Tait TB7100, Installation And Operation Manual

Page: 19 / 142

TB7100 Installation and Operation Manual Mechanical Description 19
© Tait Electronics Limited December 2005
2.5 SI Board
The SI board is mounted in the rear right of the tray with two Torx T10
screws
1)
, one Pozidriv screw
j
, and two spring clips
1!
.
The SI board has the following external connectors:
■
13.8V DC power connector (labelled
12 V DC
)
b
■
system connector (labelled
SYSTEM
)
c
■
serial data connector (labelled
IOIOI
)
D
.
The SI board has the following internal connectors:
■
two system interface connectors
e
(to transmitter and receiver)
■
one DC input connector
h
, if fitted (from internal AC power supply)
■
one DC output connector
i
(to transmitter and receiver)
■
fan control connector
f
(to fan power board on fan duct)
■
temperature control connector
g
(to temperature sensor on transmitter
heatsink).
For more information on the connectors, refer to “Connections” on
page 65 .
Figure 2.5 SI board
g
i
b c d
1)
1)
j
1! 1! e f
h