OVERVIEW ................................................................................................................1
System Architecture ...........................................................................................................2
SYSTEM.....................................................................................................................3
Physical System Features..................................................................................................3
Controller ...........................................................................................................................3
Network Services Units ......................................................................................................5
Analog Services Units ........................................................................................................7
Digital Service Unit.............................................................................................................8
Peripheral Unit ...................................................................................................................8
MIGRATION ...............................................................................................................8
MAINTENANCE .......................................................................................................11
Alarms..............................................................................................................................11
Circuit Indicators ..............................................................................................................11
System Management Tools..............................................................................................11
Redundancy Support .......................................................................................................11
SECURITY ...............................................................................................................12
Toll Control.......................................................................................................................12
Authorized Access ...........................................................................................................12
SPECIFICATIONS ...................................................................................................13
Dimensions and Weights..................................................................................................14
Tone Plans.......................................................................................................................15
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Table of Contents