Rockwell SoniCrafter BT8960 - Manual (Page 17)

7
1.0 System Overview
1.2 Applications
Bt8960
Single-Chip 2B1Q Transceiver
N8960DSB
1.2.3 ISDN Basic Rate Interface Concentrator
Since many telecommunications service providers are positioning BRI service as
residential Internet or telecommuter connectivity, the lack of installed copper
pairs into the residence could be a serious limitation to the proliferation of the ser-
vice. The Bt8960 solves this problem because it is capable of 416 kbps data rates.
Thus, it enables the transport of two full BRI U-interface channels (4B + 2D) on a
single twisted pair.
Alternatively, a BRI service and two POTS lines can be provisioned over a
single twisted pair. Another possible combination is six B-channels with a consol-
idated D-channel for the provisioning of three ISDN lines on a single twisted pair.
Users of this equipment can include a small office with two computers, each
needing BRI service, or a residence requiring a BRI line and two POTS lines. The
primary advantage of (1 or 2 BRIs + 1 or 2 POTS) is there is no need for expen-
sive digital phones and when a POTS function is used, the full BRI bandwidth for
data traffic is retained.