Introduction

Overview

Versions

Applications

Features

Physical Description

Functional Description

Timing Generator

Encoder／Decoder

Line Driver

Receiver

NRZ Interface

Error Corrector

V.54 Diagnostics

Technical Specifications

Installation and Setup

Site Requirements and Prerequisites

Package Contents

Installation and Setup

Setting the Internal Jumpers

Connecting the Interfaces

Connecting the Power

Operation

Front Panel Controls and Indicators

Operating Procedure

Turning On ASM-40

Normal Indications

Turning ASM-40 Off

Troubleshooting and Diagnostics

General

V.54 Loopback Tests

Local Analog Loopback (LLB)

Remote Digital Loopback (RLB)

Local Digital Loopback (DIG)

Internal BERT

Modem Self-Test

Two-BER Test

Card Cage Version

ASM-MN-214 Card Cage

ASM-40／R Card Version

Power Supply

AC Supply

DC Supply

Power Supply with Redundancy

Installing the ASM-40／R Card

Applications

Point-to-Point Link

Long Range Access To Digital Networks

Interface Conversion

Rate and Interface Conversion

Signal Repeater

IR-ETH Interface Module

IR-X.21B Interface Module

DTE Interface Signal Assignments

Connecting RS-530 to RS-422

ASM-40／R with G.703-HDB3 Option

1.920 Mbps Option

192 kbps Option

Remote Power Feed Option

Installation in a 19-inch Rack

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