3Com ISDN Modem Two Telephone Numbers and Two Analog Devices

3-12 CHAPTER 3: CONFIGURATION FOR AN IBM-COMPATIBLE PC RUNNING WINDOWS

Note that while you are using the fax machine, for example, you cannot use the telephone to place or receive calls because your ISDN line has only one telephone number.

U

	-232	ISDN
RS

2

1

RESET

9VDC MAX

•5A

908 555 1212 908 555 1212

Figure 3-11 Configuration for One Telephone Number and Two Devices

Two Telephone Numbers and Two Analog Devices.

If you have two telephone numbers and two analog devices attached to your 3C882 modem, you can choose to have both ISDN telephone numbers ring both devices simultaneously. For this scenario, you would place a checkmark in all four Phone Port boxes, as shown in Figure 3-12

U

	-232	ISDN
RS

2

1 RESET

9VDC MAX

•5A

908 555 1212	908 555 1212
908 555 1213	908 555 1213

Figure 3-12 Configuration for Two Telephone Numbers and Two Analog Devices