RAD Data comm ASM-20 operation manual Contents

ASM-20 Installation and Operation Manual i
Contents
CHAPTER 1 INTRODUCTION
1.1 Overview .......................................................................................................................1-1
Applications..........................................................................................................................1-1
Features................................................................................................................................1-2
Options ................................................................................................................................1-2
1.2 Physical Description .......................................................................................................1-3
Front Panel.................................................................................................................... .......1-3
LEDs.....................................................................................................................................1-3
Jumpers........................................................................................................................ ........1-3
Rear Panel..................................................................................................................... .......1-3
1.3 Functional Description....................................................................................................1-4
Encoder................................................................................................................................1-4
Modulation Timing................................................................................................................1-5
XMT Level (optional).............................................................................................................1-5
Receiver................................................................................................................................1-5
Remote Power Failure (RPF)..................................................................................................1-5
V.54 Diagnostics...................................................................................................................1-5
Async to Sync Converter........................................................................................................1-5
X.21 Buffer (for X.21 interface)..............................................................................................1 -6
Test Pattern Generator and Receiver .....................................................................................1-6
X.21 External Clock Buffer Option.........................................................................................1-6
G.703 DTE Interface............................................................................................................ .1-6
1.4 Specifications .................................................................................................................1-6
Transmission Line..................................................................................................................1-6
Digital Interface.....................................................................................................................1-7
Diagnostics (Complies with the V.54 Standard)......................................................................1-7
Timing Elements....................................................................................................................1-7
Indicators..............................................................................................................................1-8
Electrical............................................................................................................................... 1-8
Physical.................................................................................................................................1-8
Environment.................................................................................................................... .....1-8
CHAPTER 2 INSTALLATION AND SETUP
2.1 Introduction ...................................................................................................................2-1
2.2 Site Preparation and Prerequisites...................................................................................2-1
2.3 Package Contents........................................................................................................... 2-2
2.4 Mechanical Installation................................................................................................... 2-2
2.5 Electrical Installation....................................................................................................... 2-2
Strap Selection...................................................................................................................... 2-3
Setting Internal Jumpers and Switches....................................................................................2-3
Power Connection............................................................................................................... .2-7
CHAPTER 3 OPERATION
3.1 General.................................................................................................................... ......3-1