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T1/E1 & T3/E3

Blue and Yellow T1 Alarm Troubleshooting

Document ID: 14173

Updated: Sep 09, 2005

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Introduction

This document provides information about how to troubleshoot the Blue and Yellow T1 alarm.

Prerequisites

Requirements

There are no specific requirements for this document.

Components Used

This document is not restricted to specific software and hardware versions.

The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.

Conventions

Refer to Cisco Technical Tips Conventions for more information on document conventions.

Background Information

For more information about the Receive Remote Alarm Indication (Yellow) chart, click these links that correspond to the command boxes in the graphic:

For more information about the Transmit Alarm Indication Signal (Blue) chart, click these links that correspond to the command boxes in the graphic:

t1_flchrt_alarm_2-1.gif

Related Information

Updated: Sep 09, 2005
Document ID: 14173