Tait TB7100, Service Manual

Page: 13 / 370

TB7100 Service Manual Mechanical Design 13
© Tait Electronics Limited October 2005
2 Mechanical Design
Overview
The base station consists of the following main modules:
■
tray
b
■
UI board (user interface)
d
■
receiver module
h
■
transmitter module
i
■
SI board (system interface)
1)
■
duplexer (optional)
1!
.
All modules and boards are mounted from above into the 1U tray
b
.
The modules are secured by screws or clips into standoffs on the tray chassis,
and are easily removed for replacement.
The base station also includes two cooling fans
f
and a fan duct
e
in front
of the receiver and transmitter modules, a speaker
c
mounted behind the
front panel, a fan power board
g
mounted on the fan duct, and a
temperature sensor board
j
mounted on the heatsink of the transmitter
module
i
.
The modules and components are interconnected by looms and cables.
Figure 2.1 Parts of the base station
1!
g
i
1)
b
c
d
f
e
h
j