Troubleshooting, Leds, Roubleshooting – Extreme Networks Summit1 User Manual
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S
UMMIT
S
WITCH
I
NSTALLATION
AND
U
SER
G
UIDE
C-1
C
Troubleshooting
If you encounter problems when using the switch, this appendix may be helpful. If you
have a problem not listed here or in the release notes, contact your local technical
support representative.
LED
S
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
.
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 autonegotiation state.
Summit.bk : CTRBLSHT.FM Page 1 Thursday, June 18, 1998 9:27 AM