TM 11-7025-234-23
Slide switch for selecting either 115 or 230 volt operation.
Ac Voltage Selector
Fuse
Power supply fuse, 1/4 Amp.
Power Supply Assembly
Provides unregulated positive and negative vol tages for the
regulator board.
Mother Board
Provides hardware interface for circuit board components.
Used to adjust voltages on the power supply regulator
Voltage Adjust
board (Al).
Potentiometers
Used to check voltages on the power supply regulator board
Test Points
(Al).
Provides LED display of data rate and operational mode.
Rate/Mode Display
Board
Al Board
Power supply regulator board.
Not used in this model.
A2 Board
EIA interface board.
A3 Board
A4 Board
Receiver board.
A5 Board
Receiver equalizer board.
A6 Board
Transmitter board.
A7 Board
Remote loopback board.
A8 Board
A9 Board
1/0 board.
Figure 1-2.
V.29 Modem Internal Components (2 of 2)
1-7
