TB9400 Installation and Operation Manual
Appendix B – Inter-Module Connections
131
© Tait International Limited November 2019
Single 50W Base Station
The connections between modules at the front of a single 50W base station
are shown below.
DC Supply
The PA is powered by a direct connection from the PMU. The reciter is
powered from the PMU via the subrack interconnect board and system
control bus ribbon cable.
Single 50W base station inter-module connections
b
28VDC output for PA
g
transmit reverse input
c
not used
h
system control bus and 28VDC input
d
system control bus
i
transmit forward output
e
transmit reverse output
j
transmit forward input
f
28VDC input
1)
28VDC output to subrack interconnect board
PMU
reciter
PA
b
d
e
f
g
h
i
j
d
1)
c
