Benutzerhandbuch für RAD Data comm ASM-20

Inhaltsverzeichnis

• 1.1 Overview

  1
• Applications

  1
• Features

  1
• 1.2 Physical Description

  1
• LEDs

  1
• Jumpers

  1
• Rear Panel

  1
• 1.3 Functional Description

  1
• Encoder

  1
• Modulation Timing

  1
• XMT Level (optional)

  1
• Receiver

  1
• Remote Power Failure (RPF)

  1
• V.54 Diagnostics

  1
• Async to Sync Converter

  1
• Test Pattern Generator and Receiver

  1
• X.21 External Clock Buffer Option

  1
• G.703 DTE Interface

  1
• 1.4 Specifications

  1
• Transmission Line

  1
• Digital Interface

  1
• Diagnostics (Complies with the V.54 Standard)

  1
• Timing Elements

  1
• Indicators

  1
• Electrical

  1
• Physical

  1
• Environment

  1
• 2.1 Introduction

  2
• 2.2 Site Preparation and Prerequisites

  2
• 2.3 Package Contents

  2
• 2.4 Mechanical Installation

  2
• 2.5 Electrical Installation

  2
• Strap Selection

  2
• Setting Internal Jumpers and Switches

  2
• Power Connection

  2
• 3.1 General

  3
• 3.3 Operating Instructions

  3
• Power On Procedure

  3
• Activation of Tests

  3
• Operational Jumper and Switch Changes

  3
• Power Off Procedure

  3
• 4.1 General

  4
• 4.2 Frequently Asked Questions

  4
• 4.3 Loop Tests Procedure

  4
• 4.4 Bit Error Rate Tester (BERT)

  4
• 4.5 Modem Self Test

  4
• 4.6 Local Test - Analog Loopback

  4
• 4.7 Communication Link Tests

  4
• Remote Digital Loopback

  4
• Local Digital Loopback

  4
• 5.1 ASM-MN-214 Description

  5
• 5.2 ASM-20 Card Version

  5
• 5.3 Power Supply

  5
• AC Supply (100, 110 or 230 VAC)

  5
• DC Supply (24 or 48 VDC)

  5
• Power Supply with Redundancy

  5
• 5.4 Installation

  5
• Electrical Installation

  5
• Mechanical Installation

  5
• 5.5 Operation

  5
• Point-to-point Application

  1
• G.703 Modem Link Application

  1
• Tail-end for Digital Network Application

  1
• ASM-20, General View

  1
• ASM-20 Rear Panel with V.35 Interface

  1
• ASM-20 Block Diagram

  1
• Figure 2-1 ASM-20 - V.35 Rear Panel

  2
• Figure 2-2 ASM-20 - X.21 Rear Panel

  2
• Figure 2-3 PCB Layout Diagram

  2
• Figure 3-1 ASM-20/SA Front Panel

  3
• Figure 3-2 ASM-20R Front Panel

  3
• BERT Using Loops

  4
• Two BERTs Operating End-to-End

  4
• Local ASM-20 in Analog Loopback

  4
• Remote ASM-20 in Digital Loopback

  4
• Local ASM-20 in Digital Loopback

  4
• Figure 5-1 ASM-20/R Front Panel

  5
• Figure 5-2 ASM-MN-214 Card Cage Front Panel

  5
• Figure 5-3 ASM-MN-214 Rear Panel

  5
• Table 1-1 Approximate Range

  1
• Table 2-1 ASM-20 Strap Selection Settings

  2
• Table 2-2 Async Character Length Setting

  2
• Table 3-1 Control and Indicator Functions

  3
• Table 4-1 Differences in Versions

  4