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