Black Box CSU/DSU Specifications

CUSTOMERSUPPORTINFORMATIONOrder toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)FREE technical support 24 hours a day, 7 days

9ISDN SERVICE ORDERING INFORMATIONISDN Service Ordering Information for the CSU/DSU MS DBU With ISDN DialBackupFor CSU/DSU MS DBU ISDN applications, t

Figure C-1. Terminal Interface Main Menu (SW56 Network Type Selected).99APPENDIX C: Terminal Menu Structure1 STATUS2 LOCAL CONFIG4 LOCAL TEST 5 REMOTE

100CSU/DSU MS DBUFigure C-2. Terminal Menu Tree.1=STATUSSTATUS DISPLAY SCREENS2=LOCAL CONFIG3=REMOTE CONFIG1=REMOTE ADDRESS2=EXECUTE REMOTE CONFIG4=LO

101APPENDIX C: Terminal Menu StructureFigure C-2 (continued). Terminal Menu Tree.DTE OPTIONSBERYNETWORK/TEST/COMMAND OPTIONSThese selections are depen

C.1 Status MenusStatus menus display all relevant information for the network and DTE interfaces.For more information, see Chapter 14.Figure C-3. Stat

Figure C-5. Main Configuration Menu.C.2.1 DSU CONFIGURATION(DTE, NETWORK, ANDTESTOPTIONS)Chapters 6–9 include detailed descriptions of these parameter

Figure C-7. S4W Dial Backup.Dial Directory ConfigurationEnter/edit stored numbers. See Chapter 9 for more information.C.2.3 MANAGEMENTCONFIGURATIONSel

105aAPPENDIX C: Terminal Menu StructureCHAPTERFigure C-9. SNMP Management Menu.C.2.4 UTILITYCONFIGURATIONView/set the time of day and date, view the L

106CSU/DSU MS DBUC.3 Local/Remote Test MenusThe Local Test Options menu is shown in Figure C-11. The Remote Test Optionsmenu is shown in Figure C-12.

107APPENDIX C: Terminal Menu StructureFigure C-13. SW56 Dialing Menu.C.4.2 DIALDBUThis menu is available when a module is installed in the CSU/DSU MS

108CSU/DSU MS DBUAppendix D. Configuration ProfilesThe CSU/DSU MS DBU contains four different user profiles (sets of configurationoptions) stored in r

10CSU/DSU MS DBUTURN THE FOLLOWING FEATURES OFF:Packet Mode DataMulti-line HuntMultiple Call AppearancesElectronic Key Telephone Sets (EKTS)Shared Dic

109APPENDIX D: Configuration ProfilesTable D-1 (continued). Configuration ProfilesProfile Numbers(00) 1 (01) 2 (02) 3 (03) 4Manual Command (continued)

110CSU/DSU MS DBUTable D-1 (continued). Configuration ProfilesProfile Numbers(00) 1 (01) 2 (02) 3 (03) 4Test Options (continued)EIA Controlled LLB Dis

111APPENDIX E: DSU-to-Modem InterconnectAppendix E. DSU-to-ModemInterconnectModem Tail-Circuit ApplicationA DSU-to-modem interconnect diagram for a mo

112CSU/DSU MS DBUAppendix F. SpecificationsOperating Modes• Dedicated DDS (point-to-point, multipoint)• Switched 56 (4-wire)• ISDN (1B+D)• PSTN (V.34)

113APPENDIX F: SpecificationsSNMP and TELNET• Integrated SLIP/PPP port• Physical connector RJ-48 female and DB25• Optional 10BASE-T interface with SNM

114CSU/DSU MS DBULine RequirementsLoop transmission parameters as defined in:AT&T PUB 62310: Dedicated DDSAT&T PUB 4146B: Switched 56Sprint TS

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11CONTENTSContentsChapter Page1. Introduction...1

12CSU/DSU MS DBUChapter Page7.5 Transmit Clock...497.6 Clear to

13CONTENTSChapter Page11.Configuring Unit Utilities ...6811.1 Manual Co

14CSU/DSU MS DBUChapter PageAppendix C. Terminal Menu Structure ...98C.1 Status Messages

15CHAPTER 1: Introduction1. Introduction1.1 OverviewThe CSU/DSU MS DBU (data service unit with embedded SNMP) providesa reliable, high-speed data conn

16CSU/DSU MS DBUModem Module allows switched backup over the public switched telephonenetwork (PSTN). The ISDN Module is compatible with National ISDN

17CHAPTER 1: IntroductionMIBIndex to the organized data within a network device. It defines the operationparameters that can be controlled or monitore

18CSU/DSU MS DBUV.34 MODULEThe V.34 card has all of a V.32 bis modem’s modes of operation, plus V.34 andV.FC modes. This allows the V.34 option to run

1TRADEMARKSTRADEMARKS USED IN THIS MANUALAccunet and AT&T are registered trademarks of American Telephone andTelegraph Company.VT100 is a trademar

19CHAPTER 2: Installation2. Installation2.1 Unpack, Inspect, Power UpINSPECTIONCarefully inspect the CSU/DSU MS DBU for any shipping damage. If damage

20CSU/DSU MS DBUin the CSU/DSU MS DBU). See Appendix A for the pin assignments of the controlport (for SLIP and Async PPP) and the Ethernet port.POWER

21CHAPTER 2: InstallationFigure 2-1. Rear View.Item FunctionDBU Interface DBU module card slotLAN Interface SNMP Ethernet Module slotTelco Connects to

22CSU/DSU MS DBUDBU ANDETHERNETCARDSLOTSCAUTIONRemove power from the unit prior to installing or removing modules.The CSU/DSU MS DBU rear panel has tw

23CHAPTER 2: InstallationCAUTIONTo prevent possible radio-frequency interference emissions, a shieldedcable is required.CONTROLPORTThe CSU/DSU MS DBU

24CSU/DSU MS DBU3. OperationThe CSU/DSU MS DBU is shown in Figure 3-1. Descriptions of each part of thefront panel follow.Figure 3-1. Front Panel.LCD

25CHAPTER 3: OperationCANCELPressing the Cancel key stops the current activity and returns to the previousmenu. Repeat until the desired menu level is

26CSU/DSU MS DBUFRONT-PANELMENUNAVIGATIONTo choose a menu item, press the corresponding number or letter on the keypad.Press Shift to activate menu it

27CHAPTER 3: OperationFront-panel LCD display of the Main menu:1=STATUS 2=TEST3=CONFIG 4=DIALNOTEThe Dial selection in the Main menu is only available

28CSU/DSU MS DBUVT100 Terminal Connection and OperationTo control the CSU/DSU MS DBU using a VT100 terminal:1. Select a terminal interface through the

2CSU/DSU MS DBUFEDERAL COMMUNICATIONS COMMISSIONANDINDUSTRY CANADARADIO FREQUENCY INTERFERENCE STATEMENTSThis equipment generates, uses, and can radia

Figure 3-3. Terminal Interface Main Menu (SW56 Mode).29CHAPTER 3: Operation1 STATUS2 LOCAL CONFIG4 LOCAL TEST 5 REMOTE TEST 6 DIAL SW56TERMINAL MENUES

30CSU/DSU MS DBU4. ApplicationsThis chapter provides examples of some common CSU/DSU MS DBUapplications. The examples include LAN applications with bo

31CHAPTER 4: ApplicationsFigure 4-1. SLIP/PPP LAN Application with SNMP/TELNETManagement.Figure 4-2. Ethernet LAN Application with SNMP/TELNET Managem

32CSU/DSU MS DBUMINIMUMCONFIGURATIONREQUIREMENTS FORSNMP/TELNET ACCESSThe following options are the minimum configuration requirements forestablishing

33CHAPTER 4: Applications4.2 Dial-Backup ApplicationThe CSU/DSU MS DBU provides point-to-point connection to the network.With one of the DBU module ca

34CSU/DSU MS DBUOPERATIONDURINGCRITICALTIMESThe following four conditions will cause a CSU/DSU MS DBU to enter dial-backupmode:Loss of Sealing Current

35CHAPTER 4: ApplicationsWeekend and Time of Day LockoutThe CSU/DSU MS DBU may be configured not to enter dial-backup modeat certain times of day or o

36CSU/DSU MS DBU5. Configuration OverviewThe CSU/DSU MS DBU contains four different user profiles (sets of configurationoptions) stored in read-only m

37CHAPTER 5: Configuration OverviewNOTEBecause a VT100 terminal has better display capabilities, the VT100menu structure differs from the front-panel

38CSU/DSU MS DBUFigure 5-1. Front-Panel Configuration Menu Tree.3=CONFIG1=LOCAL2=REMOTEENTER ADDRESS1=NETWORK OPT.1=LOOP RATE2=NETWORK ADDR.3=REMOTE C

3NOM STATEMENTNORMAS OFICIALES MEXICANAS (NOM)ELECTRICAL SAFETY STATEMENTINSTRUCCIONES DE SEGURIDAD1. Todas las instrucciones de seguridad y operación

39CHAPTER 5: Configuration OverviewFigure 5-1 (continued). Front-Panel Configuration Menu Tree.1=DTE RATE2=CONNECTOR TYPE3=DATA FORMAT4=DTE CMD OPTION

40CSU/DSU MS DBUV.25 BISCOMMANDSWhen configured for the V.25 bis option, the CSU/DSU MS DBU accepts in-banddialing and configuration commands from bot

41CHAPTER 5: Configuration OverviewSpecial V.25 Configuration CommandsIn addition to the CCITT commands supported, Black Box has addedconfiguration co

42CSU/DSU MS DBU6. Configuring Network OptionsThe Network Options configuration parameters control the loop operation of theCSU/DSU MS DBU. Once a par

43CHAPTER 6: Configuring Network OptionsFigure 6-1. Network Options Menu Tree.6.1 Loop RateThe Loop Rate option sets the loop operating speed. The uni

44CSU/DSU MS DBU6.3 Remote ConfigurationThis option sets up the CSU/DSU MS DBU to accept or reject remoteconfiguration commands. The factory-default s

45CHAPTER 7: Configuring DTE Options7. Configuring DTE OptionsThe DTE Options menu is used to select the configuration parameters that controlthe oper

46CSU/DSU MS DBUTable 7-1. DTE Options AT CommandsFront Panel AT DescriptionCommandDTE Rate1=2.4K %K3 DTE rate: 2.4K sync and async2=4.8K %K4 DTE rat

47CHAPTER 7: Configuring DTE OptionsTable 7-1 (continued). DTE Options AT CommandsFront Panel AT DescriptionCommandCS Options (continued)5=OFF WITH LO

48CSU/DSU MS DBUNOTEFor IDLE WHEN OFF option: In SW56 mode, TR off causes the DSU to goOn Hook (Idle). The unit does not dial out if TR is off. In ded

4CSU/DSU MS DBU12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarizacióndel equipo no sea eliminada.13. Los cables de la fue

49CHAPTER 7: Configuring DTE Options7.4 DTE Command OptionThe DTE Command option is used to enable a DTE command mode or disableall modes. The availab

50CSU/DSU MS DBU7.7 Anti-StreamThe Anti-Stream option is used to select the anti-stream timeout. The anti-streamtimeout is the maximum time the CSU/DS

51CHAPTER 8: Configuring Test Options8. Configuring Test OptionsThe Test Options menu enables or disables different test modes and specifiesthe maximu

52CSU/DSU MS DBUTable 8-1. Test Options AT CommandsFront Panel AT Command DescriptionTest TimeoutENTER TIMEOUT S18=x Specify 0-255 second test timeout

53CHAPTER 8: Configuring Test OptionsDBU ANSWERTESTThe dial-backup connection can be tested while data is passing on the DDS.In order for this test to

54CSU/DSU MS DBU9. Configuring Dial OptionsThe Dial Options menu stores up to ten phone numbers, enables/disables theSW56 auto answer capability, defi

55CHAPTER 9: Configuring Dial Options9.1 Phone NumbersThe CSU/DSU MS DBU stores up to 10 numbers of 36 digits each. Edit a phonenumber by reentering t

56CSU/DSU MS DBU9.3 DBU OptionsThe DBU Options are used to select the modes of operation for the Dial Backupfeatures. There are ten standard options a

57CHAPTER 9: Configuring Dial OptionsAnswer Always: If enabled, the answer unit answers any incoming call regardlessof failed conditions.Weekend Locko

58CSU/DSU MS DBUFail TimerThis option sets the amount of time the dedicated circuit failure condition must beactive before the CSU/DSU MS DBU attempts

5ABOUT THIS MANUALAbout This ManualThis manual is arranged so you can quickly and easily find the informationyou need. The following is an overview of

59CHAPTER 9: Configuring Dial OptionsTable 9-2 (continued). DBU Options AT Commands for All ModelsFront Panel AT Command Description1=Disabled _H0 No

60CSU/DSU MS DBU9.3.3 DBU OPTIONS FORV.34 CARDTable 9-3 shows the equivalent AT commands for setting Error Control,Flow Control, and Compression optio

61CHAPTER 9: Configuring Dial OptionsTable 9-3 (continued). DBU Options AT Commands for V.34 CardDBU Options CMD AT DescriptionError Control7=AUTO V.

62CSU/DSU MS DBUpasscode does not match, the answer unit sends an Invalid Passcode message tothe originate unit and terminates the dial-backup connect

63CHAPTER 10: Configuring Management Functions10. Configuring ManagementFunctionsThe Management menu is used to select the desired management interfac

64CSU/DSU MS DBU10.3 IP OptionsNOTEWhen configuring the CSU/DSU MS DBU with the front panel, use the “*”key to enter a decimal point.10.3.1 UNITIP ADD

65CHAPTER 10: Configuring Management Functions10.4 SNMP OptionsThe following options must be configured when SNMP management is used.GETCOMMUNITYFor S

66CSU/DSU MS DBUAUTHENTICATIONTRAPSEnable/disable the CSU/DSU MS DBU to send SNMP authentication traps tothe SNMP management station. If enabled, the

67CHAPTER 10: Configuring Management Functions9. Once password entry is complete, press the Enter key.NOTEA block cursor signifies movement from field

68CSU/DSU MS DBU11. Configuring Unit UtilitiesThe Utilities menu is used to enter manual commands, set/view the time and date,and view the software ve

6CSU/DSU MS DBU• Appendix E contains a DSU-to-modem interconnect diagram for a modem tail-circuit application.• Appendix F contains product specificat

69CHAPTER 11: Configuring Unit Utilities11.1 Manual CommandThe Manual Command option is a shortcut method for entering configurationand control comman

Table 11-1. Manual CommandsCommand Description Command ValueAT Command EchoDisable 82 00Enable 82 01AT Result codeEnable 85 00Disable 85 01AT Long or

71CHAPTER 11: Configuring Unit UtilitiesNOTEThe CSU/DSU MS DBU has been tested for year 2000 compliance.11.3 Software RevisionView the current revisio

72CSU/DSU MS DBU12. Testing and Troubleshooting12.1 Test OverviewThe CSU/DSU MS DBU performs a variety of diagnostic functions that isolateportions of

73CHAPTER 12: Testing and Troubleshooting4. Select a test from the available options by pressing the corresponding number,followed by Enter.The exampl

74CSU/DSU MS DBU12.1.3 EXITING ATESTDuring a test, press Quick to access the Exit Test/Display Status menu or pressCancel to return to the Main menu.

75CHAPTER 12: Testing and TroubleshootingNOTEThe Status menu must be selected in order for the unit to display statusmessages. Pressing Quick returns

76CSU/DSU MS DBU12.2.2 TROUBLESHOOTINGNEWINSTALLATIONSBefore initiating diagnostics on a newly installed unit and/or DDS circuit andbefore contacting

77CHAPTER 12: Testing and Troubleshootingremote unit is error free. Run the test using all available test patterns.NOTEIf an external BERT tester is a

78CSU/DSU MS DBUTable 12-4. DTE With Test Pattern CommandsFront Panel AT Command Description1=2047 PATTERN _T0&T8 Standard 2047 random data patter

7FCC REGULATIONSFCC regulations require that the following information be provided in thismanual:1. This equipment complies with Part 68 of the FCC ru

79CHAPTER 12: Testing and TroubleshootingTest PurposeThe DTE & Loop test is used for the following purposes:• Verify integrity of the DTE interfac

80CSU/DSU MS DBUNOTEWhen this test is implemented, the far unit receives an OOS/OOFmessage from the network and enters an alarm state.Figure 12-7. DTE

81CHAPTER 12: Testing and TroubleshootingTest PurposeA DTE with TP test verifies the internal transmit and receive circuitry of theCSU/DSU MS DBU.Inte

82CSU/DSU MS DBUTest PurposeTesting using a test pattern is used for the following purposes:• Transmits user-selected test pattern using an internal t

83CHAPTER 12: Testing and TroubleshootingThe Remote Unit submenu allows a remotely installed DSU to be placed intoloopback. There are six test pattern

84CSU/DSU MS DBUUse the number keys to type the address of the remote DSU, then press Enter.The test-pattern selections are displayed. After a test pa

85CHAPTER 12: Testing and TroubleshootingFigure 12-12. DBU Connection Test.Test PurposeThe purpose of this test is to verify the DBU circuit and DBU m

86CSU/DSU MS DBU13. Activating Dial FunctionsThe dial options available from the Main menu (4=Dial) vary depending on thenetwork-type selection (3=CON

87CHAPTER 13: Activating Dial FunctionsANSWERUNITCONNECTED TODDS LINEDial BackupThe message COMMAND ACCEPTED is displayed and the CSU/DSU MS DBUwaits

88CSU/DSU MS DBU14. Viewing Status InformationThe status selection displays two lines of the current operational status of thenetwork and the DTE inte

8CSU/DSU MS DBU8. The following information may be required when applying to the localtelephone company for a dial-up line for the V.34 Module:Service

89CHAPTER 14: Viewing Status InformationCURRENTSTATUS OFDIALBACKUPMODEThis display line (see Figure 14-1) indicates the backup service status. Possibl

90CSU/DSU MS DBUOpen Loop The physical connection to the backup linehas been broken (4-wire SW56 only).DBU Line in RDL Remote end initiated a test.Tes

91CHAPTER 14: Viewing Status InformationCurrent DDS Network StatusThis display line (see Figure 14-1) displays the status of the main telco line.For n

92CSU/DSU MS DBUAppendix A. PinoutsThe following tables give the pin assignments for the connectors on the backof the CSU/DSU MS DBU, the DBU cards, a

93APPENDIX A: PinoutsTable A-3. Pin Assignments for Primary EIA-232 ConnectorPin EIA Description1 AA Protective Ground (PG)2 BA Transmit Data (SD)3 BB

94CSU/DSU MS DBUTable A-4. Pin Assignments for Primary V.35 ConnectorPin CCITT DescriptionA 101 Protective Ground (PG)B 102 Signal Ground (SG)C 105 Re

95APPENDIX A: PinoutsTable A-6. Pin Assignments for 10BASE-T ConnectorPin Name Description1 TD+ The positive signal for the TD differential pair. This

96CSU/DSU MS DBUAppendix B. AT CommandsTable B-1 shows the AT commands available for the CSU/DSU MS DBU.Table B-1. AT CommandsCommand Title DefaultA/

97APPENDIX B: AT CommandsTable B-1 (continued). AT CommandsCommand Title DefaultAT_An LLB Control 0AT_Bn DBU Number to Dial 0AT_Cn SR Control During T

98CSU/DSU MS DBUAppendix C. Terminal MenuStructureThis appendix describes the terminal menus used when managing the CSU/DSUMS DBU through either a VT1