Vaisala HMT310 - Manual (Page 33)

Chapter 3 _______________________________________________________________ Installation
VAISALA _______________________________________________________________________ 33
Screw Terminal Connector
0507-045
Figure 14 Screw Terminal Connector
The following numbers refer to Figure 14 above:
Color Function
1 White (WHT) = RS-232 TX
2 Brown (BRN) = RS-232 GND
3 Green (GRN) = CH2+
4 Yellow (YEL) = CH1+
5 Grey (GREY) = Supply-/CH1-/CH2 -
6 Pink (PINK) = Supply+
7 Blue (BLU) = RS-232 RX
8 Red (RED) = Not connected