H3C S12500 Quick Start Manual
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H3C S12500 Quick Start Manual

H3C S12500 Quick Start Manual

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Contents
Troubleshooting ···························································································································································· 1
Configuration terminal problems ····································································································································· 1
No terminal display ················································································································································· 1
Garbled terminal display ········································································································································· 1
Power supply system failure ············································································································································· 2
Power monitoring module········································································································································ 2
Power supplies ·························································································································································· 2
Fan failure ·········································································································································································· 4
MPU failure ········································································································································································ 4
LPU failure ·········································································································································································· 5
Switching fabric module failure ······································································································································· 5
Interface failure ·································································································································································· 6
Technical support ······························································································································································ 6
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Summary of Contents for H3C S12500

  • Page 1 Contents Troubleshooting ···························································································································································· 1   Configuration terminal problems ····································································································································· 1   No terminal display ················································································································································· 1   Garbled terminal display ········································································································································· 1   Power supply system failure ············································································································································· 2   Power monitoring module········································································································································ 2   Power supplies ·························································································································································· 2   Fan failure ··········································································································································································...
  • Page 2 Troubleshooting This chapter describes how to troubleshoot the S12500 switch installation failures. The power supply system, fans, and cards of an S12500 switch have multiple LEDs, through which you can locate the failures. Configuration terminal problems If the configuration environment setup is correct, the configuration terminal displays booting information when the switch is powered on.
  • Page 3 Unplug and then plug the power monitoring module. If the RUN LED is still off, replace the power monitoring module. If the RUN LED is still off, contact H3C Technical Support for help. Power supplies Figure 1 LEDs on an AC power supply...
  • Page 4 Figure 2 LEDs on a DC power supply (1) Input status LED (2) Output status LED (3) Over-temperature alarm LED (4) Fault LED Table 2 Power supply LED description Status Description Steady on The power is input properly. Input status LED No power is input.
  • Page 5 Fan failure Table 3 Fan LED description Status Description The fan tray has failed. Flashing The fan tray is operating properly. The fan tray is in a normal state. Flashing The fan tray is faulty. Steady on The fan tray is faulty. When the RUN LED is off or the ALM LED is on or flashing, the fan has failed.
  • Page 6 To troubleshoot the MPU: Verify that the power supply is operating properly. For more information, see "Power supply system failure." Press the RESET button of the MPU to reset the MPU. After the MPU is reset, verify that the corresponding RUN LED flashes green. Verify that the MPU is fully seated.
  • Page 7 Verify that the MPU is operating properly. For more information, see "MPU failure." Use the display device command to verify that the software version is compatible with the switching fabric module in the current slot. If the software version is incompatible with the switching fabric module, upgrade the software to a compatible version.
  • Page 8 • • Brief problem description Brief explanation of the troubleshooting measures that have been taken • You can contact the customer service through the customer service hotline, the H3C website, or email. Customer service hotline: 400-810-0504 Website: http://www.h3c.com E-mail: service@h3c.com...

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