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3Com
DIGITAL MODEM manual
1
1
62
62
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62 pages, 501.73 Kb
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ISDN E
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IGIT
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ODEM
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UIDE
A member of the 3Com Impact product family
Part No. 09-0699-002
Published August 1995
Contents
Main
3Com Corporation
95052-8145
Santa Clara, California
5400 Bayfront Plaza
C
ONTENTS
3
A
C
B
F
IGURES
T
ABLES
A
How to Use This Guide
Introduction
UIDE
Conventions
Table 1 and Table 2 list text and icon conventions that are used throughout this guide:
I
NTRODUCTION
Page
3Com Impact Digital Modem Features
Data Capabilities
Voice Capabilities
Simultaneous Data and Voice Capabilities
Analog Modem Capabilities
3Com Impact Digital Modem Package Contents
Standard Package Contents
Additional Contents
ISDN Digital Line Conguration Requirements
Computer System Requirements
IBM PC or Compatible Requirements
Apple Macintosh Requirements
Cabling Requirements
2
C
THE DIGITAL MODEM
Page
Installing the 3Com Impact Digital Modem
Installing the Digital Modem in an IBM-compatible PC
Page
Page
Conguring the 3Com Impact Digital Modem
Conguration for IBM PC or Compatible Computer
Page
Page
Page
Page
Page
Conguration for Apple Macintosh Computer
Page
Placing and Receiving Calls
Placing ISDN Data Calls
Multilink PPP Calls With Dynamic Bandwidth Allocation
Page
Placing Analog Modem Calls
Using Communications Software to Place Calls
Receiving Data Calls
Using the Phone Out Port
Placing Calls Using the Phone Out Port
Receiving Calls Using the Phone Out Port
Protocol Support
Async-Sync PPP Conversion
QuickSelect
3
Troubleshooting Tips
Page
Page
Page
Downloading Firmware to Your External Digital Modem
Page
A
O
Page
B
REGISTERS, AND RESULT C
AT Command Set for the 3Com Impact Digital Modem
Table B-1 summarizes the AT command set.
Page
Page
AT Command Set for Internal Analog Fax Modem
Table B-1 summarizes the AT command set for the internal analog modem.
Page
Page
Remote S Registers
Page
Page
Digital Modem Result Codes
Table B-4 lists the 3Com Impact digital modem result codes.
C
On-line Technical Services
3Com Bulletin Board Service
World Wide Web Site
Ask3Com on CompuServe
3ComFacts Automated Fax Service
Support from Your Network Supplier
Support from 3Com
Returning Products for Repair