Vodavi STARPLUS Triad XTS, Installation Manual

Page: 68 / 138

3-34 CO/PBX Connections
Chapter 3 - System Installation
7. Push the DTRU4 module onto these connectors to seat it securely.
Figure 3-19: PRIB w/DTRU4 Module Installation
The PRIB is offered as a stand-alone card or as a kit which includes the PRIB, CSU, and cables.
Basic Rate Interface Board
The Basic Rate Interface Board (BRIB) interface provides four Basic Rate Interface circuits. Each
circuit is comprised of two bearer (64Kbps each) and one data (16Kbps) channels (2B+D).
When a BRIB is programmed into the
XTS system, the system interprets all B channels as
trunks. Thus, one BRIB which contains four 2B+D circuits provides eight line appearances to
the
XTS system.
The BRIB uses the U interface of the BRI standard. Connection to the network is made via RJ45
connectors on the front edge of the board. No CSU device is required to connect to the
central office. The BRIB card uses eight time slots when installed.
Table 3-15: BRIB Ordering Information
BRIB Ordering Information
Ordering Code Capability P
National ISDN NI-1
DT
RU
4
DT
RU
4
CN2
CN1
CN19
CN18
CN16
CN2
CN1
CN17