Chapter 1      Product Overview
Voice-Related Modules
1-78
Catalyst 6500 Series Switch Module Installation Guide
78-15725-02
Ta b l e 1 - 1 9 C M M  S TAT U S  L E D
Color/State Description
Off
• The module is waiting for the supervisor engine to turn 
on power.
• The module is not online.
• The module is not receiving power, which could be 
caused by the following:
–
Power is not available to the module.
–
Module temperature is over the limit
1
.
1. Enter the show environment temperature mod command to display the temperature of each of 
four sensors on the module.
Red • The module is released from reset by the supervisor 
engine and is booting.
• If the boot code fails to execute, the LED stays red 
after power up.
Orange
• The module is initializing hardware or communicating 
with the supervisor engine.
• A fault occurred during the initialization sequence.
• If the module fails to download its Field 
Programmable Gate Arrays (FPGAs) on power up, it 
continues initializing and is granted module online 
status from the supervisor engine, but the LED stays 
orange.
• If the module is not granted module online status from 
the supervisor engine, the LED stays orange. This 
problem could be caused by the supervisor engine 
detecting a failure in an external loopback test that it 
issued to the module.
Green
• The module is operational; the supervisor engine has 
granted module online status.