
Table of Contents
Access System Centum Series User Manual vii
Introduction ................................................................................................................................1-1
T1 Concepts ...................................................................................................................... 1-1
Product Features and Specifications ................................................................................. 1-2
Special Centum Series Features ............................................................................ 1-2
Built-in T1 ESF CS .............................................................................. 1-2
Network Protection ................................................................................. 1-2
Front Panel Control ................................................................................ 1-2
Terminal Control .................................................................................... 1-3
NMS Control .......................................................................................... 1-3
Printer Support ........................................................................................ 1-3
Event Log ............................................................................................... 1-3
Built-in Diagnostics ................................................................................ 1-3
ESF Operation ........................................................................................ 1-4
Clear Channel ......................................................................................... 1-4
Specifications ........................................................................................................ 1-4
Front Panel Overview ................................................................................................................. 2-1
Introduction ...................................................................................................................... 2-1
LCD Screen ...................................................................................................................... 2-3
LED Indicators .................................................................................................................2-5
Configuring and Installing the Centum Series ............................................................................ 3-1
Requirements .................................................................................................................... 3-2
Software and hardware ......................................................................................... 3-2
Power and environmental ..................................................................................... 3-2
Centum Series Worksheet ................................................................................................ 3-2
Configuration Parameters ................................................................................................. 3-4
Checking the “T-Channels” ............................................................................................ 3-18
Self-Testing Centum Series ............................................................................................ 3-20
Connecting the Centum Series ....................................................................................... 3-22
Line Testing (Point-to-Point Configuration) .................................................................. 3-24
Line Testing (Integrated Access, Fractional T1) ............................................................ 3-26
Testing the Centum Series ......................................................................................................... 4-1
CSU Loop ......................................................................................................................... 4-2
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