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980/000048/001
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Accessbuilder Triple Modem Module User Guide
Models:
980/000048/001
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Troubleshooting
Specs
Install
Connecting the Cables
Warranty
Dial Backup Operation
How to
Safety
On-line Technical Services
Principal Features
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Part No. 980/000048/001 Published June 1996
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Contents
Accessbuilder Triple Modem Module User Guide
3Com Corporation 5400 Bayfront Plaza Santa Clara, California
Important Safety Information
Wichtige Sicherheitshinweise
’INFORMATION DE Sécurité Importante
Page
Contents
Modem Specification and Interface PIN Assignments
Index Limited Warranty FCC Class a Verification Statement
Page
This table shows where to find specific information
How to Use This Guide
About this Guide
Introduction
Icon conventions that are used throughout this guide are
Conventions
Text conventions used in this guide are
Keep the unit away from radiators and heat sources
Additional Safety Information
About this Guide
Triple Modem Module
Support for dial-up transmission protocols
Principal Features
Implementation of V.32terbo
Triple Modem Module
Modem Connections To The Central Site
Typical Applications
Registering Ownership of your Triple Modem Module
Pack Contents Checklist
Pre-installation Requirements
Triple Modem Module
Overview
Installation and Operation
Installing The Module
Installing The Rear Card
Installing the Rear Card
Example of Installing a Front Card
Installing the Front Card
Connecting the Cables
Front Panel LEDs
Front Panel LEDs
Installation and Operation
Troubleshooting Guide
Troubleshooting
Modem Health
Modem DTE Connection
Modem does not accept or echo back AT commands
Modem Telephone Line Connection
Troubleshooting
Perform a local analogue loop test
On-line Operation
Dial Backup Operation
Private-line Operation
Transmitter / Receiver Specifications
Modem Specification
Interface PIN Assignments
Autodial Autoanswer
Protocols
Physical Description
General Approvals Requirements
Approvals Information
All the other apparatus shall comprise only
Appendix a Modem Specification and Interface PIN Assignments
Ringer Equivalence
21/V.11
DTE Port Pin Assignments
24/V.28
35/V.36
Pstn Port Cable Pin Assignments
Private Line Port Cable Pin Assignments
3Com Bulletin Board Service
On-line Technical Services
Call the telephone number nearest you
World Wide Web Site
Support from Your Network Supplier
Support from 3Com
Returning Products for Repair
Appendix B Technical Support
Numerics
Index
Send LED
Limited Warranty
408 764-5000 3/18/96
How to Identify and Resolve Radio-TV Interference Problems
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Contents