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ASM-20
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Appendix A. Ethernet Interface
ASM-20
Installation and Operation Manual
A-6
Installation and Operation
6/4/99 13:17
Contents
Main
ASM-20
Synchronous/Asynchronous Short Range Modem Installation and Operation Manual
Notice
Page
Warranty
Limitation of Warranty
Exclusive Remedies
Safety Warnings
Telecommunication Safety
Regulatory Information
Declaration of Conformity
Quick-Start Guide
1. Installing and Operating ASM-20
Preface
Foreword
Conventions
Note
Contents
Page
List of Figures
Page
Chapter 1 Introduction
1.1 Overview
Applications
Features
1.2 Physical Description
Front Panel
LEDs
Jumpers
Rear Panel
1.3 Functional Description
Encoder
Page
1.4 Technical Specifications
Digital Interface
Diagnostics
Timing Elements
Page
Table 1-1 Approximate Range
Page
Chapter 2 Installation and Setup
2.1 Introduction
2.2 Site Preparation and Prerequisites
2.3 Package Contents
2.4 Mechanical Installation
2.5 Electrical Installation
Strap Selection
Setting Internal Jumpers and Switches
Chapter 2. Installation and Setup ASM-20 Installation and Operation Manual
*
BAUD RATE
Figure 2-3 PCB Layout Diagram Warning
Table 2-1 ASM-20 Strap Selection Settings
Table 2-1 ASM-20 Strap Selection Settings (Cont.)
Table 2-2 Async Character Length Setting
Power Connection
Page
Chapter 3 Operation
3.1 General
3.2 Controls and Indicators
ASM-20
Figure 3-2 ASM-20R Front Panel Table 3-1 Control and Indicator Functions
Figure 4-3
3.3 Operating Instructions
Power On Procedure
Page
Chapter 4 Troubleshooting and Diagnostics
4.1 General
4.2 Frequently Asked Questions
4.3 Loop Tests Procedure
4.4 Bit Error Rate Tester (BERT)
4.5 Modem Self Test
4.6 Local Test - Analog Loopback
4.7 Communication Link Tests
Remote Digital Loopback
Local Digital Loopback
Chapter 5 Card Cage Version
5.1 General
5.2 ASM-MN-214 Card Cage
Page
5.4 Power Supply
AC Supply (100, 115 or 230 VAC)
DC Supply (-48 VDC)
Page
5.5 Installation
Page
Appendix A Ethernet Interface
A.1 General
A.2 Description
A.3 IR-ETH Connector Options
A.4 Ethernet Bridge Specifications
General
LAN
WAN
A.5 Installation and Operation
LAN Installation
Switch Settings
LED Indicators
Table A-3 IR-ETH Bridge LED Indicators
Page
Appendix B IR-G.703 Codirectional Interface (64 kbps)
B.1 Introduction
B.2 General Description
B.3 EXT Mode
ASM-20 Installation and Operation Manual Appendix B. IR-G.703 Codirectional Interface (64 kbps)
6/4/99 13:17 INT/RCV Mode B-3
This mode corresponds to the modem clock working in the EXT mode.
Modem A Modem B
B.4 INT/RCV Mode
Modem A
Modem B
Page
Appendix C IR-X.21B Interface Module
C.3 IR-X.21B Connectors
Pin Assignment
C.4 IR-X.21B Interface Module
C.5 EXT Mode
C.6 INT/RCV Mode
Appendix D DTE Interface Connectors
D.1. General
Page
Page
Page
Appendix E Connection to RS-422
E.1 General
Table E-1 Interface List for Connecting ASM-20 (EIA 530) to RS-422 (V.36) DTE (Cont.)
Appendix F Unit Case Assembly
F.1 General
F.2 Unit Case
F.3 Installation of the Unit Case into a 19" Rack