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Prerequisites for ATM Troubleshooting
In order to determine the cause of a problem during installation of 6416SW and ATM
media modules or after turning ON the hub:
The correct microcode must be installed.
6416SW LEDs must function properly.
6416SW and ATM media modules must be plugged into the hub.
To ensure that these conditions are satisfied, follow these steps:
1. From the Distributed Management Module (DMM), enter show module 18.1 verbose
and verify that the level of the Fault-Tolerant Controller (RCTL) code is at least
v1.01. If it is not, the hub slots in which ATM media modules are installed may not
receive power.
2. Make sure that the 6416SW and ATM media modules are properly inserted in their
slots and are plugged into the connectors in the ATM backplane of the hub.
3. Verify that all 6416SW and ATM media LEDs are functioning properly by pressing
the LED Test button on the Fault-Tolerant Controller (RCTL) module. If one or
more LEDs on a 6416SW or ATM media module do not light ON, replace the
module(s).
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