3com 5500-ei pwr Guía De Instalación Rápida

C

HAPTER

 5: P

ROBLEM

 S

OLVING

3 Power cycle the unit. To do this, remove and reconnect the AC mains 

supply. If the unit has no AC main supply, remove and reconnect the DC 
RPS supply.

4 If another fan failure warning message is generated via the Command 

Line Interface or the Web interface, return the unit to 3Com.

1 Power cycle the unit. To do this, remove and reconnect the AC mains 

supply. If the unit has no AC mains supply, remove and reconnect the DC 
RPS supply.

2 Check the command line interface (display logbuffer command) 

to determine whether a thermal shutdown has occurred.

3 If no, return the unit:

If yes, check that:

■

The air vents are not obstructed.

■

The ambient temperatures and environmental conditions meet those 
specified in 

.

4 Power cycle the unit. If a further thermal shutdown occurs, and all 

environmental conditions are satisfactory, return the unit to 3Com.

The Switch has identified that the SFP does not meet the minimum 
requirements for the Switch and has disabled the port. To correct this 
problem, completely remove the SFP and replace it with a 3Com 
approved SFP. See 

 on 

To correct this problem, completely remove the SFP and then reinsert it. 
Alternatively, insert another identical SFP. If the problem persists, contact 
3Com Technical Support.

If you experience communication problems with the Switch, ensure that:

■

The Switch IP address and Management VLAN ID has been 
configured.

DUA1715-0AAA02.book  Page 64  Wednesday, March 23, 2005  11:17 AM