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LED
LINK/STAT
To view DS3 alarms, run the following command:
show module alarms ds3
Troubleshooting CT3
This section describes steps you use to troubleshoot CT3.
The following table describes the LED states for the CT3 Medium Module.
Table 21: CT3 Module LEDs
LED
STAT
LINK/STAT
To view CT3 alarms, run the following command:
show module alarms ct3
Troubleshooting
• Off: No power available to the module
• Yellow: Out of service, or failed to initiate
• Green: Power on and the module is operational.
Status of each interface:
• Off: Not connected or the interface is out of service.
• Yellow: The interface is in a loopback mode or is running
diagnostics
• Green: The link or channel is active and receiving a valid signal
General module status:
• Off: No power available to the module
• Yellow: Out of service, or failed to initiate
• Green: Power on and the module is operational.
Status of each interface:
• Off: Not connected or the interface is out of service.
• Yellow: The interface is in a loopback mode or is running
diagnostics
• Green: The link or channel is active and receiving a valid signal
Description
Description
Troubleshooting CT3
August 2013
63
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Table of Contents
Troubleshooting
