3Com 3C882 Network Router User Manual


 
Configuring the 3C882 ISDN Modem for a Macintosh Computer 4-10
Configuring the B Channel Rate
By default, the B Channel Rate is 56 Kbps. Check with your
telephone company for the appropriate B Channel Rate.
To change the B Channel Rate, do the following:
1 Select the appropriate radio button, 56 Kbps or 64 Kbps.
2 Click the Update Configuration button to download the
change to your 3C882 ISDN modem’s S register.
Configuring Voice Call Routing
If you plan to use the analog Phone ports of the 3C882 ISDN
modem, you may want to change the default setting. An
example using the default setting is shown in Figure 4-14.
Figure 4-14 Voice Call Routing Default Setting
By default, all Phone Port boxes are checked. This allows calls
to and from both ISDN telephone numbers to ring both
devices simultaneously.
You may want to exclusively assign a telephone number to a
device. Instructions for configuring two common scenarios is
as follows.
RESET
9 VDC
• 5A MAX
RS-232
ISDN U
12
908 555 1212
908 555 1213
908 555 1212
908 555 1213
Number 1
Telephone Number:
Service Profile Identifier: (SPID)
9085551212
015551212000
Number 2
Telephone Number:
Service Profile Identifier: (SPID)
9085551213
015551213000
Route Voice Calls to: Phone Port 1 Phone Port 2
Route Voice Calls to: Phone Port 1 Phone Port 2