Installation guide

CO Line Boards 4-21
Chapter 4: Board Installation
MBX IP Hardware & Installation Guide
PRIB (Primary Rate Interface Board)
The Primary Rate Interface Board (PRIB) provides one (1) PRI interface; this interface supports
23 PCM bearer channels and 1 signaling channel.
• The PRIB supports pulse dialing, DTMF dialing, and MFC-R2 register signaling.
>>> PRIB can be installed on the universal slot No. 1-6 of any KSU except
the slot No. 1
of 1st KSU.
CAUTION: For QSIG (Voice Signalling Protocol) operation, check the mode setting method and the
contact assignments of RJ21 type connector according to the mode of line, TE or NT.
NOTE: MBX IP does not support daisy chained clock cable. The ISDN clock priority and
synchronization is controlled by the MPB software (refer to PGM 301). The default clock priority
for Slots and KSUs are as follows unless modified by the Admin.:
- Board - PRIB>Internal Clock
- KSU - 1st KSU> 2nd KSU> 3rd KSU
- Slot - Slot 1>Slot 2>…>Slot 18
Release 1.7
April 2012