TROUBLESHOOTING CHECKLIST
TPXMIM Installation Guide
Page 45
4.4
TROUBLESHOOTING CHECKLIST
If your TPXMIM is not operating properly, the following checklist
describes some of the problems that may occur with the module, possible
causes for the problem, and suggestions for resolving the problem.
Table 4-2. Troubleshooting Checklist
Problem
Possible Causes
Recommended
Action
All LEDs are OFF.
Loss of Power to the
MMAC.
TPXMIM not properly
installed.
Check the proper
installation of the
MMAC power supply
module and its access
to a live outlet.
Check that the MMAC
has adequate power.
Some configurations,
especially those
including FDDI
modules, require that
the MMAC contain
more than one power
supply.
Check to see that the
power supply LEDs are
green.
Cannot assign the
TPXMIM board or
individual ports from
in-band management.
No link to device.
Refer to the Local
Management Guide for
the multichannel
management module
controlling the MMAC,
and ensure you are
using the MIB walking
tool properly.
Check link to device.
No power to an external
transceiver connected
to the EPIM port.
EPIM is defective.
EPIM cable is defective.
Replace EPIM.
Replace EPIM cable.
High number of
collisions on EPIM port.
External transceiver
has SQE enabled.
Disable SQE.