Smart RF Repeater (SR751) Operating Instructions

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How do I setup my SR751 Smart RF Repeater?


The RF Smart Repeater is designed to increase the range of X10 Automation wireless remote controls and motion sensors that operate at 310 MHz and X10 Security remotes and sensors that operate at 433Mhz. It does this by boosting and re-transmitting RF signals it receives from those products.

Install the RF Smart Repeater centrally between the product that is transmitting and the device that is receiving the repeated commands. In some instances you might need to experiment with the location so that the receiving unit does not see both commands, although in most cases this is not a problem.

Installing the Smart RF Repeater

  • Plug the SR751 into and unswitched AC outlet. Choose an outlet that is mid-way between your Transceiver/Console and your furthest Module, Door/Window Sensor, Motion Detector or Remote Control etc.
  • Fully extend the RF antenna.

Testing the Smart RF Repeater with an X10 Automation Transceiver

  • Set the HOUSE CODE on any X10 Transceiver to “M”.
  • Turn the dial on the SR751 to the 'T' position. Press the TEST button on the Smart Repeater. The transceiver clicks on and off for each successive press.
  • If there is no response, try moving the SR751 closer to the transceiver and trying again.

Testing the Smart RF Repeater with an X10 Security Console

  • Mark the furthest distance from the console that you can ARM/DISARM from your security remote prior to installing the SR751 Smart Repeater.
  • Once the SR751 is installed check to see if the furthest distance from which you can ARM/DISARM the console has changed.
  • If there is no response: Check to see if the light blinks when an RF signal is transmitted - if not, move closer to the repeater. If the light does blink - try moving the SR751 to an outlet closer to the console.

For larger homes you may want to use more than one SR751. If you do use more than one, set the dial on each one to a different number (1-4) on the SR751’s repeater selection dial.

If using more than one RF Repeater You can test to check that one of them repeats the signal from the other by pressing the TEST button. This will help to determine the best position for each RF Repeater. The light on the first RF Repeater will turn on when you press its TEST button and the light on the second RF Repeater will turn on when it re-transmits the signal it receives from the first RF Repeater.

*You can use up to 4 RF Repeaters in the same house. Place at least 50 feet apart.