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26 Chapter2
Service Information
Troubleshooting Tools
Table 2-1 Troubleshooting Checklist
LED state Possible cause Solution
Power LED off No power applied to card Check power to HP-PB bus/system,
verify adapter is properly seated in
its slot.
Blown fuse Replace the adapter
Test LED on Driver has detected a fatal
hardware or software condition
Consult console and/or log files for
error messages. Retry the
operation. If necessary, contact HP
or replace the adapter.
Link LED off Card is not receiving link signals
from hub/switch
Verify link has been started by the
operator. If so, verify proper
configuration of the link and the
hub/switch port. Check/replace the
cable.
Activity LED off Card is not sending or receiving
data to/from the hub/switch
This condition is normal when the
link LED is off or when the hub is
not sending or receiving data
to/from the adapter. If you believe
data is being sent/received, check
the hub/switch port configuration,
and also the network and/or MAC
address configuration for the link.