64
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.
Unit fails, no SNMP fan failure message is received
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
Appendix C
.
4
Power cycle the unit. If a further thermal shutdown occurs, and all
environmental conditions are satisfactory, return the unit to 3Com.
Error message indicating that the SFP transceiver is invalid
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
“Approved SFP Transceivers”
on
page 31
.
Error message indicating that the SFP transceiver is faulty
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.
Solving
Communication
Problems
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
Содержание 5500-EI PWR
Страница 12: ...12 ABOUT THIS GUIDE DUA1715 0AAA02 book Page 12 Wednesday March 23 2005 11 17 AM ...
Страница 56: ...50 CHAPTER 3 SETTING UP FOR MANAGEMENT DUA1715 0AAA02 book Page 50 Wednesday March 23 2005 11 17 AM ...
Страница 80: ...80 CHAPTER 6 UPGRADING SOFTWARE DUA1715 0AAA02 book Page 80 Wednesday March 23 2005 11 17 AM ...
Страница 100: ...100 APPENDIX A SAFETY INFORMATION DUA1715 0AAA02 book Page 100 Wednesday March 23 2005 11 17 AM ...
Страница 104: ...104 APPENDIX B PIN OUTS DUA1715 0AAA02 book Page 104 Wednesday March 23 2005 11 17 AM ...
Страница 110: ...110 APPENDIX C TECHNICAL SPECIFICATIONS DUA1715 0AAA02 book Page 110 Wednesday March 23 2005 11 17 AM ...
Страница 118: ...DUA1715 0AAA02 book Page 118 Wednesday March 23 2005 11 17 AM ...