User's Manual

68P80801H45-1 1/20/2002 83
EBTS System Manual - Vol 2 Troubleshooting
QUAD Channel BR Backplane
QUAD Channel BR Backplane
Backplane Connectors
The Base Radio backplane includes all external equipment connections. Table 21
lists and describes the backplane connectors.
Table 21 QUAD BR Backplane Connectors
Connector Module Description Connector Type
P1 EXBRC Signal 168 Pin AMP Z-Pack
Futurebus
P2 RX1 Signal 72 Pin AMP Z-Pack
Futurebus
P3 RX1 RF 6 coax Harting Harpak
P4 RX2 Signal 72 Pin AMP Z-Pack
Futurebus
P5 RX2 RF 6 coax Harting Harpak
P6 RX3 Signal 72 Pin AMP Z-Pack
Futurebus
P7 RX3 RF 6 coax Harting Harpak
P8 RX4 Signal 72 Pin AMP Z-Pack
Futurebus
P9 RX4 RF 6 coax Harting Harpak
P10 PA Signal 96 Pin EURO
P11 PS Signal & Power 78 Pin AMP Teledensity
P12
a
a. P12 is a cutout in the backplane with threaded inserts for securing the connector which
mates directly to the power supply.
PS -48 Vdc Power In 8 Pin AMP 530521-3
P13 EX RF(EX from PA) SMA blindmate
P14 EX RF(EX to PA) SMA blindmate
P15 External / EXBRC Ethernet BNC blindmate
P16 External / PA RF (PA from EX) SMA blindmate
P17 External / PA RF (PA to EX) SMA Blindmate
P18 External / PA TX Output SMA blindmate
P19 RX Branch 1 RF SMA
P20 RX Branch 2 RF SMA
P21 RX Branch 3 RF SMA
P22
b
External RS232 Dsub-9
P23 External Alarm Dsub-25
P24 External 5MHz/1PPS BNC