3Com DIGITAL MODEM - page 27

2-10 CHAPTER 2: INSTALLING AND CONFIGURING THE DIGITAL MODEM

12 If you have changed the Telephone Company Switch type,

you must reset the digital modem by turning the power

switch off and then on.

13 Verify the conﬁguration.

Check the status bar (located beneath the Help, Tools,

Conﬁgure, and Exit buttons of the Conﬁguration dialog box)

to verify correct conﬁguration. If the parameters were

conﬁgured accurately and the digital modem is ready to

send and receive calls, the status bar ﬁelds will appear as

shown below. Note that the TEI number(s) are not conﬁgured

by the user. The TEI number is provided by the telephone

company for informational purposes only.

■Layer 1: UP

■SPID 1: Init

■TEI 1: Number from 0 to 127

■SPID 2: Init (if required)

■TEI 2: Number from 0 to 127 (if required)

14 Click Exit to leave the utility.

This completes the conﬁguration procedure.

15 Install the TurboCom software.

Refer to the installation instructions that came with the

TurboCom software.

After the TurboCom software is installed, proceed to the

“Placing and Receiving Calls” section.

Conﬁguration Using DOS

To conﬁgure the digital modem for an IBM PC or compatible

computer using DOS:

1Create a directory on the hard drive, insert the 3Com

Impact DOS & Windows Installation Diagnostic Utilities

diskette into the PC’s diskette drive, and copy all the ﬁles

from the utility diskette to the hard drive.

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