Troubleshooting | HP 445 instruction

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Troubleshooting

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HP 445 manual Troubleshooting

Contents

HP AdvanceStack Routers Installation Guide Installation Guide Preface Preface Contents Troubleshooting Fddi Cable Attachment Configurations Installation and Initial Setup Installation Phase 1 Ensure that You Have a Complete Set of Accessories Smds individual address Phase 2 Prepare the Network T e Phase 3 Prepare the Router Hardware Mount the Router These models are 4.3 cm 1.7inches in height Single-Height Models These models are 8.9 cm 3.5 inches in height Double-Height Models Connect a Console Optional When Is a Console Necessary?To install a console Attach Network Cables Transceiver from supporting the weight of the router Connecting a LAN to the AUI Interface 10. Installing the AUI Retainer This manual Connecting a LAN to the BNC InterfaceTo avoid an electrical shock hazard due to an ungrounded or Improperly grounded LAN cable, ensure that the LAN cable is Each coaxial cable segment must be terminated with a 50-ohm Other side of the ‘‘T’’ connector 15. LAN 802.5 Token Ring Connection Connecting a LAN to the Token Ring Interface Connecting an Fddi Ring to the Fddi Interface 16. Connecting Fddi Without a Bypass Switch Installation Using an Optional Bypass Switch to Connect an Fddi Ring Connect the bypass cables to the Fddi ports as shown above Fddi ring, refer to the instructions for your bypass switchBypass switch Disconnect the router from any directly connected Fddi ring Equipment Connecting a WAN to the WAN InterfaceHand-tighten the screws attached to the cable connector Attach the male end of the cable to the router’s WAN port Plug In and Verify the Router Hardware Bridging mode due to some unforseen problem, there may beFirst time or clearing the router to the factory default Saved Correct ac voltage range for your power source Router’s console port, either directly or through a modem After the Self-test LED turns off Main menu screen then appears PasswordTroubleshooting Two or three times Phase 4 Initialize and Verify Router 24. The Main Menu Shortest Path to a Functioning Configuration Create or Modify a Router Configuration An Overview of Your Configuration Tools To boot the router now Boot the Router Press Y to commence the reboot operation Defaultconfig boot Return 26. The Copyright Screen If the router will operate as a Set the Correct Time and Date Optional Set Manager and User Passwords Optional At the prompt, type Setting a Password All networks can be reached by the router Verify Router InitializationThat the following two conditions exist Network links are operational 29. The Event Log Line in the Main Menu Examine the Event Log Phase 4 Initialize and Verify the Router 30. Example of the Statistics Screen Menu Following service statistics screens are available Examine the Bridging and Routing Tables Phase 4 Initialize and Verify the Router Destination Test Node AccessibilityTesting Node Accessibility Features and General Hardware Operation Features Router Ports Features Additional Features Example of Router Front Interpreting Front-Panel LEDs Fan outlet Interpreting Back-Panel LEDs Example of Port Status LEDs for an Fddi Port Meanings of Router Status LEDs Fault is always lit while the Reset button is pressed Net Fail Amber LED The Net Fail LEDs serve two functions Not all port types appear on all routers All Net Fail LEDs are lit while the Reset button is pressed Thru Fddi Port Optical Bypass Enabled green Testing the LEDs Location of the Reset and Clear Buttons LEDs for the error, and turn to , ‘‘Troubleshooting’’ To Reset the RouterResetting does not affect any current passwords When you press and release the Reset button there may be a To Clear the Manager and User Passwords To Clear the Router Again Reset-Clear combination erases the current configurationDisplay the Main menu -24 on Initialization Sequence Troubleshooting Introducing Router Troubleshooting Features Basic Troubleshooting Tips LED Error Patterns During Initialization Interpreting LED Error Patterns LED Error Patterns During Operation Error number General Procedure for Self-Test Failures Recoverable Self-Test Failures Non-Recoverable Self-Test Failures Verifying LED Operation on Other Router Models Verifying LED OperationVerifying LED Operation on the HP Router ER, TR, and SR Testing the Router Only Diagnostic Tests To test a LAN port 802.3/Ethernet or 802.5/token ring Testing the Router’s PortsTo test a WAN port To test the router’s console port Troubleshooting a Terminal or Modem ConnectionReset Speed Sensing To test an Fddi port Provider for further assistance Adjust Baud RateReset the Terminal Switch the terminal or PC’s power off and then on once Check the Configuration Loopback Connectors on page A-20Press the Reset button on the back of the router To resume after testing, remove the loopback connector Router’s port is faulty Switch that must be set to correspond to these requirementsInformation on the Xcvr Signal Polling parameter, refer to Loopback test switch, enable it for the test Tests from Other Devices Testing a Link Get cct.fddi-name.ieee.addr Return ∙ For Fddi circuits HP Router BR only Ping Ping x.x.x.x count Ping x.x.x.x count wait Ping Telnet Telnet Cables and Connectors Cables and Connectors HP Cables Cables and a Connectors Other Standard Cables Standard Cable or Cable Solution RS-232 Modem Cable-Minimum Pin-Outs Cable and Connector Pin-OutsRouter Console Port Connector Pin-Outs Terminal/PC end Router end Pin female Terminal or in your terminal emulation program Null-Modem Adapter for Use with Modem Cable-Minimum Pin-Outs AUI Cable-Minimum Pin-Outs Router AUI LAN Port Definition Pin male Circuit RS-449/422 WAN Cable-Minimum Pin-Outs WAN Cable-Minimum Pin-Outs WAN Cable-Minimum Pin-Out Maximum cable length is 15 meters 50 feet RS-232 WAN Cable-Minimum Pin-Outs Two test cables available are Back-to-Back Test Cables RDA For the pinouts of this cable, turn RDB and so on, must be twisted pairs of wire RDB, and so on must be twisted pairs of wire Router Token Ring/802.5 LAN Port Definition Pin Definition of Token Ring Connector Figure A-2. Fddi Bypass Mini DIN Connector Pinouts Fddi Optical Bypass DIN Connector Pinouts HP Part Number Figure A-3. Example of Fddi Cable Fddi Cable For a Token Ring/802.5 Port Loopback ConnectorsFor the Console Port For an AUI LAN Port For an Fddi Port HP part number FDDI-standard loopback connectorFor a WAN Port Modem Configuration HP 50759A Support Link HP 35031A Support LinkHP 37212B Support Link Black Box V.32 9600 Async Configuration ModemHayes 2400 Smartmodem Specifications Physical without brackets Power Consumption Acoustical for Germany SpecificationsEnvironmental Electromagnetic Emissions Cable Interfaces Specifications Data Communications Specifications Specifications Fddi Cable Attachment Configurations Fddi Cable Attachment Configurations Figure D-1. Example of Dual-Attach Station Connections Dual-Attach Station DAS Figure D-2. Example of Single-Attach Station Connections Single-Attach Station SAS Figure D-3. Example of Dual-Homed Connection Dual-Homed Connection Grounding Safety InformationSafety Symbols Safety Information Informations concernant la sécurité Symboles de sécurité Hinweise zur Sicherheit Sicherheitssymbole Simboli di sicurezza Considerazioni sulla sicurezza Símbolos de seguridad Consideraciones sobre seguridad Safety Information Regulatory Statements and Warranty Applies to HP Router PR, FR, TFR, LR, and BR European CommunityVcci Class 1 Japan Only For the HP Router PR/FR/TFR/LR/BR Declarations of Conformity Warranty Regulatory Statements Regulatory Statements and Warranty Three-Year Limited Hardware Warranty Regulatory Statements and Warranty Software or Firmware Warranty Index Index Time ...1-33 communications standards ...C-4 compatibility Index Fget Optical bypass not needed ...D-4 -- D-5 port testing See Fddi Modem ...1-10, 1-21, A-3 A-5, A-7, B-1 B-3 MIB variables Rx LED Safety Safety approvals ...C-4 Manager ...1-31, 1-35, 2-17 resetRemote signal & sense ...2-9, 3-5 remote terminal Resetting, caution ...3-14 restart Summary, installation SpecificationsSpeed sense, reset Time protocol service Weight ...C-2 Manual Part Number