Using ws425 cables with adapters, Adapter cable for ws425 serial output, Table 31 – Vaisala WMT700 User Manual
Page 103: Pin-outs for ws425 serial adapter cable (227569sp)

Chapter 4 ________________________________________________________________ Installation
Using WS425 Cables with Adapters
If a retrofit installation using WMT700 cables is not possible,
there are adapters available for most situations.
- Adapter Cable for WS425 Serial (227569SP)
- Adapter Cable for WS425 Analog Frequency Output
(227570SP)
- Adapter Cable for WS425 Analog Voltage Output (227571SP)
The adapter cable specifications in this section apply for both
heated and non-heated versions of WMT700.
NOTE
FIX30 is not compatible with adapter cables due to the small diameter of
the mast.
Adapter Cable for WS425 Serial Output
The Adapter Cable for WS425 Serial (227569SP) can be used
with the WS425 cables ZZ45203 and 010411.
Table 31 below lists the adapter pin-outs and signal descriptions
as they appear on their user guides for both WMT700 and WS425
connectors.
Table 31
Pin-Outs for WS425 Serial Adapter Cable
(227569SP)
WMT700
Connector
Pin
WMT700 Signal
Description
WS425
Connector
Pin
WS425 Signal
Description
WS425
Wire
Color
1
Operating Power
Supply
11
+12 VDC
Brown
3
COM2: Rx-/
RS232RX
10
Data in (RxD) (R-)
(RT-)
Blue
4
COM2: Tx-/
RS232TX
9
Data out (TxD) (T-)
(RT-)
Red
5
Heater Power
Supply
16
+36 VDC
Gray/Pink
7
Heater Power
Supply Ground
3
GND
Green
10
COM2:
Communications
Ground
8
GND
Yellow
11
Operating Power
Supply Ground
1
GND
Black
14
COM2: Tx+
12
Data out (T+) (RT+) White
15
COM2: Rx+
14
Data in (R+) (RT+)
Pink
VAISALA _______________________________________________________________________ 101