
Issued 6/3/96 DBS-80-500 iii
Contents
About This Manual
Overview............................................................................................................................. ix
Related Documents............................................................................................................. ix
Chapter 1. Introduction to the T1 Interface
Overview................................................................................................................................. 1-3
Description of the T1........................................................................................................ 1-3
FramingOptions............................................................................................................... 1-3
TrunkSignalingModes.................................................................................................... 1-4
DNISService.................................................................................................................... 1-4
Pre-InstallationRequirements................................................................................................. 1-5
OrderingT1....................................................................................................................... 1-5
WhatYouMustPurchase................................................................................................. 1-6
Chapter 2. Installation
Guidelines............................................................................................................................... 2-3
HardwareRequirements................................................................................................... 2-3
Maximums........................................................................................................................ 2-3
Trunk Assignments for Single-Cabinet Systems .............................................................. 2-5
Trunk Assignments for Double-Cabinet Systems ............................................................ 2-6
Installation Procedures.......................................................................................................... 2-12
InstallingtheCSU........................................................................................................... 2-12
Installing a T1 in a Single Cabinet.................................................................................. 2-14
Installing T1 in a Double Cabinet with the T1 in the Slave ........................................... 2-21
Installing T1 in a Double Cabinet with T1s in the Master and Slave............................. 2-23
Chapter 3. Quick-Start Programming
BeforeYouBegin................................................................................................................... 3-3
Programming Initial T1 Options............................................................................................. 3-4
MinimumProgramming................................................................................................... 3-4
DNISProgramming.......................................................................................................... 3-7