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Troubleshooting the T4000 Craft Interface

 

Problem:

Description:

The following alarms, LEDs, and other conditions indicate a problem with the craft interface:

  • The router is powered on, but none of the LEDs on the craft interface are lit.

  • A yellow alarm indicates that the craft interface has failed.

In Table 1, the text in the column labeled ”LCD Message” appears in the display of the craft interface. The text in the column labeled “CLI Message” appears in the output from the show chassis alarms command.

Table 1: Chassis Alarm Messages for the Craft Interface

Alarm Type

LCD Message

CLI Message

Yellow

Craft Failure

Craft Failure

Solution

To troubleshoot the craft interface:

  1. Check the LEDs on the craft interface. If the router is powered on but none of the LEDs are lit, reseat the craft interface to make sure that it is installed properly. See Replacing a T4000 Craft Interface.
  2. Use the CLI to check for alarms. Use the show chassis alarms command.