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Chapter 3. Operation

3-10

DSU IV ESP User Manual

61204011L1-1

EIA-232 and V.35 Connectors: DTE Data Connection/
Primary DTE

The primary DTE should be connected to either the EIA-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.

Control Port

The DSU IV ESP has an 8-position modular jack labeled

C

ONTROL

.

The control port provides connection to a VT 100 EIA-232
compatible interface, a device running SLIP protocol, or a device
running Async PPP protocol. An 8-foot adapter cable and
connector provide a standard DB-25 EIA-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.

To prevent possible radio frequency interference emissions, a shielded ca-
ble is required.

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Summary of Contents for DSU IV ESP

Page 1: ...nit with Embedded SNMP User Manual 61204011L1 1B May 2001 Part Number 1204011L1 1204001L1 1204002L2 1204004L1 1204005L1 Version DSU IV ESP ESP 4 wire Switched 56 DBU Card ESP V 34 DBU Card ESP ISDN DB...

Page 2: ...nview 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 901 Explorer Boulevard P O Box 1400...

Page 3: ...less type during an electrical storm There is a remote risk of shock 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 a...

Page 4: ...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 c...

Page 5: ...ion 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...

Page 6: ...___________ telco s name with proper documentation to demonstrate compliance with the information in the preceding paragraph if so requested _____________________ Signature _____________________ Title...

Page 7: ...t 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 com...

Page 8: ...n 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 Canadian Emissions Requir...

Page 9: ...ons 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...

Page 10: ...coding 1 B D Service supports up to 64 kbps The DSU IV ESP ISDN supports the following switch types and software proto cols AT T 5ESS Custom 5E6 and later software National ISDN 1 NT DMS 100 BCS 32 a...

Page 11: ...unting 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 Te...

Page 12: ...nty 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 CONSTITU...

Page 13: ...below Presales Inquiries and Applications Support Please contact your local distributor ADTRAN Applications Engineering or ADT RAN Sales Post Sale Support Please contact your local distributor first I...

Page 14: ...ce 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 over...

Page 15: ...1 3 SNMP Overview 1 4 Network Manager 1 4 Agent 1 4 MIB 1 4 Telnet 1 5 Dial Backup Operation 1 5 ESP Dial Backup Options 1 6 4 Wire Switched 56 Card 1 6 V 34 Card 1 6 ISDN Card 1 6 Chapter 2 Installa...

Page 16: ...onnectors DTE Data Connection Primary DTE 3 10 Control Port 3 10 VT 100 Terminal Connection And Operation 3 11 Chapter 4 Applications LAN Application With SNMP Telnet Management 4 1 Minimum Configurat...

Page 17: ...5 7 Character Format 5 7 Command Structure 5 7 Command Descriptions 5 7 Syntax and Possible Responses 5 8 CNL Configuration Local 5 8 CNR Configuration Remote 5 8 Chapter 6 Configuring Network Option...

Page 18: ...ocal Directory LDN Number 9 3 SW56 Auto Answer 9 4 DBU Options 9 4 Standard DBU Options 9 6 Automatic DBU 9 6 Number to Dial 9 6 Originate Answer 9 6 DBU Criteria for Entering Dial Backup Mode 9 6 Whe...

Page 19: ...Community 10 4 SNMP Traps 10 4 Trap IP Address 10 4 System Name Contact and Location 10 5 Authentication Traps 10 5 Telnet Options 10 5 Telnet Password 10 5 Telnet Timeout 10 5 Entering Letters Using...

Page 20: ...nit Diagnostics 13 8 DTE Loop LL 13 10 Test Purpose 13 10 Interpreting Test Results 13 10 Loop Only RT 13 11 Test Purpose 13 11 Interpreting Test Results 13 11 DTE Only 13 12 Test Purpose 13 12 Interp...

Page 21: ...Mode 14 2 Answering Call 14 2 Call Disconnect 14 2 Called Unit Busy 14 2 Dialing 14 3 Going to DBU 14 3 Idle 14 3 Incoming Call 14 3 In Dial Backup 14 3 No RX Signal 14 3 No Wink from CO 14 3 Not Inst...

Page 22: ...l 61204011L1 1 Appendix C Terminal Menu Structure C 1 Appendix D Configuration Profiles D 1 Appendix E DSU to DSU Tail Circuit E 1 Appendix F Specifications Summary F 1 Appendix G Acronyms Abbreviatio...

Page 23: ...enu Tree for Network DTE and Test Options 5 3 Figure 5 2 Configuration Menu Tree for Dial Management and Utilities Options5 4 Figure 6 1 Network Options Menu Tree 6 2 Figure 7 1 DTE Options Menu Tree...

Page 24: ...igure C 1 Terminal Menu Tree C 2 Figure C 2 Terminal Interface Main Menu C 3 Figure C 3 Status Menus C 4 Figure C 4 Remote Configuration Options C 5 Figure C 5 Main Configuration Menu C 5 Figure C 6 D...

Page 25: ...mands 11 4 Table 13 1 Messages from the DSU CSU 13 5 Table 13 2 Troubleshooting New Installs 13 6 Table 13 3 Test AT Commands 13 8 Table 13 4 DTE With Test Pattern Commands 13 9 Table 13 5 Remote Test...

Page 26: ...11L1 1 Table B 5 AT Commands for Storing Phone Numbers B 7 Table B 6 DBU Options AT Commands for All Models B 8 Table B 7 DBU Options AT Commands for V 34 Card B 10 Table C 1 Terminal Main Menu Dial S...

Page 27: ...odular 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 foll...

Page 28: ...II AR DSU III S4W DSU III S4W DSU III S4W DSU III DBU DSU III S4W DSU III DBU DSU III DBU DSU III DBU DSU S2W DSU S2W DSU S2W POWER SUPPLY POWER SUPPLY DIAL DIAL STATUS TEST CONFIG ENTER 1 2 3 4 5 6 7...

Page 29: ...elding 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 syn...

Page 30: ...from the network manager and returns requested information or invokes configuration changes initiated by the manager MIB Index to the organized data within a network device It defines the operation pa...

Page 31: ...e field installable by the customer See Installation 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 no...

Page 32: ...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...

Page 33: ...ontainer 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...

Page 34: ...en 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...

Page 35: ...e 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 is provided in the i...

Page 36: ...ON 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...

Page 37: ...ayed 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...

Page 38: ...TE configuration by pressing the corresponding number then press Enter 3 Use the arrow keys to view submenu items 4 Choose an item on the submenu such as NETWORK OPTIONS NETWORK OPT 5 Activate NETWORK...

Page 39: ...e menu items To select a menu item 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 numbe...

Page 40: ...lay 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...

Page 41: ...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 achie...

Page 42: ...r View DDS VT 100 Terminal or device running SLIP or async PPP protocol DTE Device DTE Device RJ45 to DB25 Cable V 35 Cable TELCO EIA 232 DBU INTERFACE LAN INTERFACE Z 15A A ISDN DBU 10 BASE T 1 LAN O...

Page 43: ...tion Telco Connector Network Interface Connection The DSU IV ESP has an 8 position modular jack labeled TELCO The telco connector is used for connecting to the DDS network The pinout for this connecto...

Page 44: ...selected The primary DTE rate is configured from the front panel The primary DTE equipment can operate in asynchronous or synchronous modes Control Port The DSU IV ESP has an 8 position modular jack l...

Page 45: ...minal 3 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...

Page 46: ...r 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 pa...

Page 47: ...ished Telnet session or an SNMP based network manager like HP Openview IBM Netview or SunNet Manager SNMP and Telnet management are provided by one of the following interfaces A device e g a router ru...

Page 48: ...TDN RDN TD1 ALM TST 1 A C B 4 D F E SHIFT DELE TE QUICK NEXT PREV ADD 7 2 5 3 6 9 8 0 DSU IV ESP RD1 TD2 RD2 TDN RDN TD1 ALM TST 1 A C B 4 D F E SHIFT DELE TE QUICK NEXT PREV ADD 7 2 5 3 6 9 8 0 Route...

Page 49: ...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...

Page 50: ...Enter DBU under specific primary network conditions Lock out DBU over the weekend and or at specified times of the day Dial a specified number when a DBU activation condition is detected Figure 4 3 D...

Page 51: ...urrent 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 curren...

Page 52: ...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 Configur...

Page 53: ...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 o...

Page 54: ...Chapter 4 Applications 4 8 DSU IV ESP User Manual 61204011L1 1...

Page 55: ...tem 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...

Page 56: ...e 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 fron...

Page 57: ...bits 2 Async 10 bits 3 Data Format 1 Asynchronous 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...

Page 58: ...3 9600 BPS 5 Management 3 IP Options 1 Unit IP Address 2 Subnet Mask 3 GW IP Address 1 Disabled 4 IP Security 2 Enabled 1 Get Community 4 SNMP Options 2 Set Community 1 Disable 3 Trap Community 2 Gen...

Page 59: ...mmands 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 charact...

Page 60: ...SDLC Option Character Format Data bits 8 Parity bit Ignored Command Structure F A 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...

Page 61: ...ration commands for both local and remote DSUs The ADTRAN V 25 bis command set follows Possible responses to V 25 bis commands follows If verbose responses are disabled ATV0 the following three charac...

Page 62: ...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 o...

Page 63: ...IONS 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...

Page 64: ...4K 1 LOCAL 1 NETWORK OPT 3 4 8K 4 9 6K 2 DTE OPTIONS 5 19 2K CONFIG 3 TEST OPTIONS 6 38 4K 2 REMOTE ENTER ADDR 4 DIAL OPTIONS 7 6K 5 MANAGEMENT 8 64K 6 UTILITIES 2 NETWORK ADDR ENTER NETWORK ADDRESS...

Page 65: ...te 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 Tabl...

Page 66: ...ctory default setting is ENABLED Network Type Select the appropriate network type The choices are DEDICATED AT T MCI SW56 and US SPRINT SW56 The factory default setting is DEDICATED Clock Source The C...

Page 67: ...TIONS 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...

Page 68: ...a Format 1 Async 3 Async 11 Bits 2 Sync 4 DTE CMD Option 1 Disabled 2 AT Command Set 3 V 25 Sync 4 V 25 BSC Async 1 Normal 2 External 5 Transmit Clock 3 Invert 6 CS Options 1 Forced On 1 CS Delay Shor...

Page 69: ...y 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...

Page 70: ...disabled 2 Time 10 Sec T1 Timeout equals 10 seconds 3 Time 30 Sec T2 Timeout equals 30 seconds 4 Time 60 Sec T3 Timeout equals 60 seconds CD Options 1 Forced On C0 On all the time 2 Normal C1 On only...

Page 71: ...ff 5 sec after disconnect SW56 only 4 Off Test only S0_C0 Off for test only 5 Off test OOS S1_C0 Off for test and OOS 6 Off test LOCD S5 Off 5 seconds after disconnect or test Table 7 1 DTE Options AT...

Page 72: ...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...

Page 73: ...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 secti...

Page 74: ...ERT 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 The CS OPTIONS menu is used to select the control mode for the CS le...

Page 75: ...om 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 OP...

Page 76: ...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 set...

Page 77: ...tree The AT commands and their available options are listed in Table 8 1 on page 8 2 Figure 8 1 Test Options Menu Tree 1 Network Opt Enter Timeout 2 DTE Options 1 Test Timeout 0 Off 00 Sec 1 Local 3 T...

Page 78: ...ry default setting is RDL ACCEPTED Table 8 1 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...

Page 79: ...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 D...

Page 80: ...Chapter 8 Configuring Test Options 8 4 DSU IV ESP User Manual 61204011L1 1...

Page 81: ...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...

Page 82: ...ed 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 5 Answer Always 1 Disabled 8 Wait to Redial Wait to Redial 2 Enabled Time 0 Sec...

Page 83: ...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 The SPID...

Page 84: ...or 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...

Page 85: ...d 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 mi...

Page 86: ...es 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 These opt...

Page 87: ...r 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 rea...

Page 88: ...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 __ __ x 10sec Wait to Redial This opt...

Page 89: ...s MNP er ror control first uses normal operation if nec essary 5 RELIABLE V 42 N4 Reliable V 42 LAPM operation Uses V 42 LAPM error control If V 42 LAPM error control cannot be used the call is discon...

Page 90: ...factory default setting is CTS ONLY Compression 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 a...

Page 91: ...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...

Page 92: ...Chapter 9 Configuring Dial Options 9 12 DSU IV ESP User Manual 61204011L1 1...

Page 93: ...t 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 manageme...

Page 94: ...Enter Address 2 2400 BPS 3 9600 BPS 3 IP Options 1 Unit IP Address 2 Subnet Mask 3 Gateway IP Addr 1 Disabled 4 IP Security 2 Enabled 5 IP Filter Addr Enter Source IP Number 1 5 1 1 Get Community 4 S...

Page 95: ...m the network administrator 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...

Page 96: ...Panel on page 10 6 for more information Trap Community For SNMP operation view and edit the TRAP COMMUNITY string The DSU IV ESP sends this string in SNMP trap messages to the network manager The def...

Page 97: ...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 received Telne...

Page 98: ...ing entry 4 Press the Shift key The cursor appears as an underscore _ 5 Use the up and down arrow keys to scroll to the appropriate letter 6 When the letter displays press Shift A block cursor appears...

Page 99: ...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...

Page 100: ...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 A...

Page 101: ...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 Shi...

Page 102: ...orm verbose 86 01 AT Escape Character 2 00 to FF AT CR Character 3 00 to FF AT LF Character 4 00 to FF AT BS Character 5 00 to FF AT Escape Char Timer 0C 00 to FF Abort Call Timer 7 00 to FF DTR Recog...

Page 103: ...his 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...

Page 104: ...Chapter 11 Configuring Unit Utilities 11 6 DSU IV ESP User Manual 61204011L1 1...

Page 105: ...work type selection CONFIG NETWORK OPT NETWORK TYPE If AT 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 o...

Page 106: ...call and enters dial backup Originate Unit Connected to DDS Line 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 rem...

Page 107: ...DSU IV User Manual 12 3 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...

Page 108: ...Chapter 12 Activating Dial Functions 12 4 DSU IV User Manual 61204011L1 1...

Page 109: ...ronous 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 initiat...

Page 110: ...ed by Enter 3 Use the up and down arrows to view test options 4 Select a test from the available options by pressing the corresponding number followed by Enter Figure 13 2 shows the menu path for init...

Page 111: ...ith a test pattern Figure 13 3 Sample Test Status Displays Exiting a Test 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...

Page 112: ...ion 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 1 DTE Loop LL 1 Local Unit 2 Loop...

Page 113: ...If a problem persists contact telco provider No RX Signal Unit detects sealing current but no data sig nal from telco Bad conductor in tel co cable from DSU to telco jack or bad cir cuit to telco Rep...

Page 114: ...st Sequence for Troubleshooting New Installs or Existing Circuits on page 13 7 Table 13 2 Troubleshooting New Installs Configuration Item to Check Option Selection Action DTE Type EIA 232 or V 35 From...

Page 115: ...st Pattern to determine whether the unit s internal transmitter and receiver are operating error free If problem persists perform a Remote Test to verify the connection between the local and remote un...

Page 116: ...Table 13 3 Test AT Commands Front Panel Display AT Command Description DTE Loop LL T10 TD TD and TX TX Loopbacks Loop Only RT T11 RX TX Loopback at Network Interface DTE Only T1 TX RX Loopback at DTE...

Page 117: ...ss 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 _T3 T8 Stress pattern with alternating medium and l...

Page 118: ...E LOOP test provides a bidirectional loopback at the DSU CSU Figure 13 5 illustrates the loopback points and the signal paths for this test Figure 13 5 DTE Loop Test Test Purpose The DTE LOOP test is...

Page 119: ...he actual communication circuit Figure 13 6 illustrates the loopback point and the signal paths for this test Figure 13 6 Loop Only Test Test Purpose The LOOP ONLY test is used to provide a loopback f...

Page 120: ...verify proper operation between the local DTE and the local DSU IV ESP Figure 13 7 DTE Only Test Diagram Test Purpose The DTE ONLY test is used for the following purposes Verify integrity of the DTE...

Page 121: ...n be 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 Figure 13 8 DTE with Test Patte...

Page 122: ...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 pre...

Page 123: ...ected 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 Injects errors and...

Page 124: ...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...

Page 125: ...e 13 10 V 54 RDL with Test Pattern Front Panel AT Command Description 1 2047 Pattern _T0 T7 Standard 2047 random data pattern 2 511 Pattern _T1 T7 Standard 511 random data pattern 3 Stress Pattern 1 _...

Page 126: ...EST 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 PL...

Page 127: ...esignated 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 fr...

Page 128: ...ly Initiating Follow the menu path outlined in Figure 13 13 to initiate a DBU connection test Figure 13 13 Initiating a DBU Connection Test Interpreting Test Results If the unit is functioning properl...

Page 129: ...operation the DSU IV ESP automatically reverts to the Status display see Figure 14 1 Figure 14 1 Status Display DTE Loop DATA MODE LOOP IS NORMAL LOOP 64K DTE 9 6K SYNC SW56 DBU STATUS OPEN LOOP TR SR...

Page 130: ...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...

Page 131: ...ignal 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...

Page 132: ...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...

Page 133: ...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...

Page 134: ...Chapter 14 Viewing Status Information 14 6 DSU IV ESP User Manual 61204011L1 1...

Page 135: ...1 Appendix A 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 s...

Page 136: ...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 Pin Name Description 4 Wire Switched 56 1 R1 Transmit Data fr...

Page 137: ...ata 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 Tran...

Page 138: ...Detector CD H Data Terminal Ready DTR J 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 X 115 Rece...

Page 139: ...used Used for hardware flow control Pin Name Description 1 TD The positive signal for the TD differential pair This signal contains the serial output data stream transmitted onto the network 2 TD The...

Page 140: ...Appendix A Pinouts A 6 DSU IV ESP User Manual 61204011L1 1...

Page 141: ...ber none ATE Echo Command 1 ATH Hang Up Call none ATO Go Online none ATQn Result Code Display 0 ATSn Read S Register none ATSn x Write to S Register none ATVn Result Code From Firmware 1 ATZ Self Test...

Page 142: ...U 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 Seal...

Page 143: ...crambler 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...

Page 144: ...ed 2 Time 10 Sec T1 Timeout equals 10 seconds 3 Time 30 Sec T2 Timeout equals 30 seconds 4 Time 60 Sec T3 Timeout equals 60 seconds CD Options 1 Forced On C0 On all the time 2 Normal C1 On only when d...

Page 145: ...y S1_C1 Off when network out of service 3 Off LOCD Only S3 Off 5 sec after disconnect SW56 only 4 Off Test only S0_C0 Off for test only 5 Off test OOS S1_C0 Off for test and OOS 6 Off test LOCD S5 Off...

Page 146: ...ds Front Panel AT Command Loop Rate AUTO B0 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 P4 2 ENABLED P5 Network Type 1 DEDI...

Page 147: ...2 RDL Accepted T4 RDL request accepted EIA LLB Enable Disable 1 Disabled _A0 No response to local loopback 2 Enabled _A1 Responds to local loopback EIA RLB Enable Disable 1 Disabled _R0 No response t...

Page 148: ...Answer 1 DBU originate _E0 Originates call if DDS fails 2 DBU answer _E1 Answers call if DDS fails DBU Criteria When Out of Service 1 Disabled _G0 No DBU for OOS 2 Enabled _G1 DBU when OOS No Receive...

Page 149: ...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 enabl...

Page 150: ...BLE V 42 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 N5 Reliable V 42 LAPM or MNP operation Uses eit...

Page 151: ...ands 61204011L1 1 DSU IV ESP User Manual B 11 Compression 1 Disabled C0 Compression disabled 2 Enabled C1 Compression enabled Table B 7 DBU Options AT Commands for V 34 Card Continued Front Panel AT C...

Page 152: ...Appendix B AT Commands B 12 DSU IV ESP User Manual 61204011L1 1...

Page 153: ...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 fr...

Page 154: ...DTE 2047 PTRN 5 DTE 511 PTRN 3 Dial Directory Enter edit stored numbers 1 10 6 9 DTE DDS PRTNs 1 4 10 XMIT 2047 PTRN 1 SNMP 1 System Name 11 XMIT 511 PTRN 4 Management 2 Interface 2 System Location 12...

Page 155: ...umber then press Enter See Figure C 2 Table C 1 Terminal Main Menu Dial Selection Figure C 2 Terminal Interface Main Menu The DIAL selection in the terminal Main menu is determined by two things the N...

Page 156: ...4 DSU IV ESP User Manual 61204011L1 1 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...

Page 157: ...nus When LOCAL CONFIGURATION is selected the screen in Figure C 5 appears For REMOTE CONFIGURATION the remote address must be entered through the menu shown in Figure C 4 After entering the address th...

Page 158: ...Test options 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 de...

Page 159: ...ure C 7 Figure C 7 S4W Dial Backup Dial Directory Configuration Enter edit stored numbers See Configuring Dial Options on page 9 1 for more information If DBU CONFIGURATION is selected when no DBU car...

Page 160: ...nt interface and set the unit up to respond to 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 wh...

Page 161: ...Configuration View set the time of day and date view the LAN MAC address if the ESP ethernet card is installed enable disable the front panel or enter manual commands Configuring Unit Utilities on pag...

Page 162: ...al 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 pag...

Page 163: ...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 inst...

Page 164: ...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...

Page 165: ...d 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 PROFILE 2 Use profile 2 for a 56 kbps asynchronous...

Page 166: ...ng Long 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...

Page 167: ...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...

Page 168: ...Appendix D Configuration Profiles D 4 DSU IV ESP User Manual 61204011L1 1...

Page 169: ...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 crossover cable wiring ADTRAN DSU CSU units will operate in this...

Page 170: ...Appendix E DSU to DSU Tail Circuit E 2 DSU IV ESP User Manual 61204011L1 1 Figure E 1 DDS Tail Circuit DDS NETWORK Tail circuit crossover cable DTE DTE DDS NETWORK DSU DSU DDS Loop DDS Loop...

Page 171: ...hown in Figure E 2 Figure E 2 Standard EIA 232 D Crossover Cable P1 Pin Pin P2 Chassis Ground TXD RXD RTS CTS DSR Signal Ground CD RLSD RC SCR DTR ETC SCR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18...

Page 172: ...Appendix E DSU to DSU Tail Circuit E 4 DSU IV ESP User Manual 61204011L1 1...

Page 173: ...B D in dial backup PSTN V 34 in dial backup Network Data Rates Dedicated mode service rates 2 4 4 8 9 6 19 2 38 4 56 64 kbps Switched mode service rate 56 kbps Dial Backup Switched 56 56 kbps V 34 2 4...

Page 174: ...DDS slaved to network receive clock Private network master internal Private network master slaved to external DTE clock Normal DDS tail circuit Switched Mode Dialing Options Stored number Front panel...

Page 175: ...y Approvals U L 1950 C U L 1950 FCC Part 15 Class A FCC Part 68 CS03 Environment Operating Temperature 0 to 50 O C 32 to 122 O F Storage Temperature 20 to 70 O C 4 to 158 O F Relative Humidity Up to 9...

Page 176: ...Appendix F Specifications Summary F 4 DSU IV ESP User Manual 61204011L1 1...

Page 177: ...ous BECN backward explicit congestion notification BOP bit oriented protocol CCITT Consultive Committee for International Telephony and Telegraphy CD carrier detect CIR committed information rate CO c...

Page 178: ...ress EBCDIC extended binary coded decimal interexchange code FECN forward explicit congestion notification FEP front end processor FIFO first in first out FR frame relay FRAD frame relay access device...

Page 179: ...RDL remote digital loopback RFC request for comments RFECN remote forward explicit congestion notification RIP routing information protocol RMA return material authorization RNR receiver not ready RR...

Page 180: ...tions G 4 DSU IV ESP User Manual 61204011L1 1 SW56 switched 56 sync synchronous TD transmit data TR data terminal ready Tx transmit UA unavailable UNI user to network interface VRC vertical redundancy...

Page 181: ...through a channel the greater the bandwidth the more information that can be sent in a given amount of time bridge A device that supports LAN to LAN communications Bridges may be equipped to provide...

Page 182: ...ed 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 s...

Page 183: ...l 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...

Page 184: ...es 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 i e the frame relay fra...

Page 185: ...face 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...

Page 186: ...te 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...

Page 187: ...ircuit 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...

Page 188: ...n 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...

Page 189: ...d 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 leve...

Page 190: ...Appendix H Glossary H 10 DSU IV ESP User Manual 61204011L1 1...

Page 191: ...uration profiles chart D 2 connector type for DTE 7 6 control port 3 10 control port operating speed 10 3 customer service xiii D data format DTE interface 7 6 data set ready SR options 7 10 data term...

Page 192: ...l backup passcode 9 11 ISDN DBU status 14 2 ISDN dial backup 9 3 ISDN switch types 9 11 L LAN application with SNMP Telnet management 4 1 LDN number for ISDN dial backup 9 3 local remote configuration...

Page 193: ...nus 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 test AT commands 13 8 test options AT commands 8 2 B 7 test o...

Page 194: ...Index Index 4 DSU IV ESP User Manual 61204011L1 1...

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