T1/E1 & T3/E3

Document ID: 14160

Contents

Introduction
Prerequisites
      Requirements
      Components Used
      Conventions
Troubleshooting Flowchart
Related Information

Introduction

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Prerequisites

Requirements

There are no specific prerequisites for this document.

Components Used

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

Conventions

For more information on document conventions, see the Cisco Technical Tips Conventions.

Troubleshooting Flowchart

Related Information

• E1 Troubleshooting
• E1 Layer 1 Troubleshooting
• E1 Alarm Troubleshooting
• E1 Error Event Troubleshooting
• E1 PRI Troubleshooting
• Hard Plug Loopback Test on E1 Lines
• Access Technology Support Pages
• Technical Support - Cisco Systems