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Troubleshooting 4 - 3
1 Blink
(continued)
Link Failure
(continued)
Link Integrity
mismatch.
Make sure that
both ends of the
connection have
the same Link
Integrity setting.
2 Blinks Port
Partitioned
Faulty cable. Check cable with
cable tester.
Repair or replace
cable.
Network
overloaded.
Reassign users to
another network
to balance the load.
Off Ports
Disabled
Ports disabled. Enable ports.
24-Port Module
not powered up.
Check the
Controller Module
Power LEDs.
Broken LED. Press the LED test
button on the
Controller Module.
Bad 24-Port
Module.
Replace module.
Table 4-1. Troubleshooting Using the Port Status LEDs (Continued)
LED State Indication Possible Cause Corrective Action