iPECS-MG Hardware Description and Installation Manual
Issue 1.1
DECT INSTALLATION
August, 2010
35
5.3.2 BRIB (Basic Rate Interface Board) w/Selectable S/T Interface
The BRIB is available in two models, the BRIB2 with two (2) BRI lines (4 channels) and the BRIB4
with four (4) BRI lines (8 channels). The BRIB is compatible with ETSI 3000.012 and ITU-T
recommendations I.430 supporting S (Subscriber) or T (Trunk) interfaces. As shown in Figure
5.3.2.3-1, the S interface of the BRIB acts as the NT (Network Termination) connecting to TEs
(Terminal Equipments) and can provide power feed (-40VDC) to the attached TEs (maximum eight
TEs). A 100-ohm Terminating Resistor can be inserted across the TX and/or RX pair. When used, a
100-Ohm terminating resistor should be connected across the TX and RX pair at one of the TEs.
Figure 5.3.2-1 BRIB2 and BRIB4
Note
iPECS-MG does not support daisy chained clocking for digital lines. The clock priority and
synchronization is controlled by Admin. For details, refer to PGM 301 of the iPECS-MG Admin Manual.