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A-2
A
A: T
PPENDIX
ROUBLE
RN/FL LED
Diagnostics
Critical Failure
Debug Procedure
C
T
LEARING AND
ECHNICAL
This table provides information on trouble clearing problems that may
occur at power-up.
At power-up, the LEDs will be solid red for a short time. This is a normal
condition.
Symptom
RN/FL is solid green
RN/FL is solid red
RN/FL is flashing red
and green
RN/FL is not lit
Follow this procedure if you suspect a critical failure at start-up.
1 Pull the HiPer NMC NAC forward to unplug it from the midplane.
2 Reseat the card.
Check to see if the RN/FL LED turns green. If reseating the NAC does not
solve the problem, contact 3Com Technical Support.
S
PECIFICATIONS
Cause
The condition is
No action required.
normal.
There is a critical
Reinstall the 486 NMC and refer to the
Critical failure debug procedure in this
failure.
appendix.
There is no NIC
Install the NIC. Refer to the appropriate
Getting Started Guide.
installed behind
the HiPer NMC
Note: If the NIC is installed after the
NAC.
NMC, reboot the NMC by removing and
reseating the NMC card.
There is no
1 Make sure the NMC is installed
power to the
NAC.
2 Make sure the chassis is powered on.
3 Make sure power supply status LED is
Trouble Clearing
properly.
green.
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