Nokia Alcatel-Lucent OXO Connect Series - 2.4.2.5 AMIX-1 X;Y;Z Boards; 2.4.2.6 BRA2-2, BRA4-2 and BRA8 Boards; 2.4.2.7 PRA Boards

2.4.2.5 AMIX-1 X/Y/Z Boards
These boards are used to connect 4 analog accesses, 4 or 8 analog terminals and 4 or 8 digital
dedicated terminals.
MIXED
1 2 3 4 1 2 3 4
ANALOG INTERFACES
DIGITAL INTERFACES
1 2 3 4 - - - -
AMIX 4/4/4 -1
ANALOG TRUNKS
MIXED
1 2 3 4 1 2 3 4
ANALOG INTERFACES
DIGITAL INTERFACES
DIGITAL INTERFACES
1 2 3 4 5 6 7 8
AMIX 4/
8
/ 4 -1
ANALOG TRUNKS
2.4.2.6 BRA2–2, BRA4–2 and BRA8 Boards
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.
ISDN ACCES - T0
1 2 3 4
BRA 4-2
2.4.2.7 PRA Boards
This board provides 1 primary access for connecting the OXO Connect system to the ISDN digital
public network or to private networks:
• PRA-T2, 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.
• 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.
Chapter
2
Hardware description
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