Honeywell 1900GSR-2

12 - 4
Standard Cable Pinouts
Keyboard Wedge
10 Pin RJ41 Modular Plug connects to the base
1 Cable shield 2Cable select 3 Supply ground 4 Terminal data 5 Terminal clock 6 Keyboard clock 7 Supply power input +5V power 8 Keyboard data 9 10
Note: Pin assignments are not compatible with Honeywell legacy products.
Use of a cable with improper pin assignments may lead to damage to the unit.
Use of any cables not provided by the manufacturer may result in damage not
covered by your warranty.