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A
T
D
IAGNOSING
Table 11: Troubleshooting Chart
Symptom
PWR LED is Off
DIAG LED Flashing
Yellow
Link LED is Off
ROUBLESHOOTING
S
I
WITCH
NDICATORS
Action
◆
Check connections between the switch, the power cord and
the wall outlet.
◆
Contact your dealer for assistance.
◆
Power cycle the switch to try and clear the condition.
◆
If the condition does not clear, contact your dealer for
assistance.
◆
Verify that the switch and attached device are powered on.
◆
Be sure the cable is plugged into both the switch and
corresponding device.
◆
If the switch is installed in a rack, check the connections to
the punch-down block and patch panel.
◆
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.
– 63 –
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Table of Contents
Troubleshooting
