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Remote connectors
The RS-232 serial port supports downloads of new system software and limited remote control operation. The GPI
port allows remote selection of PRESETS 1-8 when the front panel REMOTE/LOCAL switch is in the "REMOTE"
position. The GPI inputs are active low so that a connection between pins 1-8 and pin 9 will select the
corresponding PRESET.
RS-232 pins:
1 – NC
2 – receive
3 – transmit
4 – NC
5 – GND
6 – NC
7 – NC
8 – NC
9 – NC
GPI pins:
1 – preset 1
2 – preset 2
3 – preset 3
4 – preset 4
5 – preset 5
6 – preset 6
7 – preset 7
8 – preset 8
9 – GND
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