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Troubleshooting
Specification
Install
Connecting the Cables
Warranty
Dial Backup Operation
How to
Safety
On-line Technical Services
Principal Features
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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
How to Use This Guide
This table shows where to find specific information
About this Guide
Introduction
Conventions
Icon conventions that are used throughout this guide are
Text conventions used in this guide are
Additional Safety Information
Keep the unit away from radiators and heat sources
About this Guide
Triple Modem Module
Principal Features
Support for dial-up transmission protocols
Implementation of V.32terbo
Triple Modem Module
Typical Applications
Modem Connections To The Central Site
Pack Contents Checklist
Registering Ownership of your Triple Modem Module
Pre-installation Requirements
Triple Modem Module
Installation and Operation
Overview
Installing The Module
Installing the Rear Card
Installing The Rear Card
Installing the Front Card
Example of Installing a Front Card
Connecting the Cables
Front Panel LEDs
Front Panel LEDs
Installation and Operation
Troubleshooting
Troubleshooting Guide
Modem Health
Modem does not accept or echo back AT commands
Modem DTE Connection
Modem Telephone Line Connection
Troubleshooting
Perform a local analogue loop test
Dial Backup Operation
On-line Operation
Private-line Operation
Modem Specification
Transmitter / Receiver Specifications
Interface PIN Assignments
Autodial Autoanswer
Physical Description
Protocols
Approvals Information
General Approvals Requirements
All the other apparatus shall comprise only
Appendix a Modem Specification and Interface PIN Assignments
Ringer Equivalence
DTE Port Pin Assignments
21/V.11
24/V.28
35/V.36
Pstn Port Cable Pin Assignments
Private Line Port Cable Pin Assignments
On-line Technical Services
3Com Bulletin Board Service
World Wide Web Site
Call the telephone number nearest you
Support from Your Network Supplier
Support from 3Com
Returning Products for Repair
Appendix B Technical Support
Index
Numerics
Send LED
Limited Warranty
408 764-5000 3/18/96
How to Identify and Resolve Radio-TV Interference Problems
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