service Switched 56 Operation Overview 61204011L1 1 This dial up 4 wire Switched 56 DDS allows customers to pay for data connection only for the time the unit is active The regional operating companies provide the 4 wire local loop service to SW56 customers The DSU IV ESP supports DTE rates of 2 4 4 8 9 6 19 2 38 4 and 56 kbps synchronous and 2 4 4 8 9 6 19 2 38 4 and 57 6 kbps asynchronous DSU IV ESP User Manual 1 3 Chapter 1 Introduction SNMP OVERVIEW The term SNMP broadly refers to the message protocols used to exchange information between the network and the managed devices as well as to the structure of network management data bases SNMP has three basic components Network Manager Agent MIB Control program that col
63. ands ENEE B 7 DSU IV ESP User Manual XXV List of Tables Table B 5 Table B 6 Table B 7 Table C 1 Table D 1 xxvi AT Commands for Storing Phone Numbers NEEN B 7 DBU Options AT Commands for All Modelen B 8 DBU Options AT Commands for V 34 Card een B 10 Terminal Main Menu Dial Selection oocnoccnonionnoncnononnconncnncnrnnononnonononncnnns C 3 Configuration Profiles ivan aaa D 2 DSU IV ESP User Manual 61204011L1 1 Chapters Introduction PRODUCT OVERVIEW The ADTRAN DSU IV ESP data service unit with embedded SNMP provides a reliable high speed data connection for customer data terminal equipment DTE through digital data service DDS lines The DSU IV ESP has an embedded SNMP simple network management protocol agent that provides complete SNMP access to the unit through an integral SLIP or PPP async port The DSU IV ESP s unique modular approach provides optional 10BaseT ethernet access for SNMP Optional ESP DBU cards are available to provide automatic or manual dial backup for the dedicated circuit The DSU IV ESP has the following features e DDS rates supported from 2 4 to 64 kbps including 19 2 and 38 4 e 4 wire Switched 56 SW56 operation e Embedded SNMP and Telnet e Control port provides SLIP and Async PPP access to SNMP or VT 100 terminal configuration e Two ESP option slots e 10BaseT ethernet SNMP port available with ESP ethernet Card e Automatic or manual DBU e DBU available with ESP DBU c
64. arannaranannnnos 14 4 Current DSU IV ESP Status ooocccncncnnnocnnonoonnnononcnnnnononnnnnonononononnnccnnnnccnnnnnnn 14 4 Current DDS Network Status cccccccccccccssscssccssscessceesecesseesseceseecsseeeaseesees 14 4 DTE Control Leads and Status ocoonocccconnnonnconnnooonononncnnnnonnncnnnocnnonnn conan conan cnnnccnnos 14 5 Appendix A Pinout essien eesse sis isi eei eesis e ouier e A 1 Appendix B AT Commands cccssssssssssssssseccsssssssssesesssssssssesesssssssesessssessnsesesseseeees B 1 61204011L1 1 DSU IV ESP User Manual xxi Table of Contents Appendix C Terminal Menu Structure ss ssessesssssesseesessesscoreesessesscoscosessesscoseeseeseseeesess C 1 Appendix D Configuration Profiles cssscssssssssscecscessssessececssseseseecssessseseseseeeees D 1 Appendix E DSU to DSU Tail Circuit ssesseseessessesseseeosesrosseseeoressesseseeoressessesseoressesses E 1 Appendix F Specifications Summary ococococonononananocanannoninnononooranicnnrcononanconorcononicnnac acosan F 1 Appendix G Acronyms ADDreviations sesssesseesesssoseeseeseessoreeseessessosseseeseessosseseeosess G 1 Appendix H Glossary cccssrssssssscssersescsccssssesessecessssessscecesssseseececssssesesesessssseseseseensees H 1 A O O E E Ea Index 1 xxii DSU IV ESP User Manual 61204011L1 1 List of Figures Figure 1 1 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 4 1 Figure 4 2 Figure 4 3 Figure 5 1 Figure 5
65. ards options include 4 wire Switched 56 V 34 and ISDN e Time of day and weekend DBU lockout options 61204011L1 1 DSU IV ESP User Manual 1 1 Chapter 1 Introduction BRIDG E ROUTER n The DSU IV ESP provides both V 35 and ElA 232 electrical and physical DTE interfaces to accommodate a variety of applications To ensure a reliable connection the unit features an extended receiver capability which permits operation over long loops 3 4 miles or 5 5 km of 26 AWG at 56 kbps The ESP 4 wire SW56 DBU card and the base unit s integrated SW56 capabilities are compatible with AT amp T Accunet and Sprint SW56 type services The V 34 DBU card allows switched backup over the public switched telephone network PSTN The ESP ISDN 1B D card is compatible with National ISDN and supports a U interface to the Basic Rate ISDN Figure 1 1 shows a typical point to point application for the DSU IV ESP PCs eo Z ale a la uul D E Local MTT Ve k IE JE IE JE JE IE IE E JE E JE y TT Ewo SST 7 SMart 16 SHELF PRIN TER r Ki A Su SERVER Z K S d S V 34 4wire y 1 SW56 d DEDICATED PUBLIC SWITCHED ISDN PUBLIC SWITCHED PRIVATE NETWORK DIGITAL NETWORK NETWORK TELEPHONE NETWORK H Aire H Ka PRIN TER SW 56 i e Li e i 27 V 34 C H bh we ki Fo BEN A s3y EJ 2 BRIDG E ROUTER DSU IV ESP Se Figure 1 1 Typic
66. ate 3 IP Options 2 SLIP Control 3 PPP Control 4 Ethernet LAN 1 1200 BPS 2 2400 BPS 3 9600 BPS 1 Unit IP Address 4 SNMP Options 2 Subnet Mask 3 Gateway IP Addr 1 Disabled 4 IP Security 2 Enabled 5 IP Filter Addr 1 Get Community 2 Set Community Enter Source IP Number 1 5 1 1 Disable 3 Trap Community 2 Generic Only 4 SNMP Traps 3 Enable All 5 Trap IP Address 1 Enter Trap IP 6 Sys Name 2 Number 1 5 1 7 Sys Contact 8 Sys Location 1 Disabled 9 Authen Traps 2 Enabled 1 Telnet Password 1 10 Minutes 5 Telnet Options 2 Telnet Timeout 2 30 Minutes 3 60 Minutes Figure 10 1 Management Menu Tree DSU IV ESP User Manual 61204011L1 1 Chapter 10 Management Functions Interface Select the management interface type VT 100 terminal SLIP or PPP or select Ethernet LAN ESP Ethernet card must be installed Control Rate Select the control port operating speed to match the connected device this selection only applies when the interface options is set for VT 100 terminal SLIP or PPP IP Options When configuring the DSUIV ESP with the front panel use the key to enter a decimal point Unit IP Address Enter the DSU IV ESP IP ADDRESS in dotted decimal notation Subnet Mask Enter the subnet number in dotted decimal notation This address is available from the network administ
67. atus This display line see Figure 14 1 on page 14 1 indicates current DSU IV ESP status Possible messages are Data Mode In data mode the data set ready SR and request to send RTS circuits are on and the DSU IV ESP is ready to send data Unit inTest The DSU IV ESP is currently in test mode use the arrows to scroll through the menus to display the type of test being performed Current DDS Network Status This display line see Figure 14 1 on page 14 1 displays the status of the main telco line For normal operation this should display LOOP IS NORMAL other possible messages are described as follows Answering Call The DSU IV ESP detects an incoming call Check Telco The transmit and receive Tx Rx pairs of the loop connection are reversed The pairs should be swapped for normal operation DSU IV ESP User Manual 61204011L1 1 Chapter 14 Viewing Status Information Going To DBU This message is displayed briefly while switching from the dedicated service to dial backup mode In Dial Backup The DSU is in dial backup mode LL Test From Telco An LL test has been initiated from the telco Loop is Normal The DSU is connected to the dedicated line OOS OOF The telco is transmitting an out of service code Open Loop The DDS physical connection has been broken Waiting for Call The DBU module is waiting for a call DTE Control Leads and Status Four additional DTE interface leads are displayed with thei
68. ay give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Users should not attempt to make such connections themselves NING but should contract the appropriate electric inspection authority WAN or an electrician as appropriate The Load Number LN assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the device to pre vent overloading The termination on a loop may consist of any combination of devices subject only to the requirement that the total of the Load Numbers of all devices does not exceed 100 ISDN Service Ordering Information for the ADTRAN DSU IV ESP with ISDN Dial Backup For ADTRAN DSU IV ESP ISDN applications the following guide can be used as an aid in ordering basic ISDN service from your local telephone company The ADTRAN DSU IV ESP ISDN includes NT1 and Terminal adapter functionality and supports data rates up to 64 kbps Request an ISDN Basic Rate Interface BRI line with the following features e U interface reference point e 2BIOQ line coding e 1B D Service supports up to 64 kbps The DSU IV ESP ISDN supports the following switch ty
69. be programmed into the unit When a dial backup connection is established the originate unit transmits a pre programmed passcode to the answer unit over the dial backup connection before the connection is considered valid The answer unit compares the received passcode to a pre programmed passcode If the passcode matches the receive unit sends a PASSCODE OK message to the originate unit and goes on line If the passcode does not match the receive unit sends an Invalid Passcode message to the originate unit and terminates the dial backup connection If a passcode is not received by an answer unit with passcode enable or if the PASSCODE OK message is not received by an originate unit with passcode enable the dial backup connection is terminated DSU IV ESP User Manual 9 11 Chapter 9 Configuring Dial Options 9 12 DSU IV ESP User Manual 61204011L1 1 Chapterio Management Functions CONFIGURING MANAGEMENT FUNCTIONS The MANAGEMENT menu is used to select the desired management interface type and to set up the necessary parameters for establishing Telnet or SNMP management See Figure 10 1 on page 10 2 for the MANAGEMENT menu tree 61204011L1 1 DSU IV ESP User Manual 10 1 Chapter 10 Management Functions 1 Local Config 2 Remote Enter Address 1 Network Opt 2 DTE Options 1 Interface 1 VT 100 Control 3 Test Options 4 Dial Options 5 Management 10 2 6 Utilities 2 Control R
70. communications link that connects a single device to another single device such as a remote terminal to a host computer remote configuration A feature designed into ADTRAN DSU CSU products that allow remote DSU CSU to be configured from a local DSU CSU or VT 100 compatible terminal 61204011L1 1 DSU IV ESP User Manual H 7 Appendix H Glossary router A device that supports LAN to LAN communications Routers may be equipped to provide frame relay support to the LAN devices they serve A frame relay capable router encapsulates LAN frames in a frame relay frames and feeds those frame relay frames to a frame relay switch for transmission across the network A frame relay capable router also receives frame relay frames from the network strips the frame relay frame off each frame to produce the original LAN frame and passes the LAN frame on to the end device Routers connect multiple LAN segments to each other or to a WAN Routers route traffic on the Level 3 LAN protocol e g the internet protocol address See also bridge sealing current A designation for a powering situation that consists of a wet loop without span power service The provision of telecommunications to customers by a common carrier admin istration or private operating agency using voice data and or video technolo gies SNA systems network architecture The IBM protocol group which governs main frame communication SNMP simple network management pr
71. cronyms Abbreviations 8 e logical link control LML neess local management interface ERC oirir lateral redundancy check MIB sees management information base TNS ege gege millisecond OCUitniccionioci ne s office channel unit OOS PARA out of service PPP eiii point to point protocol LN BR physical unit ACC permanent virtual circuit RD ntsc receive data RDL eessen remote digital loopback IICA request for comments RFECN sen remote forward explicit congestion notification LI IN routing information protocol RMA sussie return material authorization KNR ee receiver not ready AAA receiver ready CAPA request to send also recommended standard LAKE request to send tino retar receive KE WEE service access point SDLC synchronous data link control SLIP onirin serial line internet protocol DNA eessen systems network architecture SNMP 000 simple network management protocol SPID iseit service profile identifier SRo data set ready SVG neiaie switched virtual circuit 61204011L1 1 DSU IV ESP User Manual G 3 Appendix G Acronyms Abbreviations SW56 E switched 56 SD eessen synchronous HR transmit data BN E data terminal ready KA transmit WA AA unavailable HN see user to network interface VRC egesi vertical redundancy check WAN inisio wide area network G 4 DSU IV ESP User Manual 61204011L1 1 Appendix H Glossary American National Standards Institute ANSI Devices and proposes recommendations
72. de Display 0 ATSn Read S Register none ATSn x Write to S Register none ATVn Result Code From Firmware 1 ATZ Self Test none AT amp Cn CD Option 0 AT amp Dn TR Option 0 AT amp Fn Restore Factory Options none AT amp Ln Network Type 0 AT amp Pn Remote Configuration AT amp Qn DTE Data Format 0 AT amp Rn CS Options 0 AT amp Sn_Cn SR Options 0 AT amp Zn x Store Phone Number none DSU IV ESP User Manual Appendix B AT Commands Table B 1 AT Commands Continued Command Title Default AT Nn Error Control V 34 DBU 0 AT Qn Flow Control V 34 DBU AT Tn Inactivity Timer AT Bn Loop Rate Select 0 AT Cn Compress Option V 34 DBU 0 AT Kn DTE Rate Select AT P Password Control 0 AT P x Password Entry 0 T P gt x Password Verify 0 AT Rx Initiate Remote Config AT Tn Anti stream Option 0 AT_An LLB Control 0 AT_Bn DBU Number to Dial 0 AT_Cn SR Control During Test 0 AT_Dn RTS CTS Delay 0 AT_En DBU Originate Answer 0 AT_Fn Scrambler Control 0 AT_Gn DBU When OOS 0 AT_Hn DBU When No TX Signal 0 AT_In DBU When No Sealing Current 0 AT_Jn Auto Answer Enable Disable 0 AT_Kn DBU Enable Disable 0 AT_Ln DTE Routing Main Backup 0 AT_N xx Set Network Address none AT_Pn Front Panel Enable Disable 0 AT_Rn RLB Enable Disable 0 AT_S xx Set Serial Number none AT_Tn Select Test Pattern 0 AT_Xn Clock Source Select 0 AT_Yn Secondary Channel Rate
73. display capabilities the VT 100 menu structure dif fers from the front panel interface Appendix C Terminal Menu Struc ture on page C 1 includes the VT 100 screens as well as a complete menu NOTE tree for accessing configuration selections Descriptions of individual menu options are provided throughout this manual based on the front panel menu structure See Figure 5 1 on page 5 3 and Figure 5 2 on page 5 4 for the front panel configuration menu trees When establishing a Telnet session the system prompts for a password The default password is adtran This password can be modified through the Management menu See Chapter 10 Management Functions on page 10 1 for more information NOTE 3 12 DSU IV ESP User Manual 61204011L1 1 Chapter 4 Applications This chapter provides examples of some common DSU IV ESP applications The examples include LAN applications with both SLIP PPP and ethernet management and a dial backup application LAN APPLICATION WITH SNMP TELNET MANAGEMENT The DSU IV can be managed through an established Telnet session or an SNMP based network manager like HP Openview IBM Netview or SunNet Manager The ADTRAN DSU IV ESP MIB is available in the support section of the ADTRAN webpage at www adtran com NOTE SNMP and Telnet management are provided by one of the following interfaces e A device e g a router running SLIP protocol Connection is made through the DSU IV s control port See
74. ed manually The factory default setting is 1 MINUTE RESTORE TIMER 0 0FF _ MIN DSU IV ESP User Manual 9 7 Chapter 9 Configuring Dial Options Redial Counter Fail Timer Wait to Redial This option sets the number of times the DSU IV ESP redials the far end when entering backup mode The redial count which is manually entered can be up to a maximum of 99 attempts If the DSU IV ESP encounters a busy or reorder it attempts to establish the call the specified number of times The factory default setting is 5 ENTER REDIAL COUNT __ This option sets the amount of time the dedicated circuit failure condition must be active before the DSU IV ESP attempts backup The amount of time which is manually entered can be up to 990 seconds The factory default setting is 30 SECONDS AUTO DBU FAIL TIME __ __ x10sec This option works in conjunction with the preceding Redial Counter It selects the amount of time between redial attempts to connect the backup line The amount of time which is manually entered can be up to 99 seconds The factory default setting is 10 SECONDS WAIT TO REDIAL TIME _ _ SEC DBU Options for S4W Card Network Type 9 8 This option selects the company providing the switched digital service When US Sprint is selected an automatic echo canceler suppressor tone is emitted by the DSU IV ESP when dialing Options include AT amp T MCI OTHER and US SPRINT DSU IV ESP User Manual 61204011L1 1
75. eived The ADTRAN DSU IV ESP MIB is available in the support section of the ADTRAN webpage at www adtran com NOTE Telnet Options Telnet Password View edit the Telnet password If using front panel entry see the section Entering Letters Using The Front Panel on page 10 6 for more information Telnet Timeout Select the inactivity time limit If the unit is idle for the designated amount of time the unit times out closing the Telnet session 61204011L1 1 DSU IV ESP User Manual 10 5 Chapter 10 Management Functions ENTERING LETTERS USING THE FRONT PANEL Some Management menus require the entry of letters rather than numbers When configuring the unit using the front panel special steps must be taken in order to perform these entries The following example of entering the Telnet Password illustrates this procedure 1 Press 5 then Enter to select TELNET OPTIONS from the Management menu Press 1 then Enter to select TELN PASSWORD Press the up arrow to delete the existing entry Press the Shift key The cursor appears as an underscore _ SL ee IS Use the up and down arrow keys to scroll to the appropriate letter 6 When the letter displays press Shift A block cursor appears in the next field 7 To enter another letter press Shift The cursor again appears as an underscore 8 Repeat this procedure until all letters have been entered 9 Once password entry is complete press Enter A bl
76. elay backbone See also encapsulation and frame relay capable interface device IP internet protocol A protocol which provides for transmitting blocks of data between hosts identified by fixed length addresses ISDN integrated services digital network A network architecture that enables end to end digital connections The network supports diverse services through inte grated access arrangements and defines a limited set of standard multipurpose interfaces for equipment vendors network providers and customers Inter working with a public switched telephone network is retained local area network LAN A privately owned network that offers high speed communications channels to connect information processing equipment in a limited geographic area MIB management information base A database of network management information used by SNMP multi point A configuration or topology designed to transmit data between a central site and a number of remote terminals on the same circuit Individual terminals will gen erally be able to transmit to the central site but not to each other out of band Signaling that is separated from the channel carrying information voice data video etc Typically the separation is accomplished by a filter The signaling includes dialing and other supervisory signals H 6 DSU IV ESP User Manual 61204011L1 1 Appendix H Glossary packet A message containing both control information and data The con
77. eration Uses MNP Error Control 4 AUTO MNP N3 Auto reliable MNP operation Tries MNP error control first uses normal operation if necessary 5 RELIABLE V A3 N4 Reliable V 42 LAPM operation Uses V 42 LAPM error control If V 42 LAPM error control cannot be used the call is dis connected 6 REL V 42 MNP_ NS Reliable V 42 LAPM or MNP operation Uses either V 42 LAPM or MNP error control If neither can be used the call is disconnected 7 AUTO V 42 MNP _ N6 Auto reliable V 42 LAPM or MNP opera tion Tries to use V 42 LAPM error control first and MNP error control next If neither can be used then Normal operation is used Flow Control 1 Disabled 1Q0 Flow control disabled 2 XON XOFF 1Q1 Enables XON XOFF flow control 3 CTS ONLY Q2 Enables CTS flow control from DCE 4 RTS CTS Q3 Enables CTS flow control from DCE and RTS from DTE 5 UNI XON XOFF 1Q4 Unidirectional XOn XOff B 10 DSU IV ESP User Manual 61204011L1 1 Appendix B AT Commands Table B 7 DBU Options AT Commands for V 34 Card Continued Front Panel AT Command Description Compression 1 Disabled CO Compression disabled 2 Enabled C1 Compression enabled 61204011L1 1 DSU IV ESP User Manual B 11 Appendix B AT Commands B 12 DSU IV ESP User Manual 61204011L1 1 Appendixc Terminal Menu Structure This appendix describes the terminal menus used when managing t
78. ern Clear Detector Local Unit Initiates Test Figure 13 10 V 54 RDL with Test Pattern 61204011L1 1 DSU IV ESP User Manual 13 17 Chapter 13 Testing and Troubleshooting Test Purpose The test purpose is to test the local DSU the DDS circuit and the remote DSU Initiating Follow the menu path outlined in Figure 13 11 to place a remote DSU IV ESP into loopback 1 2047 Pattern 1 Local Unit 2 511 Pattern 3 Stress Pattern 1 Enter Test Unit 4 Stress Pattern 2 2 Remote Unit Address 0 5 Stress Pattern 3 2 Test 6 Stress Pattern 4 si 7 Data from DTE 3 DBU Connection Test Results Figure 13 11 Initiating a Remote Test After selecting REMOTE UNIT from the menu the following prompt is displayed for entering the address for the remote unit ENTER TEST UNIT ADDRESS XX Use the number keys to type the address of the remote DSU then press Enter The test pattern selections are displayed After a test pattern is selected the system briefly displays PLEASE WAIT If the test is successful the status menu is displayed If the test is not successful UNABLE TO EXECUTE TEST is displayed Interpreting Test Results 13 18 If the unit is functioning properly the test error count should be 0 DSU IV ESP User Manual 61204011L1 1 Chapter 13 Testing and Troub
79. f L name business address telephone number being duly sworn state I have the responsibility for the operation and maintenance of the terminal equipment to be connected to 1 544 Mbps and or subrate digital services The terminal equipment to be connected complies with Part 68 of the FCC rules except for the encoded analog content and billing protection specification With respect to encoded analog content and billing protection IT attest that all operations associated with the establishment maintenance and adjust ment of the digital CPE with respect to encoded analog content and billing protection information continuously complies with Part 68 of the FCC rules and Regulations The digital CPE does not transmit digital signals containing encoded analog con tent or billing information which is intended to be decoded within the telecommuni cations network The encoded analog content and billing protection is factory set and is not under the control of the customer I attest that the operator s maintainer s of the digital CPE responsible for the estab lishment maintenance and adjustment of the encoded analog content and billing information has have been trained to perform these functions by successfully having completed one of the following check appropriate blocks A A training course provided by the manufacturer grantee of the equipment used to encode analog signals or B A training cour
80. for international communications stan dards asynchronous A method of data transmission which allows characters to be sent at irregular intervals by preceding each character with a start bit followed by a stop bit backward explicit congestion notification BECN A bit set by a frame relay network to notify an interface device DTE that con gestion avoidance procedures should be initiated by the sending device bandwidth The bandwidth determines the rate at which information can be sent through a channel the greater the bandwidth the more information that can be sent ina given amount of time bridge A device that supports LAN to LAN communications Bridges may be equipped to provide frame relay support to the LAN devices they serve A frame relay capable bridge encapsulates LAN frames in frame relay frames and feeds them to a frame relay switch for transmission across the network A frame relay capa ble bridge also receives frame relay frames from the network strips the frame relay frame off each LAN frame and passes the LAN frame on to the end device Bridges are generally used to connect LAN segments to other LAN segments or to a WAN They route traffic on the Level 2 LAN protocol e g the Media Access Control address which occupies the lower sub layer of the LAN OSI data link layer See also router 61204011L1 1 DSU IV ESP User Manual H 1 Appendix H Glossary CD carrier detect A signal generated by a modem or DSU CSU C
81. formation transfer over a link connec tion SDLC is a subset of the HDLC protocol developed by ISO TELNET The standard TCP IP remote login protocol specified in RFC 854 VT 100 A non intelligent terminal or terminal emulation mode used for asynchronous communications Used to configure the DSU IQ 61204011L1 1 DSU IV ESP User Manual H 9 Appendix H Glossary H 10 DSU IV ESP User Manual 61204011L1 1 Index A ACES help desk xiii affidavit connection for digital services iv connection of CPE equipment v anti stream option 7 9 Applications engineering how to contact xiii asynchronous option 5 7 AT commands configuration 5 5 for DSU IV ESP B 1 for remote tests 13 17 test 13 8 test options 8 2 B 7 B bi sync option 5 6 Cc cables provided by ADTRAN 2 1 2 2 provided by customer 2 2 Canadian emissions requirements viii Canadian equipment limitations ix CAPS department how to contact xiv CD options 7 9 clear to send CS options 7 8 configuration AT commands 5 5 V 25 bis commands 5 6 configuration methods list of 5 1 configuration overview 5 1 configuration profiles 1 4 D 1 configuration profiles chart D 2 connector type for DTE 7 6 control port 3 10 61204011L1 1 control port operating speed 10 3 customer service xiii D data format DTE interface 7 6 data set ready SR options 7 10 data terminal ready TR options 7 9 DBU answer test 8 3 DBU configuration C 7 DBU co
82. from lightning 3 Do not use the telephone to report a gas leak in the vicinity of the leak 4 Use only the power cord power supply and or batteries indicated in the manual Do not dispose of batteries in a fire They may explode Check with local codes for special disposal instructions Save These Important Safety Instructions Affidavit Requirements for Connection to Digital Services An affidavit is required to be given to the telephone company whenever digital terminal equipment without encoded analog content and billing protection is used to transmit digital signals containing encoded analog content which are intended for eventual conversion into voice band analog signal and transmitted on the network The affidavit shall affirm that either no encoded analog content or billing informa tion is being transmitted or that the output of the device meets Part 68 encoded analog content or billing protection specification End use customer will be responsible to file an affidavit with the local exchange carrier when connecting unprotected CPE to a 1 544 Mbps or subrate digital ser vice Until such time as subrate digital terminal equipment is registered for voice appli cations the affidavit requirements for subrate services are waived Affidavit for Connection of Customer Premises Equipment to 1 544 MBPS and or Subrate Digital Services For the work to be performed in the certified territory of telco name State of County o
83. from the date of shipment to Customer all products manufactured by ADTRAN will be free from defects in materials and work manship ADTRAN also warrants that products will conform to the applicable speci fications and drawings for such products as contained in the Product Manual or in ADTRAN s internal specifications and drawings for such products which may or may not be reflected in the Product Manual This warranty only applies if Customer gives ADTRAN written notice of defects during the warranty period Upon such notice ADTRAN will at its option either repair or replace the defective item If ADT RAN is unable in a reasonable time to repair or replace any equipment to a condition as warranted Customer is entitled to a full refund of the purchase price upon return of the equipment to ADTRAN This warranty applies only to the original purchaser and is not transferable without ADTRAN s express written permission This warranty becomes null and void if Customer modifies or alters the equipment in any way other than as specifically authorized by ADTRAN EXCEPT FOR THE LIMITED WARRANTY DESCRIBED ABOVE THE FOREGOING CONSTITUTES THE SOLE AND EXCLUSIVE REMEDY OF THE CUSTOMER AND THE EXCLUSIVE LIABILITY OF ADTRAN AND IS IN LIEU OF ANY AND ALL OTHER WARRANTIES EXPRESSED OR IMPLIED ADTRAN SPECIFICALLY DIS CLAIMS ALL OTHER WARRANTIES INCLUDING WITHOUT LIMITATION ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SOMESTA
84. g Test Sequence for Troubleshooting New Installs or Existing Circuits If your DSU Do this seems to be having problems Perform a self test to determine whether the unit is operational is receiving excessive errors First perform a DTE with Test Pattern to determine requiring retransmission of whether the unit s internal transmitter and receiver are data operating error free If problem persists perform a Remote Test to verify the connection between the local and remote unit is error free Run the test using all available test patterns fails any of these tests or the Contact ADTRAN Technical Support This informa problem has not been deier tion is located in the front section of this manual mined Tf an external BERT tester is available these additional tests may be per NOTE formed DTE amp Loop Test DTE Only Test Loop Only Test 61204011L1 1 DSU IV ESP User Manual 13 7 Chapter 13 Testing and Troubleshooting LOCAL UNIT DIAGNOSTICS The local DSU IV ESP can perform six different tests as described in Table 13 3 Table 13 3 Test AT Commands Front Panel Display AT Command Description DTE amp Loop LL 8110 TD TD and TX TX Loopbacks Loop Only RT amp T11 RX TX Loopback at Network Interface DTE Only amp T1 TX RX Loopback at DTE Interface DTE with TP amp T8 TX RX Loopback with Test Pattern Test Pattern amp T9 Transmit Receive Test Pattern Self Test Z
85. g configuration and control commands for the DSU IV ESP Figure 11 1 shows the menu path for the manual command The available manual commands are listed in Table 11 1 on page 11 4 When using the front panel perform the following steps to enter a manual command 1 From the Main menu select CONFIG gt LOCAL gt UTILITIES 2 Then select MANUAL COMMAND The first display prompts for command number entry COMMAND 00 3 Use the up arrow key to delete the current entry then use the number keys to enter the new value Press Shift to activate letters A F 4 Press Enter to complete the COMMAND entry 5 Once the command number is entered the display shows both the command number and the present value or setting for the command The command value can be edited or reissued with the existing value COMMAND XX VALUE 00 6 Use the number keys to enter the hexadecimal value Press Enter to complete The system briefly displays COMMAND ACCEPTED if the entry is valid and returns to the active menu 61204011L1 1 DSU IV ESP User Manual 11 3 Chapter 11 Configuring Unit Utilities 11 4 Table 11 1 Manual Commands Command Description Command Value AT Command Echo Disable 82 00 Enable 82 01 AT Result Code Disable 85 00 Enable 85 01 AT Long or Short Code Short Form numeric 86 00 Long Form verbose 86 01 AT Escape Character 2 00 to FF
86. he DSU IV ESP through either a VT 100 terminal interface or a Telnet session The terminal menu tree is shown in Figure C 1 on page C 2 An example of a terminal screen is shown in Figure C 2 on page C 3 Due to the increased display capabilities the VT 100 menu structure dif fers from the front panel interface Descriptions of individual menu op NOTE tions are provided throughout this manual based on the front panel menu structure Chapter 5 Configuration Overview on page 5 1 contains front panel configuration menu trees 61204011L1 1 DSU IV ESP User Manual C 1 Appendix C Terminal Menu Structure 1 Status Status Display Screens 2 Local Config 1 Remote Address 3 Remote Config 2 Execute Remote Config 1 DTE amp Loop 2 Loop Only 4 Local Test 3 DTE Loopback 1 DTE Rate 1 DSU 1 DTE Options 2 Connector Type 3 DTE Data Format 4 Async Word Length 5 DTE CMD Set 6 Transmit Clock 7 CS Control 14 Loop Rate 8 RS CS Delay 15 Network Address 9 Anti stream 16 Network Type 10 CD Control 17 Clock Source 11 TR Control 18 Test Timeout 12 SR Control 19 Remote Test 13 Scramble 64K 20 LL EIA 2 Network Test Command Options 21 RL EIA 22 Remote Config Selections depend on DBU card 23 SW56 Auto Answer 2 Dial Backup See Figure 9 1 on page 9 2 for this part of the menu tree PA er 4 DTE 2047 PTRN 5 DTE 511 PTRN 3 Dial Directory
87. he SPID is assigned by the telco when the ISDN line is installed and normally resembles the phone number Only the AT amp T 5ESS switch is capable of recognizing a point to point configuration eliminating the need for a SPID All other switch types require a SPID Setting the Local Directory LDN Number For ISDN dial backup the LDN is stored in Stored Number 10 See Table 9 1 above 61204011L1 1 DSU IV ESP User Manual 9 3 Chapter 9 Configuring Dial Options SW56 Auto Answer The SW56 Auto Answer option is used to specify how incoming calls are to be answered If ENABLED incoming calls are automatically answered by the DSU IV If DISABLED an incoming call can be answered manually by an AT or V 25 command from the DTE or by raising TR from the DTE DBU Options 9 4 The DBU Options are used to select the modes of operation for the Dial Backup features There are ten standard options available with additional options for specific backup services Table 9 2 lists the DBU options and their AT commands for all models Table 9 2 DBU Options AT Commands for All Models Front AT Description Panel Command Automatic DBU 1 Disabled _KO Automatic DBU disabled 2 Enabled _K1 Automatic DBU enabled Number to Dial 1 DBU with 1 _BO Dial stored 1 2 DBU with 2 Bi Dial stored 2 Originate Answer 1 DBU originate _EO Originates call if DDS fails 2 DBU answer _El Answers call if DDS fai
88. igure C 2 The Dat selection in the terminal Main menu is determined by two NOTE things the Network Type selected in the Configuration menu and the presence absence of a DBU card See Table C 1 Table C 1 Terminal Main Menu Dial Selection Network Type Selected DBU Card Sixth Selection Dedicated installed Dial ESP DBU SW56 N A Dial SW56 Dedicated not installed no selection available ETE AAA 1 STATUS 2 LOCAL CONFIG 3 REMOTE CONFIG 4 LOCAL TEST 5 REMOTE TEST 6 DIAL SW56 Esc EXIT ENTER SELECTION gt Figure C 2 Terminal Interface Main Menu 61204011L1 1 DSU IV ESP User Manual C 3 Appendix C Terminal Menu Structure Status Menus STATUS menus display all relevant information for the network and DTE interfaces See Figure C 3 For more information see Viewing Status Information on page 14 1 DSU IU ESP STATUS UNIT LOOP STATUS OTE LEADS LOOP RATE SWITCHED 56K RTS OTE RATE 57 6K CTS OTE FORMAT ASYNC TD TEST STATUS RD SELF TEST oco SOFTWARE REV DSR CHECKSUM 1132 DTR DBU TYPE NONE LL LOOP STATUS OPEN LOOP RL IN N SW56 DIALING STATUS IDLE NUM DIALED Figure C 3 Status Menus C 4 DSU IV ESP User Manual 61204011L1 1 Appendix C Terminal Menu Structure Local Remote Configuration Menus 61204011L1 1 When LocaL CONFIGURATION is selected the screen in Figure C 5 appears For REMOTE CONFIGURATION the remote address must be entered thro
89. irements for the system then no additional configuration is required to put the unit into service If profile 1 does not match system requirements it can be modified or one of the other profiles that more closely matches the system requirements can be loaded into current memory When a different profile is loaded or the existing profile is modified it is stored in the current nonvolatile configuration memory The DSU IV ESP is then configured with that profile every time power is turned on or the unit is reset CONFIGURATION METHODS 61204011L1 1 The DSU IV ESP responds to the following methods of configuration e AT commands e V 25 commands e Front panel commands e A VT 100 compatible terminal e SNMP Telnet through a device running SLIP PPP protocol SNMP Telnet through a LAN running ethernet protocol available when the optional ESP Ethernet card is installed DSU IVESP User Manual 5 1 Chapter 5 Configuration Overview NOTE 5 2 AT and V 25 commands have limited access to configuration parameters See AT Commands on page 5 5 and Appendix B AT Commands on page B 1 for more information See Chapter 2 Installation on page 2 1 and Chapter 3 Operation on page 3 1 for more information on all other configuration methods For an example application using the SLIP PPP or ethernet interface see Applications on page 4 1 Descriptions of each Configuration menu item are given in the following chapters Configuring Net
90. is installed enable disable the front panel or enter manual commands Configuring Unit Utilities on page 11 1 provides more detailed information See Figure C 10 OSU IU ESP UTILITY 1 TIME HR MN SC gt 12 35 66 2 DATE NN DY YR gt 63 21 99 3 SERIAL NUMBER 123456789 4 LAN MAC ADDRESS saggG8G00000 5 FRONT PANEL EN 6 ENTER MANUAL CMD ESC EXIT ENTER SELECTION gt _ Figure C 10 Utility Menu DSU IV ESP User Manual C 9 Appendix C Terminal Menu Structure Local Remote Test Menus The LOCAL TEST OPTIONS menu is shown in Figure C 11 The REMOTE TEST OPTIONS menu is shown in Figure C 12 For information on these menu items see Testing and Troubleshooting on page 13 1 OTE amp LOOP LOOP ONLY OTE LOOPBACK OTE 2047 PTRN gt OTE 511 PTRN gt OTE lt DDS PTRN 1 OTE lt DDS PTRN 2 DTE DDS PTRN 3 DTE lt DDS PTRN 4 1 2 3 4 5 6 gt 8 9 ESC EXIT REMOTE ADDRESS DATA FROM DTE 2047 TEST PTRN 511 TEST PTRN ODS PTRN 1 DDS PTRN 2 DDS PTRN 3 DDS PTRN 4 00 NADAN ESC EXIT OSU IU ESP LOCAL 16 11 12 13 14 15 16 ENTER SELECTION gt _ OPTIONS 2047 PTRN 511 PTRN DDS PTRN ODS PTRN DDS PTRN DOS PTRN TEST Figure C 11 Local Test Options Menu OSU IU ESP REMOTE TEST OPTIONS ENTER SELECTION gt _ Figure C 12 Remote Test Options Menu C 10 DSU IV ESP User Manual 61204011L1 1 Appendix C Terminal Menu Structure Dial SW56
91. lashes press Enter Select LOCAL or REMOTE configuration by pressing the corresponding number then press Enter Use the arrow keys to view submenu items Choose an item on the submenu such as NETWORK OPTIONS NETWORK OPT Activate NETWORK OPT by pressing 1 Then press Enter Activate Loop RATE options by pressing 1 Then press Enter 1 LOCAL 3 CONFIG 2 REMOTE Press the number corresponding to the desired loop rate Then press Enter 1 LOOP RATE 2 NETWORK ADDRESS 1 NETWORK OPT 3 REMOTE CONFIG 2 DTE OPTIONS 4 NETWORK TYPE 3 TEST OPTIONS 5 CLOCK SOURCE 4 DIAL OPTIONS 3 4 5 MANAGEMENT 6 UTILITIES Figure 3 2 Example of Basic Menu Navigation DSU IV ESP User Manual 61204011L1 1 Chapter 3 Operation FRONT PANEL The DSU IV ESP faceplate is shown in Figure 3 3 Descriptions of each part of the front panel follow the figure Up and Down Arrow Keys ARMEER Enter Ke LCD Window Keypad RD LED CN ADRAR DSU IV ESP A B E ENTER 1 2 3 D E E TEOS E WEE SU Cr Cr Cry TD RD CD ALM TST SHIFT QUICK CANCEL 0 XN y TD LED RS LED CS LED CD LED Cancel Key Shift Key Quick Key Figure 3 3 DSU IV ESP Front Panel LCD Window Displays menu items and messages in 2 lines by 16 characters Enter Selects active menu items To select a menu ite
92. le 1 Disabled _AO No response to local loopback 2 Enabled Ai Responds to local loopback EIA RLB Enable Disable 1 Disabled _RO No response to remote loopback 2 Enabled _Ri Responds to remote loopback DBU Answer Test 1 Disabled none Remote unit does not accept DBU tests from far end 2 Enabled none Remote unit accepts DBU tests from far end Table B 5 AT Commands for Storing Phone Numbers AT Command Description amp Zn Store Phone Number amp Z9 Enter SPID Number for ISDN dial backup amp Z10 Edit LDN for ISDN dial backup 61204011L1 1 DSU IV ESP User Manual B 7 Appendix B AT Commands Table B 6 DBU Options AT Commands for All Models Front Panel AT Command Description Automatic DBU 1 Disabled _KO Automatic DBU disabled 2 Enabled _K1 Automatic DBU enabled Number to Dial 1 DBU with 1 _BO Dial stored 1 2 DBU with 2 _Bi Dial stored 2 Originate Answer 1 DBU originate _EO Originates call if DDS fails 2 DBU answer _El Answers call if DDS fails DBU Criteria When Out of Service 1 Disabled _GO No DBU for OOS 2 Enabled Gi DBU when OOS No Receive Rx Signal 1 Disabled _HO No DBU when RX signal absent 2 Enabled Hi DBU when RX signal absent No Sealing Current 1 Disabled _10 No DBU when sealing current absent 2 Enabled _10 DBU when sealing current absent When All 1s 0s 1 Disabled _PO
93. le Disable Disable Disable EIA Controlled RLB Disable Disable Disable Disable DBU Answer Test Disable Disable Disable Disable Dial Options Automatic DBU Disable Disable Enable Enable DBU Number to Dial 1 1 1 1 DBU Originate Answer Answer Answer Answer Originate DBU when OOS Enable Enable Enable Enable DBU when No RX Signal Enable Enable Enable Enable DBU when No Sealing Current Enable Enable Enable Enable DBU Auto Restore Timer 1 minute 1 minute 1 minute 1 minute DBU Redial Counter 5 5 5 5 DBU Fail Timer x10 seconds 3 3 3 3 DBU Redial Wait Time 10 10 10 10 When all 1s 0s Disable Disable Disable Disable Network Type AT amp T AT amp T AT amp T AT amp T Error Control Auto Auto Auto Auto V 42 MNP V 42 MNP V 42 MNP V 42 MNP Flow Control V 32 CTS Only CTS Only CTS Only CTS Only Data Compression V 32 Enabled Enabled Enabled Enabled 61204011L1 1 DSU IV ESP User Manual D 3 Appendix D Configuration Profiles D 4 DSU IV ESP User Manual 61204011L1 1 Appendix E DSU to DSU Tail Circuit MODEM TAIL CIRCUIT APPLICATION A DDS Tail Circuit is a serial connection of two DDS circuits as shown in Figure E 1 on page E 2 The two circuits are joined at the DTE port interface of each DSU unit A special tail circuit crossover cable is required so that the transmit line connects to the receive line on the other DSU and the DTR CTS RTS and CD signal lines get matched appropriately Figure E 2 on page E 3 details the cros
94. lects controls and presents data pertinent to the operation of the network devices It resides on a network management station Control program that resides in each network device connected This program responds to queries and commands from the network manager and returns requested information or invokes configuration changes initiated by the manager Index to the organized data within a network device It defines the operation parameters that can be controlled or monitored The DSU IV supports the MIB II standard RFC 1213 and ADTRAN Enterprise Specific MIB MIB files are available from ADTRAN in the support section of the ADTRAN webpage at www adtran com The DSU IV s embedded SNMP feature allows the unit to be accessed and controlled by a network manager through either a device running SLIP or async PPP protocol connected to the CONTROL port of the DSU or through a LAN A LAN connection requires the optional ESP ethernet card P N 1204005L1 This card provides a 10BaseT ethernet interface to the LAN DSU IV ESP User Manual 61204011L1 1 TELNET Chapter 1 Introduction Telnet provides a password protected remote login facility to the DSU IV Telnet allows a user on a network manager to control the DSU IV through the terminal menus See Applications on page 4 1 and Terminal Menu Structure on page C 1 for more information DIAL BACKUP OPERATION The DSU IV ESP s unique DBU cards are field installable by the customer See In
95. les in both the local and remote DSU IV ESP are functioning properly Initiating Follow the menu path outlined in Figure 13 13 to initiate a DBU connection test 1 98376113 2 Empty 3 Empty 1 Local Unit 1 Dial Stored 4 Empty 2 Test 2 Remote Unit 2 Enter Dial 5 Empty 3 DBU Connection 3 Redial Last 6 Empty 7 Empty 8 Empty 9 Empty A Empty Figure 13 13 Initiating a DBU Connection Test Interpreting Test Results If the unit is functioning properly the DSU IV ESP displays DBU TEST PATTERN TST ERR 0000 13 20 DSU IV ESP User Manual 61204011L1 1 Chapterta Viewing Status Information STATUS The STATUS selection displays two lines of the current operational status of the network and the DTE interfaces After 30 seconds of no front panel operation the DSU IV ESP automatically reverts to the Status display see Figure 14 1 This screen only a f displayed during test gt DTE amp Loop Test being performed EE e Ga DSU Operational Status DATA MODE 4 DDS Network Status LOOP IS NORMAL LOOP 64K e UL DTE9 6KSYNC SW56 DBU STATUS Dial Backup Type J Network Rate DTE Rate Data Format f g OPEN LOOP Es Dial Backup Status a TR SR LLB RLB K DTE Control Leads d OFF ON OFF OFF J Control Lead Status Figure 14 1 Status Display 61204011L1 1 DSU IV ESP User Manual 14 1 Chapter 14 Viewing Status Information Network Rate
96. leshooting DBU CONNECTION When the DSU IV ESP is equipped with a dial backup option the DBU CONNECTION option appears as one of the TEST menu selections This test allows the dial backup network to be tested while data is transmitted on the main line See Figure 13 12 When this option is selected choose a stored number enter a number to dial or redial the last dialed number After establishing DBU connection the DSU IV ESP designated at the answer unit is placed into loopback and a test pattern is transmitted from the originate unit to the answer unit Receive data is checked for errors and the results displayed on the front panel While running this test errors may be injected by pressing 2 and cleared by pressing 1 During the DBU test the TEST LED is On When running at a subrate over a 56k or 64k loop or a 64k loop with Scrambler activated the DSU will not send data during a DBU test NOTE The DBU Answer Test option must be enabled Enabling DBU Answer test does not affect the unit during dial backup LOCAL LOCAL DSU CSU DSU CSU DTE DTE M M HE O Oe eR BGS S ee U A S DBU Switched DBU Answer A AA 0 rig Figure 13 12 DBU Connection Test 61204011L1 1 DSU IV ESP User Manual 13 19 Chapter 13 Testing and Troubleshooting Test Purpose The purpose of this test is to verify that the DBU circuit and DBU modu
97. llows CD amp R2 CS state same as CD state 4 Follows RS CD amp R3 CS state same as RS and CD state 5 Off with LOCD amp R4 Off 5 seconds after LOCD SW56 only For FOLLOWS RS options select the length of the delay 1 CS delay short _DO Short delay from RS to CS selected 2 CS delay long _D1 Long delay from RS to CS selected Anti Stream 1 Timer Off amp TO Anti stream timer disabled 2 Time 10 Sec amp T1 Timeout equals 10 seconds 3 Time 30 Sec amp T2 Timeout equals 30 seconds 4 Time 60 Sec amp T3 Timeout equals 60 seconds CD Options 1 Forced On SACH On all the time 2 Normal AC On only when data present on loop 3 Off with LOCD amp C2 On except after disconnect SW56 only TR Options 1 Ignored amp DO Ignore the TR input 2 Idle when off amp D2 See the note at the end of this table 3 Off gt On dial 1 amp D3 Dial Stored 1 TR goes off to on SW 56 only 4 Off gt On dial 2 amp D4 Dial Stored 2 TR goes off to on SW 56 only 5 No DBU if Off amp D3 No dial backup if TR is off valid only when DBU ESP card is installed and Net work Type is set to Dedicated 7 4 DSU IV ESP User Manual 61204011L1 1 Chapter 7 Configuring DTE Options Table 7 1 DTE Options AT Commands Continued Froni AT Description Panel Command p SR Options 1 Forced On amp S0_C1 Always on 2 Off OOS only amp S1_C1 Off when network out of service 3 Off LOCD Only
98. lowing options which are available only after a test has been initiated see Figure 13 4 on page 13 4 Exit Test Exits the current test and returns to the Main menu DSU IV ESP User Manual 13 3 Chapter 13 Testing and Troubleshooting 2 Test Display Status Reenters test display 1 Local Unit 1 DTE 8 Loop LL 2 Loop Only RT 1 2047 Pattern 2 Remote Unit 3 DTE Only 2 511 Pattern 4 DTE with TP 3 Stress Pattern 1 5 Test Pattern 4 Stress Pattern 2 5 Stress Pattern 3 6 Self Test Enter Test Unit Address 0 6 Stress Pattern H 4 1 2047 Pattern 2 511 Pattern 3 Stress Pattern 1 3 DBU Connection 1 Dial Stored 4 Stress Pattern 2 5 Stress Pattern 3 6 Stress Pattern H 4 2 Enter Dial 7 Data from DTE TROUBLESHOOTING 3 Redial Last Figure 13 4 Complete Test Menu This section is intended to provide a quick and easy means of diagnosing suspected problems associated with local or remotely attached ADTRAN DSU CSUs Messages from the DSU CSU 13 4 Messages on the LCD display and LEDs give information concerning the status of the unit and the local loop If the ALARM LED is on at least one of the messages shown in Table 13 1 on page 13 5 is displayed on the LCD DSU IV ESP User Manual 61204011L1 1 Chapter 13 Testing and Troubleshooting NOTE The STATUS menu must
99. ls DBU Criteria When Out of Service 1 Disabled _GO0 No DBU for OOS 2 Enabled Gi DBU when OOS DSU IV ESP User Manual 61204011L1 1 Chapter 9 Configuring Dial Options Table 9 2 DBU Options AT Commands for All Models Continued Ale ER Description No Receive Rx Signal 1 Disabled _HO No DBU when RX signal absent 2 Enabled Hi DBU when RX signal absent No Sealing Current 1 Disabled _10 No DBU when sealing current absent 2 Enabled _10 DBU when sealing current absent When All jete e 1 Disabled PO No DBU when all 1s 0s detected 2 Enabled _PO DBU when all 1s 0s condition exists Answer Always 1 Disabled none Answer unit answers only under specified conditions 2 Enabled none Answer unit answers any incoming call regardless of failed condition Weekend Lockout 1 Disabled none Disables weekend lockout feature 2 Enabled none No backup occurs from midnight Fri day to midnight Sunday Daily Lockout 1 Disabled none Sets dial backup lockout starting hour 2 Enabled none Sets dial backup lockout ending hour Lockout Start none Sets hour to enable dial backup Lockout End none Sets hour to disable dial backup Auto Restore 31 x Sets restore timer Redial Counter S57 x Sets redial counter Fail Timer S58 x Sets fail timer Wait to Redial S59 x Sets time between redial attempts 61204011L1 1 DSU IV ESP User Manual
100. ls 13 15 MS EE 13 16 TES E PUTDOS E 13 16 Interpreting Test Results ENNEN 13 16 Remote Unit Diagnostics ENEE 13 17 LOSE RUPP EE 13 18 Initiating eeng Eed eer E 13 18 TEST ENEE 13 18 Interpreting Test Results ENEE 13 18 TI BW COMMECH ON EE 13 19 Test PULP E 13 20 ICI EE 13 20 XX DSU IV ESP User Manual 61204011L1 1 Table of Contents Interpreting Test Results viii a 13 20 Chapter 14 Viewing Status Information Statistics 14 1 Network Rate DTE Rate and Data Format 14 2 Dial Backup Information eege aca a a iii c 14 2 Type of Dial Backup Service siir iset inei nantes 14 2 ISBN DRESS A A vies eta te 14 2 KU Be BEE EE 14 2 VA PBU E ci ai esla 14 2 DBU Status Not Installed wo cccccsccssscesseceseecssceesecesseesseceseecsseeesseenees 14 2 Current Status of Dial Backup Mode EE 14 2 Answering Call cuore nit 14 2 SCHRETT EE 14 2 Calle Unit Busy iiss ee 14 2 EEN es feos vo A A A E E 14 3 Going ET 14 3 AA eet EES E EEN 14 3 mMeomine eege e EE EE EE 14 3 Dial Backup teien ci sth a E e case AERE 14 3 N RX Signal iiie iaee a E E a PEE EEE 14 3 No Wink from CO EE 14 3 Not Installed EE 14 3 OOS OOE From Net ge EEN EA 14 3 Opens LOOP EE 14 3 DBU Eine THR Te ida iia 14 3 Test From sl ClO at e ca bad 14 3 DBU T st Patteri A A e 14 4 Waiting for Call prsnega dat bi 14 4 lafe A ed its seed ease ale 14 4 AAA Ee 14 4 Register SPID ivan a dire EES 14 4 DSU Operation and Network Status cococcococenoncnconononnnnonenennorannnnannrnr
101. m press the number of the item The menu item flashes indicating it is activated Press Enter to select the menu item Keypad The keypad contains dual function keys numbered 0 through 9 with alpha characters A through F These keys are used to activate menu items and enter information 61204011L1 1 DSU IV ESP User Manual 3 5 Chapter 3 Operation Shift Enter alpha characters by pressing and releasing Shift before pressing the key representing the desired character To activate a menu item designated by an alpha character rather than a number press Shift and then the letter The menu item flashes indicating which parameter is activated Press Enter to select the item NOTE 3 6 Ifa key is pressed without using Shift the numbered item becomes active instead of the alpha item Quick During most operations the Quick key returns the display to the Main menu During a test the Quick key returns to the top of the TEST menu In SW56 operations if the unit is not in test the Quick key returns to the DIAL menu Cancel Pressing the Cancel key stops the current activity and returns to the previous menu Repeat until the desired menu level is reached Up and Down Arrows Up and down arrows scroll through the submenu items available in the current menu LED Descriptions The DSU IV ESP has seven LED indicators RS CS TD RD CD ALM and TST These LEDs are described in Table 3 1 on page 3 7 DSU IV ESP User Manual 612040
102. mary This section describes the standard specifications and features incorporated in the DSU IV ESP Operating Modes e Dedicated DDS point to point multi point e Switched 56 4 wire e ISDN 1B D in dial backup e PSTN V 34 in dial backup Network Data Rates e Dedicated mode service rates 2 4 4 8 9 6 19 2 38 4 56 64 kbps e Switched mode service rate 56 kbps Dial Backup e Switched 56 56 kbps e V 34 2 4 33 6 kbps e ISDN 56 or 64 kbps DTE Rates Provided e DTE rates match service rates e DTE to loop rate matching in both dedicated and switched modes e Synchronous rates 2 4 4 8 9 6 19 2 38 4 56 and 64 kbps e Asynchronous rates 2 4 4 8 9 6 19 2 38 4 and 57 6 kbps DSU IV ESP User Manual F 1 Appendix F Specifications Summary F 2 DTE Interfaces e Both ElA 232 andV 35 electrical and physical DTE interfaces SNMP and Telnet e Integrated SLIP PPP port e Physical Connector RJ 48S and DB 25 e Optional 10BaseT interface with ESP Ethernet Card e MIBI RFC 1213 complaint e Enterprise specific MIB e SNMP traps Clocking e Normal DDS slaved to network receive clock e Private network master internal e Private network master slaved to external DTE clock e Normal DDS tail circuit Switched Mode Dialing Options e Stored number e Front panel keypad e DTR dialing of stored numbers e In band AT commands e V 25 bis in band dialing Diagnostics e Network CSU and DSU l
103. n Assignments for Primary ElA 232 Connector DB25 Pin EIA Description 1 AA Protective Ground PG 2 BA Transmit Data TD 3 BB Receive Data RD 4 CA Request to Send RS 5 CB Clear to Send CS 6 CC Data Set Ready SR 7 AB Signal Ground SG 8 CF Received Line Signal Detector CD 9 12 Test Point 10 12 Test Point 15 DB Transmit Clock TC 17 DD Receive Clock RC 18 Local Loopback LL 20 CD Data Terminal Ready TR 21 Remote Loopback RL 22 CE Ring Indicator Rl 24 DA External TX Clock ETC 25 Test Indicator T1 61204011L1 1 DSU IV ESP User Manual A 3 Appendix A Pinouts Table A 4 Pin Assignments for Primary V 35 Connector Pin CCITT Description A 101 Protective Ground PG B 102 Signal Ground SG C 105 Request to Send RTS D 106 Clear to Send CTS E 107 Data Set Ready F 109 Received Line Signal Detector CD H Data Terminal Ready DTR J lt Ring Indicator L Local Loopback LL N Remote Loopback RL R 104 Received Data RD A T 104 Received Data RD B V 115 Receiver Signal Element Timing SCR A A 115 Receiver Signal Element Timing SCR B P 103 Transmitted Data SD A S 103 Transmitted Data SD B Y 114 Transmitter Signal Element Timing SCT A AA 114 Transmitter Signal Element Timing SCT B U 113 External TX
104. ncocinnncnnnnonenennnnnnnnnnnrnrnonenoraranarnanos 12 2 Dial BAC ip int E aLe e e aae EE 12 2 Stay On Leased ssri eon a t E EE ER R T 12 2 Dial Options During Dial Backup ENEE 12 3 61204011L1 1 DSU IV ESP User Manual xix Table of Contents Han Upa abate tani a dls bu 12 3 Stay ON LINE E 12 3 Chapter 13 Testing and Troubleshooting Test WEE 13 1 Initiating Test geen Seege Eed 13 2 Test Status Displays iia SEA 13 3 Exiting E tee de EE EE 13 3 BSE POS ties saison Ad e ee aere 13 3 Display Status diia arto Patada edo hn Alle Baldy 13 4 Trouble at ee Ee 13 4 Messages from the DSU CSU init gea ete sictacscdentbitesrsnarstectestaeriiits 13 4 Troubleshooting New Installs ENEE 13 6 Test Sequence for Troubleshooting New Installs or Existing Circuits 13 7 Local Unit Diagnostiese nseni iesene eera aA aeeai aaraa o EATER S ESEE 13 8 DTE Ge Loop EE E 13 10 Test PULP EE 13 10 Interpreting TestiResults cacas teen ien li at les 13 10 ENANA AAA O 13 11 RO e E 13 11 Interpreting Test Results ENNEN 13 11 DIE Only anal bach wees dashes deat silo estas di is 13 12 TLOSE PULP E 13 12 Interpreting Test Results ENNEN 13 12 DTE With Test Patterns css tia acces 13 13 Test PULPOSE eege eanget eegene enge deste 13 13 Interpreting Test Results c1 22 3 ts scesctastestebeaadssete se bsttanevesedecuvtedepactuteteepeseate 13 14 Test Patter cen Aves A A E seta bo ede ied the BS ves 13 15 Test PULP E 13 15 Interpreting Test Results circa ide coda ici
105. ng Long Long Test Pattern Type 2047 2047 2047 2047 CS Delay Short Short Short Short DTE Recog Delay x100ms 3 3 3 3 DTR Command Timeout x100 8 8 8 8 Front Panel En Dis Enable Enable Enable Enable Inactivity Timer Off Off Off Off AT Password Control Disable Disable Disable Disable Network Options Loop Rate Auto Auto Auto Auto Network Address 0 0 0 0 Remote Conf En Dis Enable Enable Enable Enable Clock Source From From From From Network Network Network Network DTE Options Remote DSU Address 0 0 0 0 DTE Rate 56k loop 56k 57 6k 56k 57 6k 56k 57 6k 56k 57 6k Scrambler Mode OFF OFF OFF OFF Connector Type V 35 RS 232 V 35 V 35 DTE Data Format SYNC ASYNC SYNC SYNC DTE Command Options DIS DIS DIS DIS D 2 DSU IV ESP User Manual 61204011L1 1 Appendix D Configuration Profiles Table D 1 Configuration Profiles Continued Profile Numbers 00 1 01 2 02 3 03 4 Transmit Clock Normal Normal Normal Normal CS Options Follow RS Follow RS Follow RS Follow RS Anti stream Timer Timer Off Timer Off Timer Off Timer Off CD Option Normal Normal Normal Normal TR Options Ignored Ignored Ignored Ignored SR Options Off Test OOS Off Test OOS Off Test OOS Off TesttOOS Secondary Channel Rate OFF OFF OFF OFF Test Options Test Timeout OFF OFF OFF OFF RDL En Dis RDL Accepted RDL Accepted RDL Accepted RDL Accepted EIA Controlled LLB Disab
106. nge the network address The factory default setting is 0 Remote Configuration This option sets up the DSU IV ESP to accept or reject remote configuration commands The factory default setting is ENABLED Network Type Select the appropriate network type The choices are DEDICATED AT amp T MCI SW56 and US SPRINT SW56 The factory default setting is DEDICATED Clock Source The CLOCK SOURCE option specifies the timing source for the DSU IV ESP s internal circuitry The factory default setting is FROM NETWORK When operating on a DDS network the timing should be FROM NETWORK On a point to point private network one DSU IV ESP must be set for MASTER the other set for FROM NETWORK When the DSU IV ESP is set to the Master Clock source it will default to its internal oscillators as the clock reference To enable the External DTE Port as the reference clock for the circuit see Chapter 7 Configuring DTE Options on page 7 1 regarding the transmit clock options 6 4 DSU IV ESP User Manual 61204011L1 1 chapter Configuring DIE Options DTE OPTIONS The DTE OPTIONS menu is used to select the configuration parameters that control the operation of the DTE Interface of the DSU IV ESP The DTE OPTIONS menu tree is shown in Figure 7 1 on page 7 2 The AT commands and their available options are shown in Table 7 1 on page 7 3 61204011L1 1 DSU IV ESP User Manual 7 1 Chapter 7 Configuring DTE Options 1 Local Config 2
107. nnection on test menu 13 19 DBU status not installed 14 2 DDS operation 1 3 DDS tail circuit E 1 dial back up application 4 4 dial backup ISDN 9 3 operation during critical times 4 5 operation during non critical times 4 6 operation 1 5 returning to DDS circuit 4 7 standard options 9 6 weekend and time of day lockout 4 6 dial backup mode criteria for entering 9 6 current status messages 14 2 dial backup options 4 wire switched 56 card 1 6 for ISDN card 9 11 for S4W card 9 8 for V 34 card 9 9 ISDN card 1 6 V 34 card 1 6 dial backup options 9 4 dial backup service 14 2 dial directory configuration C 7 dial options activating dial functions 12 1 DSU IV ESP User Manual Index 1 Index dial options menu 9 1 dial SW56 C 11 DSU configuration C 6 DSU operation and network status 14 4 DTE and Loop tests 13 10 DTE command option 7 6 DTE controls leads and status 14 5 DTE interface options 7 1 DTE rate 7 5 DTE with test pattern test 13 13 E EIA LLB option 8 3 EIA RLB option 8 3 EIA 232 connector 3 10 EIA 232 crossover cable E 3 EIA 232 interface 1 2 equipment provided in shipment 2 1 equipment shipped with DBU card 2 2 ESP dial backup options 1 6 ESP option card menu C 12 F FCC radio frequency interference viii FCC regulations vii features of DSU IV ESP 1 1 front panel description of 3 5 descriptions of items on 3 5 LEDS and descriptions 3 7 menu navigation 3 4
108. nual B 3 Appendix B AT Commands Table B 2 DTE Options AT Commands Continued Front Panel AT Command Description CS Options 1 Forced On amp RO CS always on 2 Follows RS amp R1 CS state same as RS state 3 Follows CD amp R2 CS state same as CD state 4 Follows RS CD amp R3 CS state same as RS and CD state 5 Off with LOCD amp R4 Off 5 seconds after LOCD SW56 only For FOLLows RS options select the length of the delay 1 CS delay short _DO Short delay from RS to CS selected 2 CS delay long _D1 Long delay from RS to CS selected Anti Stream 1 Timer Off amp TO Anti stream timer disabled 2 Time 10 Sec amp T1 Timeout equals 10 seconds 3 Time 30 Sec amp T2 Timeout equals 30 seconds 4 Time 60 Sec amp T3 Timeout equals 60 seconds CD Options 1 Forced On SACH On all the time 2 Normal AC On only when data present on loop 3 Off with LOCD amp C2 On except after disconnect SW56 only TR Options 1 Ignored amp DO Ignore the TR input 2 Idle when off amp D2 See the note at the end of this table 3 Off gt On dial 1 amp D3 Dial Stored 1 TR goes off to on SW 56 only 4 Off gt On dial 2 amp D4 Dial Stored 2 TR goes off to on SW 56 only 5 No DBU if Off amp D3 No dial backup if TR is off valid only when DBU ESP card is installed and Net work Type is set to Dedicated B 4 DSU IV ES
109. ock cursor signifies movement from field to field When this cursor is active pressing the up arrow key deletes the current entry of that field NOTE Pressing the down arrow key advances the cursor to the next field An underscore cursor signifies letter entry When active pressing the up and down arrow keys scrolls the alphabet 10 6 DSU IV ESP User Manual 61204011L1 1 Chapter 11 61204011L1 1 Configuring Unit Utilities The UTILITIES menu is used to enter manual commands set and view the time and date and view the software version LAN MAC address and the unit serial number See Figure 11 1 on page 11 2 for the UTILITIES menu tree AT commands are not available for this menu DSU IV ESP User Manual 11 1 Chapter 11 Configuring Unit Utilities 1 Network Opt 1 Manual Command Command 00 Command HH 2 DTE Options Value 00 1 Local 3 Test Options 4 Dial Options 2 Time Date 1 Current 1 Time 23 01 59 5 Management 2 Date 08 15 01 Config 6 Utilities 2 Remote Enter 2 Set Time 1 Set Hours Address 2 Set Minutes 3 Set Seconds 3 Set Date 1 Set Month 2 Set Day 3 Set Year 3 Software Rev Version Chksum Rev X XXXX 4 LAN MAC Addr 5 Serial Number Figure 11 1 Utilities Menu Tree 11 2 DSU IV ESP User Manual 61204011L1 1 Chapter 11 Configuring Unit Utilities Manual Command The MANUAL COMMAND option is a shortcut method for enterin
110. olves REQUEST TO SEND RS then the delay from RS to CS must be selected Table 7 1 on page 7 3 shows the AT Commands used to set the CS options Specified times for the short and long delays at the different operating speeds are shown in Table 7 3 Table 7 3 Short amp Long Delays at Different Operating Speeds Rate Short Delay Long Delay 64 1 1 ms 16 1 ms 56 1 1 ms 16 1 ms 19 2 1 5 ms 16 5 ms 4 8 1 5ms 16 5 ms 2 4 1 5ms 16 5 ms DSU IV ESP User Manual 61204011L1 1 Chapter 7 Configuring DTE Options Anti Stream The ANTI STREAM option is used to select the anti stream timeout The anti stream timeout is the maximum time the DSU IV ESP transmits data into the network from the DTE This feature prevents one DTE device on a multi drop network from continuously tying up the transmit circuit back to the master DSU The anti stream timer is reset to zero when RS changes to the active state and is updated every second while RS is active When the anti stream timeout expires the DSU IV ESP stops transmitting DTE data into the network but continues to accept data from it This condition exists until the DTE deactivates the RS input The factory default setting is TIMER OFF Table 7 1 on page 7 3 shows the available options and their AT commands CD Options The CD OPTIONS menu is used to select the control mode for the receive line signal detector CD lead The default factory setting is NORMAL Table 7 1 on page 7
111. ommand processor This allows a remote DSU IV ESP to be configured from a synchronous interface The format of this command follows CNR REMOTE PASSWORD AT ONE OR MORE AT COMMANDS The remote password may or may not be required depending on the present configuration of the remote unit Responses to the CNR commands are returned in the data format currently configured Possible responses include VAL and INVAn DSU IV ESP User Manual 61204011L1 1 chapters Configuring Network Options NETWORK OPTIONS The NETWORK OPTIONS configuration parameters control the loop operation of the DSU IV ESP Once a parameter is set COMMAND ACCEPTED is displayed briefly before returning to the active menu Table 6 1 on page 6 3 shows the AT commands used to set the Network Options See Figure 6 1 on page 6 2 for the NETWORK OPTIONS menu tree 61204011L1 1 DSU IV ESP User Manual 6 1 Chapter 6 Configuring Network Options 1 LOCAL 1 NETWORK OPT 1 LOOP RATE 1 AUTO 2 2 4K CONFIG 2 REMO TE ENTER ADDR 2 DTE OPTIONS 3 TEST OPTIONS 4 DIAL OPTIONS 6 2 5 MANAGEMENT 6 UTILITIES 2 NETWORK ADDR 3 4 8K 4 9 6K 5 19 2K 6 38 4K 7 6K 8 64K ENTER NETWORK ADDRESS 3 REMOTE CONFIG 1 DISABLED 2 ENABLED 4 NETWORK TYPE 1 DEDICATED 5 CLOCK SOURCE 2 AT amp T MCI SW56 3 US SPRINT SW56 1 MASTER 2 FROM NETW
112. ons on page 9 1 for more information 4 6 DSU IV ESP User Manual 61204011L1 1 Chapter 4 Applications Conditions for Returning to the DDS Circuit The DSU IV ESP can be configured to automatically revert to the DDS circuit from the dial backup mode or wait to be returned to the DDS manually Once the DSU IV ESP enters dial backup mode the unit polls the DDS circuit once every 100 ms to determine if the condition causing the DDS circuit failure has been corrected Once the DSU IV ESP determines that the problem has been properly corrected and the DDS circuit is stable it will wait for the amount of time specified in the restore timer 1 to 255 minutes before reverting to the DDS circuit Polling of the DDS circuit is non intrusive and return to the DDS circuit generally takes 2 to 3 seconds The backup connection is maintained for one minute after the DDS circuit is restored NOTE See Chapter 9 Configuring Dial Options on page 9 1 for more detailed information 61204011L1 1 DSU IV ESP User Manual 4 7 Chapter 4 Applications 4 8 DSU IV ESP User Manual 61204011L1 1 Chapter 5 Configuration Overview The DSU IV ESP contains four different user profiles sets of configuration options stored in read only memory see Configuration Profiles on page D 1 The unit is shipped from the factory with profile number 1 default configuration loaded into the current nonvolatile configuration memory If profile 1 matches requ
113. oopbacks e User Local DTE and loop remote V 54 e Test Patterns 2047 511 DDS stress patterns 1 4 Line Requirements Loop transmission parameters as defined in e AT amp T PUB 62310 Dedicated DDS e AT amp T PUB 4146B Switched 56 e Sprint TS 0046 Switched 56 DSU IV ESP User Manual 61204011L1 1 Appendix F Specifications Summary Line Interface RJ 485 4 wire full duplex Receiver Sensitivity 45 dB at all rates Agency Approvals UL 1950 C U L 1950 FCC Part 15 Class A FCC Part 68 CS03 Environment Operating Temperature 0 to 50 C 32 to 122 F Storage Temperature 20 to 70 C 4 to 158 OF Relative Humidity Up to 95 non condensing Hardware Specifications 61204011L1 1 Dimensions 2 4 H 8 0 W 10 4 D Weight 4 5 lbs Power 115 Vac 60 Hz 75 mA max 8 6 watts MTBE 337 924 hours CLEI DDS3PKCAAA DSU IV ESP User Manual F 3 Appendix F Specifications Summary F 4 DSU IV ESP User Manual 61204011L1 1 Appendix Acronyms Abbreviations ACK pics cccsiccscssencs acknowledgment AEM E alarm ANSI sicisssccccdeate American National Standards Institute AR nos access rate ARP osiers address resolution protocol DOT asynchronous BECN scari backward explicit congestion notification BOP cscssseseeees bit oriented protocol CCETT pisi Consultive Committee for International Telephony and Telegraphy ED sissccecessscaccseses carrier detect CIR siusis committed information rate
114. operation view and edit the TRAP COMMUNITY string The DSU IV ESP sends this string in SNMP trap messages to the network manager The default value is dsuiv If using front panel entry see the section Entering Letters Using The Front Panel on page 10 6 for more information SNMP Traps Specify which traps the DSU IV ESP will send to the network manager When enabled the DSU IV ESP sends SNMP traps to network managers for alarm conditions The options are DISABLE GENERIC ONLY and ENABLE ALL The GENERIC ONLY option enables the Generic Standard traps specified in the SNMP standard RFC 1157 The ALL option sends both Generic Standard traps and the enterprise specific traps specified in the ADTRAN DSU IV ESP MIB Trap IP Address Enter up to five IP addresses of the SNMP managers to which the DSU IV ESP should send traps DSU IV ESP User Manual 61204011L1 1 Chapter 10 Management Functions System Name Contact and Location These data fields are general information strings defined in MIB II standard RFC 1213 which can be stored by the user and retrieved by the SNMP management station If using front panel entry see the section Entering Letters Using The Front Panel on page 10 6 for more information Authentication Traps Enable disable the DSU IV ESP to send SNMP authentication traps to the SNMP management station If enabled the DSU IV ESP sends these traps when an SNMP request with an invalid community name string is rec
115. operative In a private network this may indicate that the transmitter of the remote DSU is inoperative All 1s or all 0s Condition This condition is usually generated by the network to indicate some device or devices in the network is inoperative Upon detecting an all 1s or all Os condition the DSU IV ESP initiates a handshake routine to determine whether the remote unit s DTE is the source of the all 1s or Os condition or if an actual network failure exists DSU IV ESP User Manual 4 5 Chapter 4 Applications Answer Always When this option is enabled the unit goes into DBU mode if a call is present regardless of the status of the dedicated circuit It is recommended that the DBU Passcode be used in this mode since inadvertent calls could stop data flow indefinitely NOTE The DBU Answer Test is disabled if this option is chosen Operation During Noncritical Times The DSU IV ESP may be configured not to enter dial backup mode if data terminal ready DTR is low This feature prevents the DSU IV ESP from entering dial backup during noncritical times such as nights and weekends For more information see Configuring Dial Options on page 9 1 Weekend and Time of Day Lockout The DSU IV ESP may be configured not to enter dial backup mode based upon the time of day or weekend status This protects the customer from being charged for a switched call during off hours should the dedicated circuit fail See Configuring Dial Opti
116. or SAW Cardiaca a tada a Aia 9 8 Network A E Ee 9 8 DBU Options for e EE 9 9 Eeer AA O EE 9 10 ElGWiGOnitrol 33 0 ee ee ENEE 9 10 COMPLOSSLOMN EE 9 10 xviii DSU IV ESP User Manual 61204011L1 1 Table of Contents DBU Options for ISDN Card cinc titi 9 11 WIECH Typen sn in iaa 9 11 RIETS EE 9 11 Chapter 10 Management Functions Configuring Management Functions ENEE 10 1 OA ii tl 10 3 Contrata AE 10 3 TROP HONS ce neat TAO 10 3 Subnet Mask trat otitis dee BEE 10 3 Gateway JE let ctm desse 10 3 IP Security sez facia cites dai AAA te tae EE 10 3 EP Filter Addres EE 10 3 SNMP Options ida Min GB alii It ae eas 10 4 Get Community ees res See 10 4 Set COMMUNI oie eed erin N 10 4 Trap COMMUMItY ENEE 10 4 SNMP Trape ess oaee a a AE ae dlls 10 4 Trap P Address tato A ot 10 4 System Name Contact and Location EE 10 5 Authentication LAPSO ad 10 5 Telnet Oposisi oense e era aa Ear a ae a a 10 5 Tele Pass WO E TE A SEE 10 5 TEC TICO A r EEN AG 10 5 Entering Letters Using The Front Panel EEN 10 6 Chapter 11 Configuring Unit Utilities Manual COMA Nai A AA AA dere 11 3 Lime Dated e EE 11 5 Software REVISION sl a oa ae 115 LAN MACAU ee aN 11 5 Serial NDA a Cavite ieee 11 5 Chapter 12 Activating Dial Functions Pial QP tO E 12 1 Answer Unit Connected to DDS Line ocooccccnnnnoncnonnconnn nnoconaconnanonncnnncronncnnnccn nos 12 2 Dial Ba Cup omic ea oa E sheeted 122 Originate Unit Connected to DDS Line cooccocc
117. otocol A control and reporting scheme widely used to manage devices from different vendors SNMP operates on top of the Internet protocol SPID service profile IDentifier A sequence of digits identifying ISDN terminal equip ment to the ISDN switch when more than one ISDN set has been attached to the same central office The SPID is assigned by the telco when the ISDN line is installed and normally resembles a phone number SR data set ready A signal on the EIA 232 interface that indicates if the communica tions is connected and ready to start handshaking control signals so communica tions can begin H 8 DSU IV ESP User Manual 61204011L1 1 Appendix H Glossary statistical multiplexing Interleaving the data input of two or more devices on a single channel or access line for transmission through a frame relay network Interleaving of data is accomplished using the DLCI switched network The network of dial up telephone lines using circuit switching to provide com munications services to network users synchronous Communications in which the timing is achieved by sharing a single clock Each end of the transmission synchronizes itself with the use of clocks and informa tion sent along with the transmitted data synchronous data link control SDLC A link level communications protocol used in an international business machines IBM systems Network Architecture SNA network that manages synchronous code transparent serial in
118. pes and software proto cols e AT amp T 5ESS Custom 5E6 and later software National ISDN 1 e NT DMS 100 BCS 32 and later software Pvc1 National ISDN 1 Pvc2 e Siemens EOSD National ISDN 1 Request that the ISDN line allocate one DYNAMIC Terminal Endpoint Identifier TEI for the number For service offered from an AT amp T 5ESS request a point to point line with the fol lowing features e Feature Value e B1 Service On Demand DMD e Data Line Class Point to Point e Maximum B Channels 1 1B D e Circuit Switched Data CSD Bearer Channels Any e Number of CSD Calls 1 1B D e Terminal Type Type A Turn the Following Features Off Packet Mode Data Multi line Hunt Multiple Call Appearances Electronic Key Telephone Sets EKTS Shared Dictionary Numbers Accept Special Type of Number Intercom Groups Network Resource Selector Modem Pools Message Waiting Hunting InterLata Competition For Service offered from a Northern Telecom DMS 100 request a Point to Point Multi Point line with the following features Line Type Basic Rate Functional Electronic Key Telephone Sets EKTS No Call Appearance Handling CACH No Non Initializing Terminal No Circuit Switched Service Yes Packet Switched Service No TEL Dynamic Bearer Service Circuit Switched voice and data permitted on any B channel packet mode data not permitted xi Limited Product Warranty ADTRAN warrants that for five 5 years
119. port just as modems are To exit the data mode and enter the command mode the asynchronous DTE device must transmit a proper escape sequence of three pluses to the DSU IV ESP A specified time delay must occur between the last data character and the first escape sequence character This is the guard time delay and it can be changed by writing a value to the S12 register The default value for the guard time is one second For a valid escape sequence to occur the DTE must transmit the escape code character three times in succession with delay between each character being less than the guard time Once the command mode is entered AT commands can be transmitted to the DSU IV ESP to configure most of the options or initiate tests to check both the DSU IV ESP and the network connections All command lines must begin with the AT character set in either capital or lower case letters The command line may contain a single command or a series of commands after the AT attention code When a series of commands is used the individual commands may be separated with spaces for readability The maximum length for a command line is 40 characters Each command line is executed by the DSU IV ESP upon receipt of a terminating character The default terminating character is a carriage return ASCII 013 but it can be changed by writing a different value to register S3 Before the terminating character is transmitted the command line can be edited by
120. ption is used to specify which of the primary channel connectors is used to connect to the DTE The factory default setting is V 35 There are no AT commands available to set the connector type Data Format The DATA FORMAT option is used to select either the synchronous or asynchronous mode of operation for the DTE interface The factory default setting is SYNCHRONOUS If ASYNCHRONOUS is chosen the length of the data bytes must be selected Table 7 1 on page 7 3 shows the AT commands that can be used to set the Data Format to asynchronous or synchronous DTE Command Option The DTE COMMAND option is used to enable a DTE command mode or disable all modes The available modes are AT V 25 synchronous and V 25 bisynchronous asynchronous commands See Table 7 1 on page 7 3 7 6 DSU IV ESP User Manual 61204011L1 1 Chapter 7 Configuring DTE Options Transmit Clock 1 LOCAL The TRANSMIT CLOCK option is used to select the source of the clock used to transfer data from the DTE into the DSU IV ESP Table 7 1 on page 7 3 shows the AT commands used to set the TRANSMIT CLOCK options Figure 7 2 shows the menu path used to set the Transmit Clock option The factory default is NORMAL 1 NETWORK OPT o JI DTERATE 2 DTE OPTIONS 2 C ONNECTOR TYPE 3 DATA FORMAT 3 CONFIG 4 DTE CMD OPTION 1 NORMAL 5 TRANSMIT CLOCK 2 EXTERNAL 6 CS OPTIONS 7 ANTI STREAM 2 REMOTE ENTER ADDRESS 3 TEST OPTIONS
121. r current status on or off displayed below The leads are identified as follows TR Data terminal ready SR Data set ready LLB Local loopback RLB Remote loopback 61204011L1 1 DSU IV ESP User Manual 14 5 Chapter 14 Viewing Status Information 14 6 DSU IV ESP User Manual 61204011L1 1 Appendix A 61204011L1 1 Pinouts The following tables give the pin assignments for the connectors located on the back of the DSU IV ESP the DBU cards and ESP ethernet card For more information on the connectors see Chapter 2 Installation on page 2 1 DSU IV ESP User Manual Appendix A Pinouts Table A 1 Pin Assignments for Telco Connector Pin DDS Loops Description 1 R1 Transmit Data from DSU to Network Ring 1 2 T1 Transmit Data from DSU to Network Tip 1 3 N A 4 N A 5 N A 6 N A 7 T Receive Data from Network to DSU Tip 8 R Receive Data from Network to DSU Ring Table A 2 Pin Assignments for ESP DBU Card Connectors Pin Name Description 4 Wire Switched 56 1 R1 Transmit Data from DSU to Network Ring 1 l2 T1 Transmit Data from DSU to Network Tip1 3 6 Not Used I7 T Receive Data from Network to DSU Tip 8 R Receive Data from Network to DSU Ring V 34 and 1 B DISDN gt gt gt 1 3 Not Used 4 T Network Tip 5 R Network Ring 6 8 5 Not Used A 2 DSU IV ESP User Manual 61204011L1 1 Appendix A Pinouts Table A 3 Pi
122. rator Gateway IP Address Enter the GATEWAY NODE IP ADDRESS in dotted decimal notation This address is necessary only if the DSU IV ESP and network manager are connected through a Gateway node If an IP packet with an unknown IP address is received the DSU IV ESP sends it to the Gateway IP Security Enable disable the IP SECURITY option If enabled the DSU IV ESP only accepts management commands from the IP addresses up to 5 entered into the IP FILTER ADDRESS field IP Filter Address Enter the IP addresses of the management stations from which the DSU IV ESP should accept management commands This filter must be enabled though the IP Security field 61204011L1 1 DSU IV ESP User Manual 10 3 Chapter 10 Management Functions SNMP Options 10 4 The following options must be configured when SNMP management is used Get Community For SNMP operation view and edit the GET COMMUNITY string The DSU IV ESP uses this string to validate SNMP Get read requests The default value is public If using front panel entry see the section Entering Letters Using The Front Panel on page 10 6 for more information Set Community For SNMP operation view and edit the SET COMMUNITY string The DSU IV ESP uses this string to validate SNMP Set write requests The default value is private If using front panel entry see the section Entering Letters Using The Front Panel on page 10 6 for more information Trap Community For SNMP
123. rface 04DU5 24 6 0F RJ 48S 4 8 kbps Digital Interface 04DU5 48 6 0F RJ 48S 9 6 kbps Digital Interface 04DU5 96 6 0F RJ 48S 19 2 kbps Digital Interface 04DU5 19 6 0F RJ 48S 38 4 kbps Digital Interface 04DU5 38 6 0F RJ 48S 56 kbps Digital Interface 04DU5 56 6 0F RJ 48S 64 kbps Digital Interface 04DU5 64 6 0F RJ 48S 3 An FCC compliant telephone cord with a modular plug may be provided with this equipment This equipment is designed to be connected to the telephone net work or premises wiring using a compatible modular jack which is FCC Part 68 compliant See installation instructions for details 4 If this equipment causes harm to the telephone network the telephone company may temporarily discontinue service If possible advance notification is given otherwise notification is given as soon as possible The telephone company will advise the customer of the right to file a complaint with the FCC 5 The telephone company may make changes in its facilities equipment operations or procedures that could affect the proper operation of this equipment If this hap pens the telephone company will provide advance notification and the opportunity to make the necessary modifications to maintain uninterrupted service 6 Ifexperiencing difficulty with this equipment please contact ADTRAN for repair and warranty information If the equipment is causing harm to the network the telephone company may request this equipment to be disconnected from the net
124. se provided by the customer or authorized representative using training materials and instructions provided by the manufacturer grantee of the equipment used to encode analog signals or IC An independent training course e g trade school or technical institution rec ognized by the manufacturer grantee of the equipment used to encode analog sig nals or D In lieu of the proceeding training requirements the operator s maintainer S is are under the control of a supervisor trained in accordance with circle one above I agree to provide telco s name with proper documentation to demonstrate compliance with the information in the preceding paragraph if so requested Signature Title Date Subscribed and sworn to before me This day of 20 Notary Public My commission expires vi FCC regulations require that the following information be provided in this man ual 1 This equipment complies with Part 68 of the FCC rules On the bottom of the equipment housing is a label that shows the FCC registration number and Ringer Equivalence Number REN for this equipment if applicable If required this information must be given to the telephone company 2 The following information may be required when applying to the local telephone company for leased line facilities Service Digital Facility Service Order Network Type Interface Code Code Jacks 2 4 kbps Digital Inte
125. sing equipment standard enti tled Digital Apparatus ICES 003 of the Department of Communications Cet appareil nuerique respecte les limites de bruits radioelectriques applicables aux appareils numeriques de Class A prescrites dans la norme sur le materiel brouilleur Appareils Numeriques NMB 003 edictee par le ministre des Communications viii Canadian Equipment Limitations Notice The Canadian Industry and Science Canada label identifies certified equip ment This certification means that the equipment meets certain telecommunications network protective operational and safety requirements The Department does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissible to be con nected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable methods of connection In some cases the com pany s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord The customer should be aware that compliance with the above limitations may not prevent degra dation of service in some situations Repairs to certified equipment should be made by an authorized Canadian mainte nance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions m
126. sover cable wiring ADTRAN DSU CSU units will operate in this configuration ADTRAN does not recommend the tail circuit mode due to the potential for clock slippage and data loss when using this configuration Moreover CAUTION further problems can occur when each DDS circuit is using a different master clock source and will require additional hardware called a tail cir cuit buffer to reduce the risk of data overruns and clock slips 61204011L1 1 DSU IV ESP User Manual E 1 Appendix E DSU to DSU Tail Circuit DTE OTE DDS DDS Siem osu Va NETWORK Posy gt NETWORK l Tail circuit crossover cable i l l I Figure E 1 DDS Tail Circuit E 2 DSU IV ESP User Manual 61204011L1 1 Appendix E DSU to DSU Tail Circuit An EIA 232 DB 25 DSU tail circuit cable diagram for a DSU tail circuit application is shown in Figure E 2 P1 Pin Pin P2 Chassis Ground 1 1 Chassis Ground TXD 2 2 TXD axol3Ll XO 3 RX RTS 4 4 RTS CTS 5 5 ICTS DSR 6 6 DSR Signal Ground 7 7 Signal Ground CD RLSD 8 8 CD RLSD 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 RC SCR 17 17 RC SCR 18 18 19 19 DTR 20 20 DTR 21 21 22 22 23 23 ETC SCR 24 24 ETC SCR 25 25 61204011L1 1 Figure E 2 Standard ElA 232 D Crossover Cable DSU IV ESP User Manual E 3 Appendix E DSU to DSU Tail Circuit E 4 DSU IV ESP User Manual 61204011L1 1 Appendix F 61204011L1 1 Specifications Sum
127. ssing the corresponding number followed by Enter Figure 13 2 shows the menu path for initiating a local DTE and Loop test 2 Test 1 DTE amp Loop LL 2 Loop Only RT 3 DTE Only 4 DTE with TP 1 Local Unit 5 Test Pattern 2 Remote Unit 6 Self Test 3 DBU Connection Figure 13 2 Initiating a Test Once a test is initiated PLEASE WAIT is displayed briefly followed by the status screen 13 2 DSU IV ESP User Manual 61204011L1 1 Chapter 13 Testing and Troubleshooting Test Status Display The TEST STATUS display appears automatically during a test The TEST STATUS display is similar to the status screen described in Chapter 14 Viewing Status Information on page 14 1 with additional prompts for the type of test and the number of errors for tests with a test pattern Figure 13 3 shows an example of a TEST STATUS display for a test with a test pattern When this menu is on the Test Pattern gt display TST ERR 00 Press 1 to clear errors Press 2 to inject an error Loop 56K DYE Sok Sync Use the up and down arrows to display other status screens TR SR LLB RLB Off Off Off Off Unit in Test Loop is Normal Figure 13 3 Sample Test Status Displays Exiting a Test 61204011L1 1 During a test press Quick to access the EXIT TEST DISPLAY STATUS menu or press Cancel to return to the Main menu The EXIT TEST DISPLAY STATUS menu provides the fol
128. stallation on page 2 1 for information on installing DBU cards All DBU cards are compatible with other ADTRAN ESP products supporting DBU see the following note The three backup options are described in the following sections Contact the local telco provider to determine which services are available in your area See Applications on page 4 1 for more information including an example of a dial backup application NOTE Although the ESP V 34 DBU P N 1204002L2 is compatible with the DSUIV ESP it is not compatible with the TSU ESP P N 1200169L1 61204011L1 1 DSU IV ESP User Manual 1 5 Chapter 1 Introduction ESP Dial Backup Options 4 Wire Switched 56 Card The dial up 4 wire SW56 DBU card P N 1204001L1 allows customers to pay for actual usage of the data connection when the unit is active The regional operating companies provide 4 wire local loop service to SW56 customers This card supports DTE rates of 2 4 4 8 9 6 19 2 38 4 asynchronous or synchronous and 56 kbps synchronous An additional DTE rate of 57 6 kbps is available in async modes V 34 Card The V 34 DBU card P N 1204002L2 supports V 32 bis modem modes of operation V 34 and V FC modes The V 34 option runs synchronous rates up to 33 6 kbps and the V 32 operates up to 14 4 kbps Asynchronous mode provides the throughput of 57 6 kbps and is less dependent on data types ISDN Card The 1B D Basic Rate ISDN DBU card P N 1204004L1 provides
129. t Functions on page 10 1 and Configuring Unit Utilities on page 11 1 Dial DIAL provides manual dial backup or SW56 dial functions For more information see Activating Dial Functions on page 12 1 NOTE The Dial selection in the Main menu is only available when a SW56 network type is selected or when a DBU card is installed in the rear of the DSU IV ESP 3 2 DSU IV ESP User Manual 61204011L1 1 Chapter 3 Operation Basic Menu Travel 61204011L1 1 Four function keys on the left side of the DSU IV ESP keypad allow the various menu branches to be entered exited and scrolled through The four function keys are defined below Enter Selects a displayed item Up Arrow Scrolls up the submenu items Down Arrow Scrolls down the submenu items Cancel Exits back one level from the current branch of the menu To choose a menu item press the corresponding number or alpha character on the keypad press Shift to activate alpha characters The item flashes on and off to show it is the currently selected active choice Press the up or down arrow keys to scroll through the available menu items Press Enter to select the flashing item DSU IV ESP User Manual 3 3 Chapter 3 Operation Front Panel Menu Navigation Perform the following steps to select the DSU IV ESP menu options See the menu tree in Figure 3 2 Step Action 1 Press 3 to activate CONFIGURATION CONFIG When the activated menu item f
130. t any time and is recommended if there is any question about the DSU s health Test Purpose The purpose of this test it to determine if the DSU is functioning properly Interpreting Test Results Once SELF TEST is activated the LEDs cycle on and off as the system runs the self test A pass or fail status will be displayed on the LCD along with a checksum indicating the current firmware revision 13 16 DSU IV ESP User Manual 61204011L1 1 Chapter 13 Testing and Troubleshooting REMOTE UNIT DIAGNOSTICS A remote DSU IV ESP can perform seven different tests seeTable 13 5 Table 13 5 Remote Tests and AT Commands Front Panel AT Description Command 1 2047 Pattern _TO amp T7 Standard 2047 random data pattern 2 511 Pattern _T1 amp T7 Standard 511 random data pattern 3 Stress Pattern 1 _T2 amp T7 DDS stress pattern 1 4 Stress Pattern 2 T38T7 DDS stress pattern 2 5 Stress Pattern 3 _T4 amp T7 DDS stress pattern 3 6 Stress Pattern 4 _T5 amp T7 DDS stress pattern 4 7 Data from DTE amp T6 Data from DTE The REMOTE UNIT submenu allows a remotely installed DSU to be placed into loopback There are six test patterns to choose from or DATA FROM THE DTE may be selected See Figure 13 10 Error Test Pattern Inject gt _Generator REMOTE DIE DSU CSU x TF DTE Tx L NET Tx L i NET Tx i Z NET Rx DTE Rx Rx DTE Rx N ET Rx ra Y Error Lei Test Patt
131. ta from the interface device encapsulation A process by which an interface device places an end device s protocol specific frames inside a frame rely frame The network accepts only frames formatted specifically for frame relay therefore interface devices acting as interfaces to a frame relay network must perform encapsulation See also interface device and frame relay capable interface device file server In the context of frame relay network supporting LAN to LAN communications a device connecting a series of workstations within a given LAN The device per forms error recover and flow control functions as well as end to end acknowl edgment of data during data transfer thereby significantly reducing overhead within the frame relay network H 4 DSU IV ESP User Manual 61204011L1 1 Appendix H Glossary forward explicit congestion notification FECN A bit set by a frame relay network to notify an interface device DTE that con gestion avoidance procedures should be initiated by the receiving device See also BECN frame check sequence FCS The standard 16 bit cyclic redundancy check used for HDLC and frame relay frames The FCS detects bit errors occurring in the bits of the frame between the opening flag and the FCS and is only effective in detecting errors in frames no larger than 4096 octets See also cyclic redundancy check CRC frame relay capable interface device A communications device that performs encapsulation Frame
132. the local DSU IV ESP into a BERT tester for the purpose of testing the DDS circuit If this test is used the remote DSU CSU must be in loopback or transmitting a test pattern Figure 13 9 illustrates the data paths for this mode LOCAL REMOTE DSU CSU DSU CSU Error Test Pattern Error Test Pattern Inject L_Generator Inject L_Generator DTE Tx L NET Tx NET TX DTE Tx DTE Rx N ET Rx N ET Rx DTE Rx Y Y Error Test Pattern Error H Test Pattern Clear Detector Clear Detector Figure 13 9 Test Pattern Only Test Purpose Testing using a test pattern is used for the following purposes e Transmits user selected test pattern using an internal test pattern generator and compares the received data using internal test pattern detector to detect if there are any errors on the DDS circuit e Injects errors and verifies the unit transmits data across the communication circuit to the remote unit e Helps determine from which direction the circuit is receiving errors Interpreting Test Results If the unit is functioning properly the test error count should be 0 61204011L1 1 DSU IV ESP User Manual 13 15 Chapter 13 Testing and Troubleshooting Self Test The SELF TEST verifies current operation of the DSU IV ESP It can be performed a
133. the service is immediately available for use Incoming Call Incoming call messages being received In Dial Backup The DSU IV ESP is currently in dial backup mode No RX Signal Sealing current detected but no data signal received from telco Also indicates ISDN line is inactive No Wink from CO Switched 56 provider encountered a service problem 4 wire SW56 only Not Installed No dial backup option installed in the DSU IV ESP OOS OOF From Net Out of service signal or out of frame condition exists The call cannot be completed because the called terminal or the called terminal s access line is out of service or is faulty 4 wire SW56 only Open Loop The physical connection to the backup line has been broken 4 wire SW56 only DBU Line in RDL Remote end initiated a test Test From Telco The network provider has activated the CSU loopback 4 wire SW56 only DSU IV ESP User Manual 14 3 Chapter 14 Viewing Status Information DBU Test Pattern The DSU IV ESP is currently performing a test with a pattern Waiting for Call The originating DSU IV ESP is waiting on a call from the remote end Inactive A DBU card is installed but the DSU IV ESP is set to SW56 mode Getting TEI The ISU card is getting its first terminal endpoint identifier from the network Register SPID The ISU card is registering its first SPID with the network DSU Operation and Network Status 14 4 Current DSU IV ESP St
134. then loops the receive data of each interface back to its respective transmit data The DTE amp LOOP test provides a bidirectional loopback at the DSU CSU Figure 13 5 illustrates the loopback points and the signal paths for this test DTE TX Rx Test Purpose LOCAL DSU CSU DTE Tx DTE Rx Hi N ET Tx N ET Rx Figure 13 5 DTE amp Loop Test The DTE amp LOOP test is used for the following purposes Interpreting Test Results Verify integrity of the DTE interface and cable Provide a loopback for network tests A BERT tester must be used to interpret the test results of a DTE amp Loop test 13 10 DSU IV ESP User Manual 61204011L1 1 Chapter 13 Testing and Troubleshooting Loop Only RT The LooP ONLY RT test allows the loop interface and a major portion of the DTE interface for the local DSU IV ESP to be tested from the remote site over the actual communication circuit Figure 13 6 illustrates the loopback point and the signal paths for this test LOCAL DSU CSU DTE Tx DTE EE EE E Interface DTE Rx NETRX La Figure 13 6 Loop Only Test Test Purpose The LOOP ONLY test is used to provide a loopback for network tests Interpreting Test Results The LOOP ONLY test is used for the purpose of looping the DDS circuit back to the telco No test results are available from the
135. tilities 2 Remote Enter Addr 2 RDL EN DIS 2 RDL Accepted 3 ElA LLB EN DIS 1 Disabled 2 Enabled 4 ElA RLB EN DIS 1 Disabled 2 Enabled 5 DBU Answer Test 1 Disabled 2 Enabled Figure 8 1 Test Options Menu Tree 61204011L1 1 DSU IV ESP User Manual 8 1 Chapter 8 Configuring Test Options Table 8 1 Test Options AT Commands Froni eu Description Panel Command Test Timeout Enter Timeout S18 x Specify 0 to 255 second test timeout RDL Enable Disable 1 RDL Ignored amp T5 RDL request from remote DSU ignored 2 RDL Accepted amp T4 RDL request accepted EIA LLB Enable Disable 1 Disabled _AO No response to local loopback 2 Enabled Ai Responds to local loopback EIA RLB Enable Disable 1 Disabled _RO No response to remote loopback 2 Enabled _R1 Responds to remote loopback DBU Answer Test 1 Disabled none Remote unit does not accept DBU tests from far end 2 Enabled none Remote unit accepts DBU tests from far end Test Timeout The TEST TIMEOUT option sets the length of time a DSU IV ESP remains in a test mode before automatically returning to the data mode Enter the timeout in two digit decimal value The factory default setting is OFF 0 Remote Digital Loopback RDL The RDL option specifies whether the DSU IV ESP responds to an RDL request from the far end of the circuit The factory default setting is RDL ACCEPTED 8 2 DSU IV ESP User Manual
136. trol informa tion is used for routing the packet through a network to its final destination Contrast with frame relay frame packet switching network A telecommunications network based on packet switching technology wherein a transmission channel is occupied only for the duration of the transmission of the packet Contrast with frame relay network parameter A numerical code that controls an aspect of terminal and or network operation Parameters control such aspects as page size data transmission speed and tim ing options permanent virtual circuit PVC A frame relay logical link whose endpoints and class of service are defined by network management Analogous to an X 25 permanent virtual circuit a PVC consists of the originating frame relay network element address originating data link control identifier terminating frame relay network element address and ter mination data link control identifier Originating refers to the access interface form which the PVC is initiated Terminating refers to the access interface at which the PVC stops Many data network customers require a PVC between two points Data terminating equipment with a need form continuous communion use PVCs See also data link connection identifier DLCI ping An internet protocol standard that provides loopback on demand for any device in an IP network One device pings another by sending a loopback request to the device s IP address point to point Type of
137. ts and cross connecting equipment DDS is offered on an inter LATA basis by AT amp T and on an inter LATA basis by the Bell operating compa nies data link connection identifier DLCI A unique number assigned to a PVC end point in a frame relay network Identi fies a particular PVC endpoint within a user s access channel in a frame relay network and has local significance only to that channel 61204011L1 1 DSU IV ESP User Manual H 3 Appendix H Glossary discard eligibility DE A user set bit indicating that a frame may be discarded in preference to other frames if congestion occurs to maintain the committed quality of service within the network Frames with the DE bit set are considered Be excess data DSU See data service unit DSU loopback A telco initiated test which loops the DSU back to the telco and is used to test the DDS circuit as well as the DSU CSU DTE data terminal equipment The end user terminal or computer that plugs into the termination point DCE of a communications circuit The main difference between the DCE and the DTE is that pins two and three are reversed end device The ultimate source or destination of data flowing through a frame relay net work sometimes referred to as DTE As a source device it sends data to an inter face device for encapsulation in a frame relay frame As a destination device it receives de encapsulated data De the frame relay frame is stripped off leaving only the user s da
138. ugh the menu shown in Figure C 4 After entering the address the menu in Figure C 5 appears DSU IU ESP REMOTE CONFIG OPTIONS 1 REMOTE ADDRESS 2 EXECUTE REMOTE CONFIG ENTER SELECTION gt _ Figure C 4 Remote Configuration Options OSU IU ESP CONFIGURATION MENU DIAL BACKUP DIAL DIRECTORY MANAGEMENT UTILITY ESC EXIT ENTER SELECTION gt _ Figure C 5 Main Configuration Menu DSU IV ESP User Manual C 5 Appendix C Terminal Menu Structure DSU Configuration DTE Network and Test options C 6 The chapters Configuring Network Options on page 6 1 Configuring DTE Options on page 7 1 Configuring Test Options on page 8 1 and Configuring Dial Options on page 9 1 include detailed descriptions of these parameters Figure C 6 shows the DSU Configuration menu Seman DTE OPTIONS 1 2 3 4 5 6 3 9 16 11 ESC EXIT OTE RATEC S6K 64K gt SAME AS LOOP CONNECTOR TYPE U 35 OTE DATA FORMAT SYNCHRONOUS ASYNC WORD LENGTH 16 BITS OTE CMD SET DIS TRANSMIT CLOCK NORMAL CS CONTROL FOLLOWS RS RS CS DELAY SHORT ANTI STREAM TIMER OFF CD CONTROL NORMAL TR CONTROL IGNORED SR CONTROL OFF TEST 00S SCRAMBLEC64K gt OFF NETWORK TEST COMMAND OPTIONS 14 LOOP RATE AUTO NETWORK ADDRESS NETWORK TYPE DEDICATED CLOCK SOURCE FROM NETWORK TEST TIMEOUT REMOTE TEST EN LL EIA DIS RL EIA DIS REMOTE CONFIG EN SW56 AUTO ANSWER EN
139. using the backspace character ASCII 008 to erase errors so the proper commands can be entered NOTE 61204011L1 1 Not all parameters can be selected using these commands Valid com mands are listed in Appendix B AT Commands on page B 1 DSU IV ESP User Manual 5 5 Chapter 5 Configuration Overview V 25 Bis Commands SDLC Option Bi Sync Option 5 6 When configured for the V 25 bis option the DSU IV ESP accepts in band dialing and configuration commands from both synchronous and asynchronous DTE ports The V 25 bis option supports the following protocols e SDLC e Bi Sync e Asynchronous Character Format e Data bits 8 e Parity bit Ignored Command Structure FI AI C V 25 bis COMMAND FCS F The address field A is FFH The control field C is set to 13H except for cases of multi frame responses For this case the control field is set to 03H in all but the last frame The 03H in the control field indicates that other frames are to follow while the 13H in the control field indicates the final frame Character Format e Data bits 7 e Parity bit Odd Command Structure SYN SYN STX V 25 bis COMMANDJ ETX DSU IV ESP User Manual 61204011L1 1 Chapter 5 Configuration Overview Asynchronous Option 61204011L1 1 Character Format e Start bit 1 e Data bits 7 e Parity bit Even e Stop bit 1 Command Structure V 25 bis COMMAND CRI LF Command Descriptions The ADTRAN V 25
140. work Options on page 6 1 Configuring DTE Options on page 7 1 Configuring Test Options on page 8 1 Configuring Dial Options on page 9 1 Management Functions on page 10 1 and Configuring Unit Utilities on page 11 1 A complete Configuration menu for the front panel is shown in Figure 5 1 on page 5 3 and Figure 5 2 on page 5 4 The VT 100 menu tree is shown in Terminal Menu Structure on page C 1 Due to the increased display capabilities the VT 100 menu structure dif fers from the front panel interface Appendix C Terminal Menu Struc ture on page C 1 includes the VT 100 screens as well as a complete menu tree for accessing configuration selections Descriptions of individual menu options are provided throughout this manual based on the front panel menu structure See Figure 5 1 on page 5 3 and Figure 5 2 on page 5 4 for the front panel configuration menu trees DSU IV ESP User Manual 61204011L1 1 1 Local Chapter 5 Configuration Overview Config 2 Remote Enter Addr 1 Network Opt 1 Loop Rate 1 Auto 2 2 4K 2 Network Addr 1 Enter Network 3 4 8K 2 Address 00 4 9 6K 5 19 2K 3 Remote Config 1 Disabled 6 38 4K 2 Enabled 7 56K 8 64K 4 Network Type 1 Dedicated 2 AT amp T MCI SW56 3 US Sprint SW 56 1 Master 5 Clock Source 2 From Network 2 DTE Options 1 DTE Rate 1 2 4K 2 4 8K 3 Test Options 2 Connector Type 3 9 6K 4 19 2K 5 38 4K
141. work until the problem is resolved or it is certain that the equipment is not malfunctioning 7 This unit contains no user serviceable parts 8 The FCC recommends that the AC outlet to which equipment requiring AC power is to be installed is provided with an AC surge arrester vii Federal Communications Commission Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class A dig ital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio fre quency energy and if not installed and used in accordance with the instruction man ual may cause harmful interference to radio frequencies Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Shielded cables must be used with this unit to ensure compliance with Class A FCC limits Change or modifications to this unit not expressly approved by the party re CAUTION sponsible for compliance could void the user s authority to operate the equip ment Canadian Emissions Requirements This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference cau

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