THe ELK-M1XSP is both a lighting/thermostat interface and a Serial Port Expander, all-in-one.
The M1XSP connects to the 4-wire M1 keypad data bus. Jumpers automatically select the correct application, connection, and protocol. A cable and black surface mount housing are included.
The M1Gold and M1EZ8 Controls can support a maximum of 7 M1XSPs.
Also known as
- Elk M1XSP Lighting/Thermostat Interface, Serial Port Expander