Diagnosing Switch Indicators; Table 14: Troubleshooting - Alcatel-Lucent 7210 Installation Manual

Diagnosing Switch Indicators

Diagnosing Switch Indicators

Table 14: Troubleshooting

Symptom
Power Module LED is
OFF +12 VDC or AC
Power Module LED is
OFF +12 VDC
Critical LED is RED
Major LED is RED
Fan LED is RED
Status LED is Off or
AMBER
Link LED is Off
Management LED is
OFF
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This switch can be easily monitored through panel indicators to identify problems.
Table 14 describes common problems you may encounter and possible solutions.
Possible Cause
Power outlet, power cord, or
power module may be defective.
Power module may be defective.
Critical alarm detected.
Major alarm detected.
Fan failure.
Boot-up diagnostic program has
detected a problem.
Network cable or Ethernet device
attached to this port may be
defective.
Action
• If using a DC power supply module, check the
connections between the switch and the
external DC power supply. If using an AC
power module, 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.
• One or more critical system alarm(s) have
occurred.
• One or more major system alarm(s) have
occurred.
• One or more fans in the fan tray have failed.
Replace the fan tray.
• Power cycle the switch to try and clear the
condition.
• If the condition does not clear, contact your
local 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.
• 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.
7210 SAS-M Installation Guide