System Configuration Options
1-Wire Indoor Sensor/Interface Kit

T-238 Example Option 1
T-238 Example Option 2
WXN Example Option 1
WXN Example Option 2

WXN: Example Option 3

This configuration shows the T-238 used directly with the X1W-2 outside board, while the X1W-1 inside board is used to provide all the interfaces provided by the board. See the sections on the EMP sensor, rain gauge heater and aspirator control for implementation details.