URC MRF-300 Owners Manual - Page 7

MRF-300 BASE STATION Copper colored conductor is GROUND (Sleeve of the Plug). Silver colored conductor is IR DATA (Tip of the Plug). When connecting to a components rear panel IR Input, cut the flasher off of the wire, strip the two conductors and connect to the rear panel IR Input.The MRF-300 is only compatible with standard IR Inputs, not proprietary control systems such as Control S. Daisy Chain Multiple MRF-300's to One RFX-150 RF Sensor Use the cable with 3.5mm Stereo Mini plugs on both ends to daisy chain as many MRF-300's as you need. Simply connect the RF OUT of the first to the RF IN of the next and so on down the line. RF OUT of the RFX-150 to the RF IN of the MRF-300. By daisy chaining MRF-300's, you can easily control up to 90 identical components. RF OUT of the first MRF-300 to the RF IN of the next MRF-300. Step 3 - Connect the RFX-150 to the RF IN, but DO NOT MOUNT IT! Plug the 3.5mm plug into the RFX-150's RF OUT jack. Connect the other end of the cable to one of the two RF IN on the MRF-300, When connecting a single RFX-150 to the MRF300 utilize the cable with 3.5 mm plugs on both ends. When you need a longer wire or are connecting up to three RFX-150's, use the cable with a plug on one end and tinned ends. These can be extended as much as 200', then connected to the green removable screw connector (which plugs into the alternate RF IN). The RED connects to 5V, the WHITE to DATA and the BLACK connects to GROUND. Page 4