Avaya S8700 Maintenance Manual page 2439

For multi-connect configurations

Hide thumbs Also See for S8700:

Table of Contents

UDS1-BD (UDS1 Interface Circuit Pack)

The UDS1-BD and 120A1 CSU module support on-demand loop-back tests that

assist in the detection of faults between the UDS1-BD circuit pack and the CSU

module, between the Integrated CSU and the optional Customer Premises

Loop-Back Jack, or between the Integrated CSU and remote CSU.

These loop-back tests are explained in detail later in this UDS1-BD MO, but

Figure 8-103

Figure 8-103. High Level Overview Of Loopback Points

gives a high level overview of the loop-back points.

NETWORK ENVIRONMENT

CSU module to CSU module

Local end loop backs

Remote end loop backs (* CSU or External CSU)

Issue 1 May 2002

Troubleshooting