3Com MSH 1005, User Manual

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DUA1840-0AAA01
6-2 C
H A P T E R
6: P
R O B L E M
S
O L V I N G
Identifying Fault Conditions with the LEDs
The following table shows how you can identify possible fault
conditions that may occur during normal operation. It also describes
actions that may resolve the problem:
If you cannot solve the problem, contact your local supplier, or proceed
as described in Appendix C .
LED Color Indicates Try the following actions
PWR
(Power)
Off Power is not reaching the module
■
Check that the Power LED on the
MSH chassis is not lit red. If it is,
refer to your chassis user
documentation.
■
Ensure the MSH chassis is
powered-up correctly with all
power leads securely connected.
■
Ensure the module is fully
engaged into the chassis.
■
Contact your supplier for advice.
Faulty LED
■
Test LEDs to confirm.
Amber Fault occurred on this module
during POST or normal operation
BACKPLANE
E, FE
Off Fault
Faulty LED
■
Ensure module is fully engaged
into chassis and the backplane
connectors are fully mated.
■
Test LEDs to confirm.
1 - 12
(External port
status)
Off Fault
■
Check all connections are secure.
■
Check all cables and connectors
for signs of damage.