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4. If you have a backup CF card, replace the current CF card with it to check whether the current CF
card fails. For more information, see the chapter “Replacement procedures.” After the replacement,
if the CFS LED is on, you can be sure that the previous CF card fails.
5. If the failure still exists, contact the local agents or technical support engineers.
Troubleshooting the PoE system
If the switch cannot supply power for a powered device (PD) attached to the switch, follow these steps to
troubleshoot the PoE system:
1. Make sure that you have set up the PoE system for the switch as follows: use the PoE-capable switch
and LPUs, use the PoE-capable power supply system, and configure the PoE dual-in-line memory
(DIMM) modules for LPUs except LSQ1GV48SD0 (also known as LSQM1GV48SD0). For more
information, see the chapter “Installing modules.”
2. Make sure that the PoE system can provide enough power for all attached PDs. For information
about the maximum PoE power consumption, see the chapter “Appendix A Hardware
specifications.”
3. Check that the cable that connects the switch to the PD is a straight-through cable.
4. Make sure that PoE-related configurations are correct. For how to configure PoE, see the related
configuration guide.
5. If the failure still exists, contact the local agents or technical support engineers.
Technical support
If the failures still exist, contact the agents or technical support engineers. Before contacting the customer
service, prepare the following information to help the agents solve the problem as quickly as possible:
• Arrival time of the switch
• Serial number of the chassis (located on a label on the right of the rear panel)
• Software version
• Maintenance agreement or warranty card
• Brief problem description
• Brief explanation of the troubleshooting measures that have been taken
You can contact the customer service through the H3C website, or email.
Website: http://www.h3c.com
E-mail: customer_service@h3c.com
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