3Com DIGITAL MODEM User Manual

Contents

Configuring the 3Com Impact Digital Modem 2-1312 Reset the digital modem by turning the power switch offand then on again.If the parameters match those registered at the telephonecompany ISDN switch, the D channel LED lights for a fewminutes, flashes for several seconds, and then turns off. If theLED continues to flash or remains lit, see Chapter 3,“Troubleshooting.”13 Press [Esc] to return to the main menu.Once in the main menu, exit the program.14 Go to the section “Placing and Receiving Calls” to placeyour first call.Configuration for Apple Macintosh ComputerTo configure the digital modem for an Apple Macintoshcomputer:1 Insert the 3Com Impact Installer Diagnostic Utilitiessoftware utility diskette into the diskette drive and copythe files by selecting them and dragging them to thehard drive icon.The Macintosh operating system automatically places thefiles in the appropriate folders.2 Open the 3Com Impact Mac folder and double-click the3Com Impact Installer program icon to launch it.The utility program presents the Port Settings screen. Tomove the cursor around the screen, use the [Tab] key. Selectthe Modem port and click OK. The Utility dialog box appears.3 In the Phone Number 1 field, enter the telephone numberto which your digital modem is connected.4 Enter the corresponding Service Profile Identifier (SPID) inthe SPID field for the telephone number you entered inthe previous step.