User's Manual

Table Of Contents
DRAFT 4
TB9400 Installation and Operation Manual Appendix B – Inter-Module Connections 111
© Tait Electronics Limited September 2011
Appendix B – Inter-Module Connections
Dual 50 W Base Station
The connections between modules at the front of a dual 50 W base station
are shown below.
DC Supply PA 1 is powered by a direct connection from the PMU. The other modules
in the subrack are powered from the PMU via the subrack interconnect
board. The DC supply to the reciters is via the system control bus ribbon
cable.
Dual 50 W base station inter-module connections
b
28 VDC output for PA 1
g
transmit reverse input
c
not used
h
system control bus and 28 VDC input
d
system control bus
i
transmit forward output
e
transmit reverse output
j
transmit forward input
f
28 VDC input
1)
28 VDC output to subrack interconnect board
reciter 2PMU reciter 1PA 1PA 2
b d e f gdefg
hijhijd1)
c