Figure 1: RS-232 / SDI-12 Non-heated



1) Power (5 to 32VDC) is supplied through Black and Red wires with Red being positive.

2) For SDI-12 interface connect both Yellow and Orange wires to SDI-12 Data lines of the data logger.

3) For RS-232 interface to the PC, connect Yellow wire to Pin 2 and Orange wire to Pin 3 of the PC DB9    connector.


REV: 13G25

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