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A
T
ROUBLESHOOTING
D
IAGNOSING
S
WITCH
I
NDICATORS
Table 10: Troubleshooting Chart
Symptom
Action
PWR LED is Off
Power supply is disconnected.
Check connections between the switch, the power cord,
and the wall outlet.
Contact your dealer for assistance.
DIAG LED is Off
Power cycle the switch to try and clear the condition.
If the condition does not clear, contact your dealer for
assistance.
Link/ACT LED is Off
Verify that the switch and attached device are powered
on.
Be sure the cable is plugged into both the switch and
corresponding device.
Verify that the proper cable type is used and its length
does not exceed specified limits.
Check the adapter on the attached device and cable
connections for possible defects. Replace the defective
adapter or cable if necessary.