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 12V 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! ef
h
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