Starting a Line Loopback | Paradyne 3164-A2, 3165-A2, 3160-A3

4. Maintenance

Starting a Line Loopback

The Line Loopback command (LLB) loops the received signal on the network interface back to the network without change.

DTE	ALL
(DSX-1)	1s

DSU CSU

ALL 1s ALL 1s

LLB	NETWORK
	INTERFACE

PORT 2 PORT 1	496-14319-02

Procedure

To perform a Line loopback:

1.From the top-level menu screen, select Test.

2.From the Test screen, select Lpbk.

Test:

Rlpbk Lpbk Ptrns

F1 F2 F3

3. From the Loopback screen, select LLB.

Loopback:

Abort LLB PLB

F1 F2 F3

Test Started appears on Line 2. If a line loopback is already in progress, the Already Active message appears. If an invalid combination of loopbacks is in progress, the error message Invld Test Combo appears (see Table 4-8, Valid Loopback Combinations, for valid loopback test combinations).

3160-A2-GB21-90

February 2001

4-23

Image 125

Paradyne 3164-A2, 3165-A2, 3160-A3, 3161-B3 manual Starting a Line Loopback

Contents

Acculink DSU/CSU Carrier Card Standalone Important Safety Instructions United States EMI Notice 316x DSU/CSU Facility Interface Codes Description Government Requirements and Equipment Return United States Canada Contents February Operation Resetting the DSU/CSU Download Operations Maintenance Pin Assignments Front Panel Menu Technical SpecificationsTConfiguration Options Front Panel Emulation Snmp MIB ObjectsIP Network Addressing Scenarios Equipment List Glossary Index Asynchronous Terminal Operation Document Summary About This GuideDocument Purpose and Intended Audience Document Number Document Title Product-Related Documents Reference Documents About This Guide February Overview FeaturesIntroduction Telnet Access Alarm Message CapabilityDTE Drop/Insert DSX-1 Interface Front Panel Emulation Standalone DSU/CSU Front Panel Physical DescriptionSnmp Management Support Acculink DSU/CSU Rear Panel Standalone DSU/CSU Rear Panel Power COM Port Modem Network AUX Port DTE NEC Power Standalone DSU/CSU Rear Panel Connectors Name Function Introduction February Application Examples Installation Network Direct Connection Snmp or Telnet Connection Examples Connection through a LAN Adapter Installing the +24 Vdc Power Supply Optional Power SourcesImportant Instructions Representative +24 Vdc Power Supply Pinouts Installing the Single -48 Vdc Power Supply 11. -48 Vdc Redundant Source Power Supply Pinouts Installing the Redundant -48 Vdc Power Supply 12. Cabling Examples Cabling Examples Power-Up Self-Test Top-level menu screen appears Operation Using the Front Panel LCD Keypad Keypad Test Jacks Standalone DSU/CSU Test Jacks DSU/CSU LEDs LEDs Name Color Meaning System LEDs Name Color MeaningNetwork Interface LEDs PDV DTE Drop/Insert DSX-1 Interface LEDs Name Color Meaning DTR Data Port LEDs Name Color Meaning Depending on the model of the DSU/CSU Displaying Unit Identity CCA1=xxxx-xxx Setting Customer Identification Selecting the DTE Drop/Insert or Data Port for LED Display Displaying LED Conditions Changing Configuration Options Operation Displaying/Editing Configuration Options Saving Edit Changes Selecting/Copying to a Specific Port Appendix C, Configuration Options Configuring the DSU/CSU for Snmp or Telnet Access Selecting the Port Setting the IP Address Com IP Adr Next Edit Clear Selecting the Link Layer Protocol Specifying the Community Names and Access Types CommunityName1 Next Edit Clear Enabling Snmp Trap Messages Configuring Snmp Traps Selecting the Number of Trap Managers Configuring a Destination for Snmp Traps Configuring DS0 Channels Example of Channel Allocation Example of Interface Worksheet for Network Interface Network Interface Network Channel Allocation Example of Interface Worksheet for DTE Drop/Insert Interface Example of RBS Information Worksheet DTE Chan Config Assign N1 Voice RBS or Data Port Chan Conf Options Value 10. Port Channel Configuration Worksheet Ports 1 11. Port Channel Configuration Worksheet Ports 3 Displaying DS0 Channel Assignments Display Channel Symbols Meaning From the Channel Config screen, select Dsply Acami Allocating Data Ports EditDTE Port NET Chan Block or Acami Assignment Method Individual Channel Assignment Method From the Channel Config screen, select DTE From the DTE Channels screen, press F1 to select Assign Clearing DS0 Channel Allocation Selecting the Timing Source Providing Backup Capability 12. Common Clocking Configurations Configuring for External Timing Configuring for Network Timing Establishing Access Security on a Port Setting a Password Entering a Password to Gain Access Acquiring/Releasing the User Interface Acquiring the Active User Interface Releasing the Active User Interface Enabling/Disabling the Front Panel Entering Numbers in the Phone Directories Using the Integral Modem in Standalone DSU/CSUs From the Call Setup screen, select ChDir Valid Phone Number Characters Meaning Restrictions Initiating a Call for Front Panel Pass-Through Operation From the Call Setup screen, select Pass Dial n Disconnecting the Modem Connection Enabling the Communication Port for Carrier-Mounted DSU/CSUs Com Port Next Enab Disab Ascii HEX Control Sequence Deactivating the Alarm Relay for Carrier-Mounted DSU/CSUs Download Operations Resetting the DSU/CSU Operation February User Interface Access Security for Standalone DSU/CSUs Changing User Interface Access Security Self-Test Health Maintenance Self-Test Health Messages Description Device Health and Status Device Health and Status Messages 1 Description Device Health and Status Messages 2 Description Performance Reports Select User registers User Intvl Up Down Dsply Control Rel LED ClrReg VldIntvl CurTimerEvent Complete StEvnt Alarms Snmp Traps Snmp Trap per Interface Trap Meaning Enterprise-Specific Trap Definitions Trap Value Event Troubleshooting 1 Symptom Possible Cause Solutions Troubleshooting Yellow at Net Troubleshooting 2 Symptom Possible Cause Solutions Troubleshooting 3 Symptom Possible Cause Solutions Eqpt NET Test Jacks NET Out NETEqpt Eqpt Out Remote Loopback Tests Test CommandsFor Networks For Channels DSU/CSU Sending a Line Loopback Up or Down Sending a V.54/ANSI FT1 Activation/Deactivation Valid Loopback Combinations Local Loopback Tests Starting a Line Loopback Starting a Payload Loopback Starting a DTE Loopback Starting a Repeater Loopback Starting a Data Channel Loopback Starting a Data Terminal Loopback Aborting Loopbacks Test Patterns Sending Test Patterns In8 Network Qrss Port Valid Send Test Pattern CombinationsNetwork Qrss Port Network Port Monitoring Test Patterns Aborting Test Patterns Starting a Lamp Test Lamp Test Aborting a Lamp Test Displaying DSU/CSU Test Status 10. Test Status Message Description DSU ESF Front Panel Menu Front Panel Menu February 3164 Technical Specifications3160 Models 3160/3164 Physical Dimensions Configuration Options Table C-1. DTE Interface Configuration Options 1 DTE Interface Configuration OptionsManagement Configuration Options Table C-2. Port Configuration Options 1 Port Configuration OptionsTable C-1. DTE Interface Configuration Options 2 All Ones Both Next Disab DTR RTS Both Prev Table C-2. Port Configuration Options 2 Rcv Yellow Halt Next None Halt Prev Table C-2. Port Configuration Options 3Tx Clock Int Next Int Ext Prev InvertTxC Disab Next Enab Disab Prev EDL Disab Next Enab Disab Prev Table C-2. Port Configuration Options 4 Near-end Disab Next Disab Maint Send Both Prev Table C-2. Port Configuration Options 5Far-end Disab Next Disab Maint Prev Mgmt Link Disab Next Enab Disab Prev Table C-3. Network Interface Configuration Options 1 Network Interface Configuration Options NET LLB Enab Next Enab Disab Prev Table C-3. Network Interface Configuration Options 2NET PLB Enab Next Enab Disab Prev Bit Stuff Next 62411 Part68 Disab Prev Circuit Ident Next Edit Clear Prev Channel Configuration OptionsTable C-3. Network Interface Configuration Options 3 DTE Channels Assign Voice Table C-4. DTE Channel Configuration OptionsN4 N5 N9 N10 N11 N12 N13 N14 N15 N24 Value Meaning Channel Config Dsply Clear DTE Prt1 Prt2 Prt3 Prt4 Table C-5. Data Port Channel Configuration Options 1Assign To NET Next NET DTE Prtn Prtn Prtn Prev Assign By Block Next Block Acami Chan Prev Table C-5. Data Port Channel Configuration Options 2 Table C-5. Data Port Channel Configuration Options 3 N10 N11 N12 N24 Next Prev D10 D11 D12 D24 Table C-5. Data Port Channel Configuration Options 4 Table C-6. General Configuration Options 1 General Configuration OptionsGen Yellow Enab Next Enab Disab Prev Clock Src NET Next NET DTE Prt1 Int Ext Prev Tst Timeout Enab Next Enab Disab Prev Table C-6. General Configuration Options 2Clock Rate Next 2048 1544 8 Prev Tst Duration Next Up Down Save Prev Table C-7. User Interface Configuration Options 1 User Interface Configuration Options Password None Next None Com Modem Both Prev Table C-7. User Interface Configuration Options 2Com Port Disab Next Enab Disab Prev Com Use Ascii Next Mgmt Ascii Daisy Term Prev ComConnPrefix Next Edit Clear Prev Table C-7. User Interface Configuration Options 3ComExtDev Disab Next Disab AT Other Prev ComEscapeSeq Next Edit Clear Prev Table C-7. User Interface Configuration Options 4ComConnected Next Edit Clear Prev ComEscDel None Next None 0.2s 0.4s 0.6s 0.8s 1.0s Prev Table C-7. User Interface Configuration Options 5ComDisconnect Next Edit Clear Prev Com Type Async Next Async Sync Prev Com Clk Int Next Int Ext Prev Table C-7. User Interface Configuration Options 6Com Rate Next 1.2 2.4 4.8 9.6 14.4 19.2 38.4 Prev Char Length Next 7 8 Prev Table C-7. User Interface Configuration Options 7 Table C-7. User Interface Configuration Options 8 MoInActTm Disab Next Enab Disab Prev Table C-7. User Interface Configuration Options 9MoDiscTm Next Up Down Save Prev Aux Use None Next None Mgmt Daisy Prev TnSession Disab Next Enab Disab Prev Table C-7. User Interface Configuration Options 10TnPaswd Disab Next Enab Disab Prev TnInActTm Disab Next Enab Disab Prev Table C-8. Alarm Configuration Options 1 Alarm Configuration OptionsAlrm Msg Disab Next Disab Modem Com Both Prev Snmp Trap Disab Next Enab Disab Prev Dial Delay Next 1 2 3 4 5 6 7 8 9 10 Prev Table C-8. Alarm Configuration Options 2DialOut Disab Next Enab Disab Prev Call Retry Disab Next Enab Disab Prev Next None 1 2 3 4 5 Prev Table C-8. Alarm Configuration Options 3 AlrmRelay Disab Next Enab Disab Prev Table C-8. Alarm Configuration Options 4 Table C-9. General Management Configuration Options 1 Management Configuration Options Table C-9. General Management Configuration Options 2 Access 1 Read Next Read R/W Prev Table C-9. General Management Configuration Options 3Access 2 Read Next Read R/W Prev CommunityName2 Next Edit Clear Prev NetMask Next Edit Clear Prev Table C-9. General Management Configuration Options 4Com IP Adr Next Edit Clear Prev Com NetMask Next Edit Clear Prev Modem IP Adr Next Edit Clear Prev Table C-9. General Management Configuration Options 5Mdm NetMask Next Edit Clear Prev Alt Mdm IP Adr Next Edit Clear Prev Modem Link PPP Next PPP Slip Prev Table C-9. General Management Configuration Options 6Aux IP Adr Next Edit Clear Prev Aux NetMask Next Edit Clear Prev Table C-9. General Management Configuration Options 7 Trapn IP Adr Next Edit Clear Prev Table C-10. Management Trap Configuration Options 1Num Trap Mgrs Next 1 2 3 4 5 6 Prev Gen Trap Both Next Disab Warm Auth Both Prev Table C-10. Management Trap Configuration Options 2Entp Trap Enab Next Enab Disab Prev Link Trap Both Next Disab Up Down Both Prev Trap I/F All Next NET DTE T1s Ports All Prev Table C-10. Management Trap Configuration Options 3 DTE Options Value Default in Bold Configuration WorksheetsNet Options Value Default in Bold General Options Value Default in Bold User Options Value Default in Bold Alarm Options Value Default in Bold Prt2 Options Value Default in Bold Prt1 Options Value Default in Bold Prt4 Options Value Default in Bold Prt3 Options Value Default in Bold Network Interface Network Channel Allocation DTE Drop/Insert DSX-1 Interface DTE DSX-1 Channel Allocation DTE Chan Config Assign N1 Voice RBS or Data Port Chan Conf Options Value Default in Bold Port Chan Conf Options Value Default in Bold General Mgmt Options Value Default in Bold Mgmt Trap Options Value Default in Bold Configuration Options February T1 Network Interface Table D-1. T1 Network Interface Connector Signal Pin NumberPin Assignments Figure D-1. T1 Line Interface Cable, RJ48C-to-RJ48C Figure D-3. DTE Drop/Insert DSX-1 Cable DTE Drop/Insert Interface Modem Port Interface Table D-3. Modem Port Interface Signal AUX Port Interface COM Port Interface Table D-6. COM Port Connector Signal Direction Pin Number Figure D-5. COM Port-to-PC Cable EIA-530-A Port Interface Connector Figure D-7. EIA-530-A-to-RS-449 Adapter EIA-530-A-to-RS-449 Cable Interface Table D-8. RS-449 Cable Interface Circuit Signal Mnemonic Number Direction Pin Figure D-8. EIA-530-A-to-V.35 Adapter EIA-530-A-to-V.35 Cable Interface 113 To DSU/CSU Timing DTE Source EIA-530-A-to-X.21 Cable Interface Pin P2 Serial Crossover CablePin Table D-11. DC Power Connector Signal Pin Number Power Input ConnectorOptional DC Power Cable External Clock Interface Table D-12. External Clock Connector Signal Pin Number MIB II RFC Snmp MIB Objects MIB II RFC System Group, MIB Interface Group, MIB System Group sysServices Object systemInterface Group ifNumber Object interfaces Interface Group ifIndex Object ifEntry DTE T1 Interface Group ifMtu Object ifEntry Interface Group ifDescr Object ifEntryInterface Group ifType Object ifEntry Interface Group ifSpeed Object ifEntry Interface Group ifAdminStatus Object ifEntry Interface Group ifLastChange Object ifEntry Interface Group ifOperStatus Object ifEntry Interface Group Input Counters objects ifEntry 10 to ifEntry IP Group ipForwarding Object ip IP Group, MIBIP Group ipAddrTable Object ip IP Group ipAdEntAddr Object ipAddrEntry IP Group ipRouteTable Object ip IP Group ipRouteIfIndex Object ipRouteEntry IP Group ipRouteDest Object ipRouteEntryIP Group ipRouteMetric2 Object ipRouteEntry IP Group ipRouteProto Object ipRouteEntry TCP Group, MIB Icmp Group, MIBUDP Group, MIB Transmission Group, MIB Near End Group, DS1/E1 MIB DS1/E1 MIB RFCSnmp Group, MIB Near End Group dsx1ValidIntervals Object dsx1ConfigEntry Near End Group dsx1TimeElapsed Object dsx1ConfigEntryNear End Group dsx1LineType Object dsx1ConfigEntry Near End Group dsx1LineCoding Object dsx1ConfigEntry Near End Group dsx1LoopbackConfig Object dsx1ConfigEntry Near End Group dsx1CircuitIdentifier Object dsx1ConfigEntryNear End Group dsx1LineStatus Object dsx1ConfigEntry Near End Group dsx1SignalMode Object dsx1ConfigEntry Near End Group dsx1Fdl Object dsx1ConfigEntry Near End Group The DS1 Total Table Objects dsx1TotalEntry Far End Group, DS1/E1 MIB Number of Ports rs232Number Object rs232 RS-232-like MIB RFCDS1 Fractional Group, DS1/E1 MIB General Port Table rs232PortIndex Object rs232PortEntry General Port Table, RS-232-like MIB General Port Table rs232PortOutSpeed Object rs232PortEntry General Port Table rs232PortType Object rs232PortEntryGeneral Port Table rs232PortInSpeed Object rs232PortEntry Asynchronous Port Table, RS-232-like MIB Input Signal Table rs232InSigName rs232InSigEntry Input Signal Table, RS-232-like MIBInput Signal Table rs232InSigState rs232InSigEntry Input Signal Table rs232InSigChanges rs232InSigEntry Output Signal Table rs232OutSigName rs232OutSigEntry Output Signal Table, RS-232-like MIBOutput Signal Table rs232OutSigState rs232OutSigEntry Output Signal Table rs232OutSigChanges rs232OutSigEntry Generic Interface Test Table, Generic Interface MIB Snmp MIB Objects Enterprise MIB Correlation between Menu Commands and Snmp Objects Dsx1CurrentES Dsx1TimeElapsedDsx1CurrentUAS Dsx1CurrentSES Set dsx1LoopbackConfig for Net T1 to dsx1NoLoop Set dsx1LoopbackConfig for Net T1 to dsx1LineLoopSet dsx1LoopbackConfig for Net T1 to dsx1PayloadLoop Set dsx1LoopbackConfig for DTE T1 to dsx1LineLoop Set/Display dsx1FracNumber and dsx1Fracifindex for DTE or Set/Display dsx1FracNumber and dsx1FracIfindex for DTE T1Display rs232PortInSpeed or rs232PortOutSpeed for port n Set/Display rs232PortInSpeed or rs232PortOutSpeed for COM Snmp MIB Objects February IP Network Addressing Scenarios Figure F-1. Daisy-Chained Standalone at the Central Site Scenario Figure F-2. Local Carrier with Remote Standalone 135 135 Figure F-5. Multiple COM Ports Connected to Different NMSs Front Panel Emulation Installing Front Panel Emulation Software Front Panel Emulation Starting Front Panel Emulation Front Panel Emulation Asynchronous Terminal Operation Before Using the Asynchronous Terminal Initiating an Asynchronous Terminal Session Figure H-1. Main Menu Screen Ending an Asynchronous Terminal Session Menu Organization Main Status Test Configuration ControlConfiguration Edit/Display Table H-1. Screen Function Keys Usage Using Asynchronous Terminal Screens Table H-2. Keyboard Keys Usage Field CustomerIdentification Figure H-4. Example of Display LEDs Screen Figure H-5. Configuration Load Screen Displaying or Editing Configuration Options Figure H-6. Configuration Edit/Display Screen Figure H-7. Configuration Save Screen Enable Figure H-8. Enabling a Password Figure H-9. Setting a Password Enter Figure H-10. Entering a Password Text Field , Clear EDL EDL EDL EDL Asynchronous Disable , DTRTerminal Text Field, Clear EDL1, EDL2 All Both Asynchronous Terminal Operation February Equipment List Equipment Feature Number Equipment List February 1in8 Test Series Carrier Acami allocation method GlossaryActiv Adapter address agent Snmp Aggregate Application Bipolar signal Bit Bit stuffing Block allocation method Bps Backup capability BandwidthByte Channel Configuration option ConfigurationDB15 connector DB25 connector Download Downstream device drop/insert Device digital signal diskette DL branchDS0 channel allocation DTE Drop/Insert interface Fault ErrorGet command EIA-530-A Interface ID branchInternet Internetwork Mbps menu tree Port 1-4 interface Power connector power-on self-testMIB II module MRU network network interface Node Object Snmp OOF option Protocol ResetPtrns branch Pulse density Server Set CommandStat branch StEvnt Loop Yellow AlarmVac Vdc IN-1 Index IN-2 IN-3 IN-4 IN-5 IN-6