User's Guide

Troubleshooting HyperFabric
Determining Whether a Switch is Faulty
Chapter 6
131
d. If the port is faulty, do not use it. Instead, use a known good port on that card/switch
module if one is available. If no good ports are available, replace that card/switch
module. Remember, though, that the integrated 8-port fibre card can be removed by
qualified Hewlett-Packard personnel only. The A6388A and A6389A switch modules
can be removed by you or qualified Hewlett-Packard personnel.
Step 5. If a fan is not running, the fan tray must be replaced by qualified HP personnel only.