Installation guide

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A TROUBLESHOOTING
DIAGNOSING SWITCH INDICATORS
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.
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.