PRODUCT FEATURES:- Compatible with: KD-MC1000, KD-MC2500 and Digital IQ Series™ Matrix Switchers- Multi-function 3.5mm based Compass Control® Port – MPC35™: supports the following seven features: - IR output - IR Input - RS232 bi-directional - Voltage sensor - Voltage trigger - PCM audio sensor - Composite Video sensor- Converts: Any I/O Multifunction Compass® Control Port (MPC35™) to Contact Closure/Relay when set to 12V Output Voltage Trigger Mode- Contact Functionality: Contact Normally Open, if 12V applied – Contact Closed.- 3.5mm mono input connection: Use a male-to-male 3.5mm mono cable from KD-MC1000, KD-MC2500 and Digital IQ Series™ Matrix Switchers- One Contact Closure/Relay Output- Contact Closure Maximum Rating: 250V/2A- Maximum Distances: - 3.5mm mono cable: 10 feet - Contact Closure/Relay Output with one twisted pair of CAT5e/6 cable: 100 feet- No external power required