Converting RF to Powerline

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Why do I need a transceiver?


X10 home automation and camera systems use two types of signals - Radio Frequency (RF), and Power Line Carrier (PLC).

When triggering an X10 module or wall switch from a remote control, the signal is sent from the remote via RF on a specific house code. This signal is received by the transceiver (either TM751, RR501, CM15A, or security console) on a matching house code. The transceiver then forwards the signal onto the house wiring. This is now a PLC signal. Any modules that match the house and unit code transmitted will either turn on or off, depending on the signal sent. The camera power supply's are addressable, and act just like a lamp or appliance module.

Because the camera power supply's and modules do not have a antennas, they are unable to pick up the RF transmission directly from the wireless remote (or a motion detector). They need the transceiver to act as a sort of "middle man." A transceiver is not included with one-camera purchases because there is no need to switch between camera views, so there is no need to turn the camera on and off (it powers up in the on state when you plug the power supply in). When you see how easily the system can be expanded, you might want to purchase additional cameras. At that time you will need to purchase a Transceiver and a PalmPad remote to control your additional cameras as described above.