Bel RX-975 Laser Sensor

JACK pinout

Remote detector RX975 is using two separate laser sensors. Each sensor contain photo diodes, amplifier and microcontroller for analysis. Output is alert signal and there is no other communication among main unit and sensors. It is therefore possible to use these sensors separately.

bel laser sensor

Sensors are connected to the main unit by 2.5mm jack connectors. Pinout of the connector is in the table below.

bel laser sensor - jack
Pin numberPin funtionality
1Supply 12V
2Alert output. When alert active this output is connected to ground through 1K resistor.
3Ground

Pictures

Internal pictures


After removal of the cover

PCB from the top

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