Tait TB9100, Installation And Operation Manual

Page: 76 / 144

76 Replacing Modules TB9100 Installation and Operation Manual
© Tait Electronics Limited May 2006
If you want to disconnect the power before working on the TB9100, carry
out the instructions in
“Disconnect the Power” on page 76 .
Important
Before removing a PA, disconnect the DC input and RF
input first, followed by the RF output (and DC output on
the 12V PA). After refitting the PA, reconnect the RF out-
put (and DC output on the 12 V PA) first, followed by the
RF input, and then the DC input.
Disconnect the
Power
1. Turn off the AC
b
and DC
c
switches at the rear of the PMU.
2. Also at the rear of the PMU disconnect the mains
d
and battery
e
supply leads, and the auxiliary DC supply lead
f
(if fitted).
3. If the base station is using a 12 V PA, disconnect the battery supply
lead
g
.
b c d e f
PMU
12 V PA
g