User's Manual

84 68P80801H45-1 1/20/2002
Troubleshooting EBTS System Manual - Vol 2
QUAD Channel BR Backplane
Figure 9 shows the locations of the QUAD Base Radio external connections.
QUAD BR Backplane Connector Pinouts
Table 22 lists the pin-outs for the Base Radio Controller board’s 168-pin P1
connector.
b. P22 will not be placed on the backplane. However, the backplane shall be designed with
P22 to allow for reuse on future products.
Table 22 EXBRC P1 Pinout, Signal and Power
Row A B C D
1 GND 3.3 Vdc 3.3 Vdc NC
2 GND 3.3 Vdc 14.2 Vdc 14.2 Vdc
3 GND 3.3 Vdc 14.2 Vdc 14.2 Vdc
4 GND GND GND GND
5NCNCNCNC
EX OUT
PA IN
ETHERNET
PA FB
DC POWER
AC POWER
RS 232 ALARM
RX 1
(RED)
RX 2
(GRN)
RX 3
(YEL)
5MHZ/1 PPS
PA OUT
GROUND
EBTS327Q
112501JNM
RE
BLACK
This port must be terminated by 50Ω load when configured for
2 Branch Diversity. Also, the rx_fru_config parameter must be set to R12.
*
*
EX FB
Figure 9 QUAD Base Radio Backplane Connectors