Troubleshooting | HP 3162 guide

Monitoring and Testing

Troubleshooting

The DSU/CSU is designed to provide you with trouble-free service. However,

Table 5-8 gives you some direction if a problem occurs.

For problems other than those listed in the table, please contact your service representative.

Table 5-8. Troubleshooting (1 of 2)

Symptom	Possible Cause		Solutions

No power	1.	The power module is not	1.	Check the power module
		securely attached.		attachment.
	2.	The wall receptacle has	2.	Check the wall
		no power.		receptacle power by
				plugging in some
				equipment that is known
				to be working.

Power-On Self-Test fails	The DSU/CSU has		Contact your service
	detected an internal		representative.
	hardware failure.

Message LOS at	1.	Network cable problem.	1.	Check that the network
Network appears				cable is securely
				attached at both ends.
	2.	No signal is being	2.	Check the far-end status.
		transmitted at the far
		end.
	3.	Facility problem.	3.	Contact your facility
				provider.

Message LOS at DTE	1.	1.DTE Drop/Insert	1.	Check that the DTE
appears		(DSX-1) cable problem.		Drop/Insert (DSX-1)
				cable is securely
				attached at both ends.
	2.	No signal being	2.	Check the DTE status.
		transmitted from the
		DTE.

Message OOF at	1.	Incompatible framing	1.	Check that the framing
Network appears		format between the		format for the network
		network and the		interface is correct.
		DSU/CSU.
	2.	Network cabling	2.	Check that the network
		problem.		cable is securely
				attached at both ends.
	3.	Facility problem.	3.	Contact your facility
				provider.

3162-A2-GB20-40

August 2000

5-15

Image 79

HP 3162 manual Troubleshooting 1 Symptom Possible Cause Solutions

Contents

ACCULINK Document Feedback Warranty, Sales, Service, and Training InformationCopyright E 2000 Paradyne Corporation All rights reserved Trademarks Important Safety Instructions United States EMI Notice DSU/CSU Facility Interface Codes Description Government Requirements and Equipment Return United States Canada Contents Operation Iii Monitoring and Testing Configuration Options Equipment List Glossary Index Contents Vii About This GuideDocument Purpose and Intended Audience Document Summary Document Number Document Title Product-Related DocumentsViii Reference Documents About This Guide Introduction FeaturesOverview Asynchronous Terminal Interface Support Alarm Message CapabilityTelnet Access DTE Drop/Insert DSX-1 Interface DSU/CSU Front Panel Physical Description COM Port DSU/CSU Rear Panel Connectors Name Function Application Examples Installation Network Services Direct Connection Snmp or Telnet Connection Examples Connection through the 10BaseT Port Important Instructions Cabling Example Cabling Example Procedure Power-On Self-Test Front Panel LEDs Operation Network Interface LEDs Name Color Meaning System LEDs Name Color Meaning PDV DTE Drop/Insert DSX-1 Interface LEDs Name Color MeaningBPV Data Port LEDs Name Color Meaning Area Initiating an Asynchronous Terminal SessionEnding an Asynchronous Terminal Session Screen Recovering Asynchronous Terminal Operation Configuration Edit/Display Main Status Test Configuration ControlMenu Organization Screen Function Keys Usage Using Asynchronous Terminal Screens Keyboard Keys Usage Entering a Password Entering a Password to Gain Access Example of Display LEDs Screen Displaying LED Conditions Changing Configuration Options Configuration Load Screen Displaying or Editing Configuration Options Configuration Edit/Display Screen Saving Edit Changes Configuration Save Screen Operation Configuration Field Setting Customer IdentificationCustomer Identification Ethernet Port Options Screen Configuring the 10BaseT Port Configuring the COM Port for Snmp or Telnet Access Communication Port Options Screen Configuring the COM Port for Management Setting the IP Address Selecting the Link Layer Protocol Configuring DS0 Channels Example of Channel Allocation Network Channel Allocation Network Interface DTE Drop/Insert DSX-1 Interface DTE DSX-1 Channel Allocation DTE to Network DS0 Designations Meaning Displaying DS0 Channel Assignments NetChan Network DTE toAssignment DTE to Interface Options Screen Configuring DS0 Channels for Robbed Bit Signaling Procedure Clearing DS0 Channel Allocation Establishing Access Security on the COM Port Password Setting a PasswordRe-Enter Selecting the Timing Source 11. Common Clocking Configurations Providing Backup Capability Configuration Self-Test Results Monitoring and Testing Self-Test Results Message Description Health and Status Messages 1 Description Device Health and Status Health and Status Messages 2 Description Performance Reports SES UASBES Lofc CSS Ethernet Statistics Ethernet Port Status Field Description TTL IP Routing Table TTL IP Routing Table Field Description Alarms Snmp Traps Snmp Trap per Interface Trap Meaning Enterprise-Specific Trap Definitions Trap Value Event Troubleshooting 1 Symptom Possible Cause Solutions Troubleshooting Message OOF at DTE Troubleshooting 2 Symptom Possible Cause Solutions Test Jacks Test Jacks Test Jack Functions Test Jack Name Test Commands For Channels Remote Loopback TestsSending a Line Loopback Up or Down For Networks Sending a V.54 or Ansi FT1 Activation/Deactivation Sequence Local Loopback Tests 10. Valid Loopback Combinations Starting a Line Loopback Starting a DTE Loopback Starting a Payload Loopback Starting a Repeater Loopback Starting a Data Channel Loopback Aborting Loopbacks Starting a Data Terminal Loopback In-8 Network Port Test PatternsSending Network Qrss or Network 1-in-8 Test Patterns Network Qrss Port Monitoring Network Qrss Test Patterns Sending Port Qrss or Port 511 Test PatternsMonitoring Port Qrss or Port 511 Test Patterns Aborting a Lamp Test Lamp TestAborting Test Patterns Starting a Lamp Test 12. Test Status Messages Description Displaying DSU/CSU Test Status Monitoring and Testing Asynchronous Terminal Menu Asynchronous Terminal Menu Technical Specifications Approvals Physical DimensionsWeight Port Interface Configuration Options AMI B8ZS Network Interface Configuration OptionsTable C-1. Network Interface Configuration Options 1 D4 ESF Network Initiated PLB Enable Enable Disable Table C-1. Network Interface Configuration Options 2Ansi Performance Report Messages Disable Enable Disable Network Initiated LLB Enable Enable Disable Table C-2. DTE Interface Configuration Options 1 DTE Interface Configuration Options RBS RBS RBS RBS RBS RBS RBS RBS RBS Table C-2. DTE Interface Configuration Options 2Value Meaning Port Base Rate Nx64 Nx64 Nx56 Sync Data Port Configuration OptionsTable C-3. Sync Data Port Configuration Options 1 Port Type E530 Factory 1 V.35 Factory RS449 Invert Transmit Clock Disable Enable Disable Table C-3. Sync Data Port Configuration Options 2Embedded Data Link Disable Enable Disable EDL Management Link Disable Enable Disable Action on Network Yellow Alarm Halt None Halt Table C-3. Sync Data Port Configuration Options 3 Far-End Performance Statistics Disable Disable Maintain Table C-3. Sync Data Port Configuration Options 4 Table C-3. Sync Data Port Configuration Options 5 DTE01 DTE02 DTE03 DTE04 DTE05 DTE06 DTE07 DTE08 DTE24 Cross Connect Configuration OptionsDTE-to-Network Assignment Options Table C-4. DTE-to-Network Assignment Options Table C-5. Sync Data Port Assignment Options 1 Sync Data Port Assignment Options Table 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 3 Table C-6. General Configuration Options 1 General Configuration Options External Clock Rate KHz 1544 2048 1544 Table C-6. General Configuration Options 2 Communication 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 Escape Sequence Text Field Table C-8. External Device Configuration Options 2Connect Prefix Text Field Connect Indication String Text Field Escape 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 Options Alarm & Trap Dial-Out Disable Enable Disable Alarm and Trap Configuration OptionsTable C-11. Alarm and Trap Configuration Options 1 Ascii Alarm Messages Disable Disable Com Port Alternate Dial-Out Directory None None 1 2 3 4 Table C-11. Alarm and Trap Configuration Options 2Call Retry Disable Enable Disable Dial Out Delay Time min 3 4 5 6 7 8 9 Node IP Address Text Field Management and Communication Configuration OptionsCommunication Protocol Configuration Options Table C-12. Communication Protocol Configuration Options 1 PPP Slip Table C-12. Communication Protocol Configuration Options 2 Table C-13. General Snmp Management Configuration Options General Snmp Management Configuration Options Table C-14. Snmp NMS Security Configuration Options Snmp NMS Security Configuration Options Number of Trap Managers 1 1 2 3 4 5 Snmp Traps Configuration OptionsTable C-15. Snmp Traps Configuration Options 1 Snmp Traps Disable Enable Disable Link Traps Both Disable Up Down Both Table C-15. Snmp Traps Configuration Options 2General Traps Both Disable Warm AuthFail Both Enterprise Specific Traps Enable Enable Disable Link Trap Interfaces All Network DTE T1s Ports All Table C-15. Snmp Traps Configuration Options 3 Network 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 User Interface External Device Options Disable , DTRGeneral Options User Interface Communication Port Management and Communication Communication Protocol Options Alarm and Trap Configuration OptionsUser Interface Telnet Sessions Options User Interface Ethernet Port Options Snmp 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 Interface Use Pin # 10BaseT Connector COM Port Interface Table D-3. COM Port Connector Signal Direction Pin Number Figure 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 Adapter Pin Assignments Figure D-8. EIA-530-A-to-V.35 Adapter EIA-530-A-to-V.35 Adapter Pin Assignments Direction Pin Number EIA-530-A-to-X.21 Adapter External Clock Interface Table D-8. External Clock Connector Signal Pin Number MIB II RFC Snmp MIB ObjectsGroup System Group, MIB System Group sysLocation Object system System Group sysServices Object systemInterface Group, MIB System Group sysName Object system Interface Group ifDescr Object ifEntry Interface Group ifIndex Object ifEntry Interface Group ifSpeed Object ifEntry Interface Group ifAdminStatus Object ifEntryInterface Group ifType Object ifEntry Interface Group ifMtu Object ifEntry Interface Group ifLastChange Object ifEntry Interface Group ifOperStatus Object ifEntry Interface Group Input Counters objects ifEntry 10 to ifEntry IP Group, MIB IP Group ipAdEntIfIndex Object ipAddrEntry IP Group ipForwarding Object ipIP Group ipAddrTable Object ip IP Group ipAdEntAddr Object ipAddrEntry IP Group ipRouteIfIndex Object ipRouteEntry IP Group ipRouteDest Object ipRouteEntry TCP Group, MIB Icmp Group, MIBUDP Group, MIB Transmission Group, MIB DS1/E1 MIB RFCSnmp Group, MIB Near End Group dsx1LineCoding Object dsx1ConfigEntry Near End Group dsx1TimeElapsed Object dsx1ConfigEntryNear End Group dsx1ValidIntervals Object dsx1ConfigEntry Near End Group dsx1LineType Object dsx1ConfigEntry Near 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 dsx1ConfigEntry Near 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 rs232PortIndex Object rs232PortEntry RS-232-like MIB RFCGeneral Port Table, RS-232-like MIB Number of Ports rs232Number Object rs232 General 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 rs232InSigChanges rs232InSigEntry Input Signal Table, RS-232-like MIBInput Signal Table rs232InSigName rs232InSigEntry Input Signal Table rs232InSigState rs232InSigEntry Output Signal Table rs232OutSigChanges rs232OutSigEntry Output Signal Table, RS-232-like MIBOutput Signal Table rs232OutSigName rs232OutSigEntry Output Signal Table rs232OutSigState rs232OutSigEntry Generic Interface Test Table, Generic Interface MIB 3162-A2-GB20-40 August Enterprise MIB IP Network Addressing Scenario Network Standalone at the Central Site Figure F-2. Local Carrier with Remote Standalone Local Carrier with Remote Standalone Figure F-3. Local Carrier Connected to Remote Carriers Local and Remote Carriers Different Subnets Local and Remote Carriers Same Subnet Figure F-5. Multiple COM Ports Connected to Different NMSs Multiple NMSs Equipment List Equipment Feature Number Equipment List GL-1 Glossary GL-2 GL-3 GL-4 GL-5 GL-6 GL-7 GL-8 Numbers Index Index IN-2 IN-3 IN-4 IN-5