Extreme networks Summit1 Manuale Utente

Pagina di 227
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