Configuring the 3Com Impact Digital Modem 2-13
12 Reset the digital modem by turning the power switch off
and then on again.
If the parameters match those registered at the telephone
company ISDN switch, the D channel LED lights for a few
minutes, flashes for several seconds, and then turns off. If the
LED 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 place
your first call.
Configuration for Apple Macintosh Computer
To configure the digital modem for an Apple Macintosh
computer:
1Insert the 3Com Impact Installer Diagnostic Utilities
software utility diskette into the diskette drive and copy
the files by selecting them and dragging them to the
hard drive icon.
The Macintosh operating system automatically places the
files in the appropriate folders.
2Open the 3Com Impact Mac folder and double-click the
3Com Impact Installer program icon to launch it.
The utility program presents the Port Settings screen. To
move the cursor around the screen, use the [Tab] key. Select
the Modem port and click OK. The Utility dialog box appears.
3In the Phone Number 1 field, enter the telephone number
to which your digital modem is connected.
4Enter the corresponding Service Profile Identifier (SPID) in
the SPID field for the telephone number you entered in
the previous step.