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Contents
Chapter 1, Introduction
Introduction ..................................................................................... 1-1
2185 FEATURES ............................................................................ 1-1
Data Interface ............................................................................ 1-1
Main Channel Broadcast ........................................................... 1-2
Subchannel Contention .............................................................. 1-2
Synchronous Data Retiming Buffer .......................................... 1-2
Anti-Streaming .......................................................................... 1-3
APPLICATIONS ............................................................................. 1-3
Port-Sharing Mode .................................................................... 1-4
Modem-Sharing Mode ............................................................... 1-5
Co-Located Terminals ............................................................... 1-6
Cascading the 2185 .................................................................... 1-6
Specifications .................................................................................. 1-9
Chapter 2, Installation
INTRODUCTION .......................................................................... 2-1
CUSTOMER RESPONSIBILITIES ............................................... 2-1
Site Selection and Preparation ........................................................ 2-1
Unpacking ....................................................................................... 2-2
Packing Materials ...................................................................... 2-2
Equipment Supplied .................................................................. 2-2
Damage/Material Shortages ...................................................... 2-2
Installation Procedure ..................................................................... 2-3
Equipment Assembly ................................................................. 2-3
Installation Tools Required ........................................................ 2-3
Mechanical Installation ............................................................. 2-3
Cabling ...................................................................................... 2-3
Chapter 3, Operation and Configuration
Introduction ..................................................................................... 3-1
Operating Controls and Indicators .................................................. 3-1
Function Switches ........................................................................... 3-3
Function Switch One ................................................................. 3-3
Function Switch Two ................................................................. 3-4
Function Switch Three ............................................................ 3-14
LED Indicators .............................................................................. 3-14
Configuration Examples ............................................................... 3-14
Digital Bridging Application Example .................................... 3-15
Leased-Line Backup Application Example ............................. 3-18
Multimaster Multidrop Application Example ......................... 3-22
Main Power Connection ............................................................... 3-26
Operation ...................................................................................... 3-28
Power-Down Procedure ................................................................ 3-28