Problems with LEDs on Expansion Unit Modules
Before trying to diagnose a problem with the Expansion Unit modules, make sure that all modules are
properly inserted in their slots and are plugged into the connectors in the ATM backplane.
No LED is ON.
Steps to Take:
1. This is the default behavior when you install an Expansion Unit module that has never been configured. All ports
are disabled so the LEDs are OFF.
2. Module is not connected to the backplane correctly. Unplug the module, then plug it back in carefully. When you
feel that the module is almost inserted, use the levers to push it in completely.
3. Press the RESET button on the Base Unit to check that all LEDs on all Expansion Unit modules are functioning
properly.
4. Ports not enabled. From the console, check that the module is working correctly by issuing the SHOW MODULE
and SHOW PORT commands.
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IBM 8285 Nways ATM Workgroup Switch:
Installation and User’s Guide
Содержание 8285 Nways
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