Owner`s manual

Page 3
Rear Panel
The rear panel consists of:
DC 12V Power: Plug in the included 12V DC 1A power supply.
Sensor Inputs: Connect the sensors 3.5mm plug to an available port.
The following URC sensors, with their respective model numbers, are
compatible with the MRX-4SEN:
Voltage Sensor SEN-VOLT
Video Sensor SEN-VID
Contact Closure Sensor SEN-CCLS
Light Sensor SEN-LITE
Current Sensor (Magnetic Field) SEN-CMF
Audio Sensor SEN-AUD
Mini USB connector: For future firmware upgrade use!
MRX-4SEN SENSOR EXTENDER