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