2.4.2.6 BRA-X Board
These boards are used to connect 2, 4 or 8 base T0 access points (2 B channels + 1 D
channel) in order to connect the system to the digital public ISDN network (T0 point-to-point or
multipoint connection) or to a private network (DLT0 point-to-point connection); the operating
mode, T0 or DLT0, can be configured by OMC.
2.4.2.7 PRA Boards
This board provides 1 primary access for connecting the Alcatel-Lucent OmniPCX Office
Communication Server system to the ISDN digital public network or to private networks:
- PRA -T2, DASS2, DLT2 : 30 x 64-Kbps B-channels + 1 x 64-Kbps D-channel; 2048 Kbps.
- PRA-T1 : 23 x 64-Kbps B-channels + 1 x 64-Kbps D-channel; 1544 Kbps.
- T1-CAS: 24 x B-channels, including signalling; 1544 Kbps.
- PCM R2: 30 x 64-Kbps B-channels + 1 x 4-Kbps signaling channel; 2048 Kbps.
The diagram below shows the end-plate of the PRA-T2 board, but the other PRA boards are
similar.
2.4.2.7.1 Function of the LEDs
Chapter
2
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2-10
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