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HP 3162 manual Starting a Line Loopback, Valid Loopback Combinations

Models: 3162

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Monitoring and Testing

Table 5-10. Valid Loopback Combinations

	LLB	PLB	DLB	RLB	DCLB	DTLB

LLB	N/A	NO	YES	YES	NO	YES

PLB	NO	N/A	YES	NO	NO	YES

DLB	YES	YES	N/A	NO	YES	YES

RLB	YES	NO	NO	N/A	NO	YES

DCLB	NO	NO	YES	NO	YES	YES
					(on	(on
					separate	separate
					ports)	ports)

DTLB	YES	YES	YES	YES	YES	YES
					(on	(on
					separate	separate
					ports)	ports)

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 Main Menu screen, select Test.

2.From the Test screen, select Network & DTE Tests.

3.For the Line Loopback command (under Local Loopbacks), select Start.

3162-A2-GB20-40

August 2000

5-21

Image 85

HP 3162 manual Starting a Line Loopback, Valid Loopback Combinations

Contents

ACCULINK Copyright E 2000 Paradyne Corporation All rights reserved Warranty, Sales, Service, and Training InformationTrademarks Document FeedbackImportant Safety Instructions United States EMI Notice DSU/CSU Facility Interface Codes Description Government Requirements and Equipment Return United StatesCanada Contents Operation Iii Monitoring and TestingConfiguration Options Equipment List Glossary Index Contents Document Purpose and Intended Audience About This GuideDocument Summary ViiDocument Number Document Title Product-Related DocumentsViii Reference Documents About This Guide Introduction FeaturesOverview Telnet Access Alarm Message CapabilityDTE Drop/Insert DSX-1 Interface Asynchronous Terminal Interface SupportDSU/CSU Front Panel Physical DescriptionCOM Port DSU/CSU Rear Panel Connectors Name FunctionApplication Examples InstallationNetwork Services Direct Connection Snmp or Telnet Connection ExamplesConnection through the 10BaseT Port Important InstructionsCabling Example Cabling ExampleProcedure Power-On Self-TestFront Panel LEDs OperationNetwork Interface LEDs Name Color Meaning System LEDs Name Color MeaningPDV DTE Drop/Insert DSX-1 Interface LEDs Name Color MeaningBPV Data Port LEDs Name Color Meaning Ending an Asynchronous Terminal Session Initiating an Asynchronous Terminal SessionScreen AreaRecovering Asynchronous Terminal Operation Configuration Edit/Display Main Status Test Configuration ControlMenu Organization Screen Function Keys Usage Using Asynchronous Terminal ScreensKeyboard Keys Usage Entering a Password Entering a Password to Gain AccessExample of Display LEDs Screen Displaying LED ConditionsChanging Configuration Options Configuration Load Screen Displaying or Editing Configuration OptionsConfiguration Edit/Display Screen Saving Edit Changes Configuration Save ScreenOperation Configuration Customer Setting Customer IdentificationIdentification FieldEthernet Port Options Screen Configuring the 10BaseT PortConfiguring the COM Port for Snmp or Telnet Access Communication Port Options Screen Configuring the COM Port for ManagementSetting the IP Address Selecting the Link Layer Protocol Configuring DS0 Channels Example of Channel Allocation Network Channel Allocation Network InterfaceDTE Drop/Insert DSX-1 Interface DTE DSX-1 Channel Allocation DTE to Network DS0 Designations Meaning Displaying DS0 Channel AssignmentsNetChan Network DTE toAssignment DTE to Interface Options Screen Configuring DS0 Channels for Robbed Bit SignalingProcedure Clearing DS0 Channel Allocation Establishing Access Security on the COM Port Password Setting a PasswordRe-Enter Selecting the Timing Source 11. Common Clocking ConfigurationsProviding Backup Capability Configuration Self-Test Results Monitoring and TestingSelf-Test Results Message Description Health and Status Messages 1 Description Device Health and StatusHealth and Status Messages 2 Description Performance Reports SES UASBES Lofc CSSEthernet Statistics Ethernet Port Status Field Description TTL IP Routing TableTTL IP Routing Table Field DescriptionAlarms Snmp Traps Snmp Trap per Interface Trap Meaning Enterprise-Specific Trap Definitions Trap Value EventTroubleshooting 1 Symptom Possible Cause Solutions TroubleshootingMessage OOF at DTE Troubleshooting 2 Symptom Possible Cause SolutionsTest Jacks Test JacksTest Jack Functions Test Jack Name Test CommandsSending a Line Loopback Up or Down Remote Loopback TestsFor Networks For ChannelsSending a V.54 or Ansi FT1 Activation/Deactivation Sequence Local Loopback Tests10. Valid Loopback Combinations Starting a Line LoopbackStarting a DTE Loopback Starting a Payload LoopbackStarting a Repeater Loopback Starting a Data Channel Loopback Aborting Loopbacks Starting a Data Terminal LoopbackSending Network Qrss or Network 1-in-8 Test Patterns Test PatternsNetwork Qrss Port In-8 Network PortMonitoring Network Qrss Test Patterns Sending Port Qrss or Port 511 Test PatternsMonitoring Port Qrss or Port 511 Test Patterns Aborting Test Patterns Lamp TestStarting a Lamp Test Aborting a Lamp Test12. Test Status Messages Description Displaying DSU/CSU Test StatusMonitoring and Testing Asynchronous Terminal Menu Asynchronous Terminal Menu Technical Specifications Weight Physical DimensionsPort Interface ApprovalsConfiguration Options Table C-1. Network Interface Configuration Options 1 Network Interface Configuration OptionsD4 ESF AMI B8ZSAnsi Performance Report Messages Disable Enable Disable Table C-1. Network Interface Configuration Options 2Network Initiated LLB Enable Enable Disable Network Initiated PLB Enable Enable DisableTable C-2. DTE Interface Configuration Options 1 DTE Interface Configuration OptionsRBS RBS RBS RBS RBS RBS RBS RBS RBS Table C-2. DTE Interface Configuration Options 2Value Meaning Table C-3. Sync Data Port Configuration Options 1 Sync Data Port Configuration OptionsPort Type E530 Factory 1 V.35 Factory RS449 Port Base Rate Nx64 Nx64 Nx56Embedded Data Link Disable Enable Disable Table C-3. Sync Data Port Configuration Options 2EDL Management Link Disable Enable Disable Invert Transmit Clock Disable Enable DisableAction on Network Yellow Alarm Halt None Halt Table C-3. Sync Data Port Configuration Options 3Far-End Performance Statistics Disable Disable Maintain Table C-3. Sync Data Port Configuration Options 4Table C-3. Sync Data Port Configuration Options 5 DTE-to-Network Assignment Options Cross Connect Configuration OptionsTable C-4. DTE-to-Network Assignment Options DTE01 DTE02 DTE03 DTE04 DTE05 DTE06 DTE07 DTE08 DTE24Table C-5. Sync Data Port Assignment Options 1 Sync Data Port Assignment OptionsTable C-5. Sync Data Port Assignment Options 2 D01 D02 D03 D04 D05 D06 D07 D08 D24 Table C-5. Sync Data Port Assignment Options 3Table C-6. General Configuration Options 1 General Configuration OptionsExternal Clock Rate KHz 1544 2048 1544 Table C-6. General Configuration Options 2Communication Port Configuration Options User Interface Configuration OptionsTable C-7. Communication Port Configuration Options 1 Table C-7. Communication Port Configuration Options 2 Table C-7. Communication Port Configuration Options 3 External Device Configuration OptionsTable C-8. External Device Configuration Options 1 Connect Prefix Text Field Table C-8. External Device Configuration Options 2Connect Indication String Text Field Escape Sequence Text FieldEscape Sequence Delay sec None None 0.2 0.4 0.6 0.8 Table C-8. External Device Configuration Options 3Disconnect String Text Field Table C-9. Telnet Sessions Configuration Options Telnet Sessions Configuration OptionsTelnet Session Disable Enable Disable Table C-10. Ethernet Port Configuration Options Ethernet 10BaseT Port Configuration OptionsTable C-11. Alarm and Trap Configuration Options 1 Alarm and Trap Configuration OptionsAscii Alarm Messages Disable Disable Com Port Alarm & Trap Dial-Out Disable Enable DisableCall Retry Disable Enable Disable Table C-11. Alarm and Trap Configuration Options 2Dial Out Delay Time min 3 4 5 6 7 8 9 Alternate Dial-Out Directory None None 1 2 3 4Communication Protocol Configuration Options Management and Communication Configuration OptionsTable C-12. Communication Protocol Configuration Options 1 Node IP Address Text FieldPPP Slip Table C-12. Communication Protocol Configuration Options 2Table C-13. General Snmp Management Configuration Options General Snmp Management Configuration OptionsTable C-14. Snmp NMS Security Configuration Options Snmp NMS Security Configuration OptionsTable C-15. Snmp Traps Configuration Options 1 Snmp Traps Configuration OptionsSnmp Traps Disable Enable Disable Number of Trap Managers 1 1 2 3 4 5General Traps Both Disable Warm AuthFail Both Table C-15. Snmp Traps Configuration Options 2Enterprise Specific Traps Enable Enable Disable Link Traps Both Disable Up Down BothLink Trap Interfaces All Network DTE T1s Ports All Table C-15. Snmp Traps Configuration Options 3Network Interface Options Configuration WorksheetsDTE Interface Options Sync Data Port Options Port Sync Data Port Options Port Network Interface Network Channel Allocation DTE Drop/Insert DSX-1 Interface DTE DSX-1 Channel Allocation DTE Signaling Assign N1 Voice RBS or Data Channel Sync Data Port OptionsAcami General Options Disable , DTRUser Interface Communication Port User Interface External Device OptionsUser Interface Telnet Sessions Options Alarm and Trap Configuration OptionsUser Interface Ethernet Port Options Management and Communication Communication Protocol OptionsSnmp NMS Security Options Management and CommunicationSnmp Traps Options Pin Assignments Table D-1. T1 Network Interface Connector Signal Pin NumberT1 Network Interface Figure D-1. T1 Line Interface Cable, RJ48C-to-RJ48C Figure D-3. DTE Drop/Insert DSX-1 Cable DTE Drop/Insert InterfaceUse Pin # 10BaseT ConnectorCOM Port Interface Table D-3. COM Port Connector Signal Direction Pin NumberFigure D-4. COM Port-to-PC Cable Pin Serial Crossover CablePin P2 EIA-530-A Port Interface Connector Figure D-7. EIA-530-A-to-RS-449 Adapter EIA-530-A-to-RS-449 AdapterPin Assignments Figure D-8. EIA-530-A-to-V.35 Adapter EIA-530-A-to-V.35 AdapterPin Assignments Direction Pin Number EIA-530-A-to-X.21 AdapterExternal Clock Interface Table D-8. External Clock Connector Signal Pin NumberMIB II RFC Snmp MIB ObjectsGroup System Group, MIB Interface Group, MIB System Group sysServices Object systemSystem Group sysName Object system System Group sysLocation Object systemInterface Group ifDescr Object ifEntry Interface Group ifIndex Object ifEntryInterface Group ifType Object ifEntry Interface Group ifAdminStatus Object ifEntryInterface Group ifMtu Object ifEntry Interface Group ifSpeed Object ifEntryInterface Group ifLastChange Object ifEntry Interface Group ifOperStatus Object ifEntryInterface Group Input Counters objects ifEntry 10 to ifEntry IP Group, MIBIP Group ipAddrTable Object ip IP Group ipForwarding Object ipIP Group ipAdEntAddr Object ipAddrEntry IP Group ipAdEntIfIndex Object ipAddrEntryIP Group ipRouteIfIndex Object ipRouteEntry IP Group ipRouteDest Object ipRouteEntryTCP Group, MIB Icmp Group, MIBUDP Group, MIB Transmission Group, 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 dsx1ConfigEntryNear End Group dsx1CircuitIdentifier Object dsx1ConfigEntry Near End Group dsx1SendCode Object dsx1ConfigEntryNear End Group dsx1LoopbackConfig Object dsx1ConfigEntry Near End Group dsx1SignalMode Object dsx1ConfigEntry Near End Group dsx1LineStatus Object dsx1ConfigEntryNear End Group dsx1Fdl Object dsx1ConfigEntry DS1 Fractional Group, DS1/E1 MIB Far End Group, DS1/E1 MIBNear End Group The DS1 Total Table Objects dsx1TotalEntry General Port Table, RS-232-like MIB RS-232-like MIB RFCNumber of Ports rs232Number Object rs232 General Port Table rs232PortIndex Object rs232PortEntryGeneral Port Table rs232PortInSpeed Object rs232PortEntry General Port Table rs232PortType Object rs232PortEntryGeneral Port Table rs232PortOutSpeed 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 rs232InSigEntryOutput Signal Table rs232OutSigName rs232OutSigEntry Output Signal Table, RS-232-like MIBOutput Signal Table rs232OutSigState rs232OutSigEntry Output Signal Table rs232OutSigChanges rs232OutSigEntryGeneric Interface Test Table, Generic Interface MIB 3162-A2-GB20-40 August Enterprise MIB IP Network Addressing Scenario Network Standalone at the Central SiteFigure F-2. Local Carrier with Remote Standalone Local Carrier with Remote StandaloneFigure F-3. Local Carrier Connected to Remote Carriers Local and Remote Carriers Different SubnetsLocal and Remote Carriers Same Subnet Figure F-5. Multiple COM Ports Connected to Different NMSs Multiple NMSsEquipment List Equipment Feature NumberEquipment List GL-1 GlossaryGL-2 GL-3 GL-4 GL-5 GL-6 GL-7 GL-8 Numbers IndexIndex IN-2IN-3 IN-4 IN-5