Specifications
vii
Table of Contents
Chapter 1 - Introduction
Introducing the Excalibur Multirate DAP ........................................................................................................ 1-1
Operating Modes..............................................................................................................................................1-1
Models.............................................................................................................................................................. 1-2
Standalone Model ...................................................................................................................................... 1-4
Central Site Model.....................................................................................................................................1-5
Standard Features ............................................................................................................................................. 1-6
Menu-Driven Front Panel Display............................................................................................................. 1-6
Remote Control Panel................................................................................................................................ 1-6
Password Protection................................................................................................................................... 1-7
RTS-DCD Simulation................................................................................................................................ 1-7
Extended Range Operation ........................................................................................................................ 1-7
Rate Adaption ............................................................................................................................................1-7
Built-In Diagnostic Tests........................................................................................................................... 1-7
Alarm Reporting ........................................................................................................................................ 1-8
Line Parameter Monitoring........................................................................................................................ 1-8
Call Messages ............................................................................................................................................ 1-8
Asynchronous/Synchronous Conversion................................................................................................... 1-9
CMS DSU Compatibility........................................................................................................................... 1-9
Multiport Frame Compatibility.................................................................................................................. 1-9
CMS Compatibility.................................................................................................................................... 1-9
Backward Compatibility..........................................................................................................................1-10
Options ........................................................................................................................................................... 1-11
Dual Interface ..........................................................................................................................................1-11
Integral Dial Backup................................................................................................................................ 1-11
Model for EDRS............................................................................................................................................. 1-13
Chapter 2 - Operating Modes
Overview .......................................................................................................................................................... 2-1
Interruptive Secondary Channel (Basic DDS) ................................................................................................. 2-1
Primary Channel Interface......................................................................................................................... 2-2
Network Management Controller ..............................................................................................................2-2
Main Channel Interruption ........................................................................................................................2-3
Non-Interruptive Secondary Channel (DDS-SC).............................................................................................2-3
Non-Interruptive Secondary Channel (Basic DDS and Clear Channel 64 Kbps) ............................................ 2-4
Clear Channel 64 Kbps ....................................................................................................................................2-5
Customer Owned Copper Wire (LDM)............................................................................................................ 2-5
Clear Secondary Channel ................................................................................................................................. 2-5
Antistreaming...................................................................................................................................................2-6
Analog Integral Dial Operation........................................................................................................................ 2-6
Front Panel Status Information .................................................................................................................. 2-8
Call Establishment.....................................................................................................................................2-8










