Diagnosing Switch Indicators; Table 14: Troubleshooting Chart - Edge-Core ECS4510-28T Installation Manual

A
T
D
IAGNOSING

Table 14: Troubleshooting Chart

Symptom
Power LED is Off
Power LED is Amber
DIAG LED Flashing
Yellow
Link LED is Off
D P
IAGNOSING
The Power and RPU LEDs work in combination to indicate power status as
follows.
ROUBLESHOOTING
S I
WITCH NDICATORS
Action
◆
Check connections between the switch, the power cord and
the wall outlet.
◆
Contact your dealer for assistance.
◆
Internal power supply has failed. Contact your local 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.
P
OWER ROBLEMS WITH THE
LED
– 57 –
S