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C
LEDs
T
ROUBLESHOOTING
If you encounter problems when using the Switch, this Appendix may
be helpful. If you have a problem which is not listed here or in the
release notes, please contact your local technical support representative.
Power LED does not light:
Check that the power cable is firmly connected to the device and to
the supply outlet.
Check the unit fuse. For information on changing the fuse, see
Appendix A.
On powering-up, the MGMT LED lights yellow:
The device has failed its Power On Self Test (POST) and you should
contact your supplier for advice.
A link is connected, but the Status LED does not light:
Check that:
All connections are secure
Cables are free from damage
The devices at both ends of the link are powered-up
Both ends of the gigabit link are set to the same auto-negotiation
state
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