Dometic Thermostat

Dometic Thermostat with digital jack connection I wish to change to another thermostat available in any store but the problem is I can not find a thermostat with a phone jack connection Do you have a pattern where the 4 son must be connected with another thermostat create works with the AC / heat
Bob tx

Tons of information these guys including diagrams:

http://www.dinosaurelectronics.com/Cust_ ...