Marmitek X-10 User Manual download pdf (Page 5)

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SIGNAL RANGE

Range of Marmitek X-10 signals over the Power Line and

how to increase the range.

The Marmitek X-10 System is based on power line

communication. The range of the Marmitek X-10 signals very

much depends on the local circumstances. On average the

range is a cable length of 80 meters.

If you have difficulties with the range of your Marmitek X-

10 signals, please pay attention to the following facts:

1. When more than one phase is used for your electrical

system, it is necessary to couple these phases for the

Marmitek X-10 signals. For coupling you can use FD10 Phase

Couplers/Filters. You only need to install a Phase

Coupler/Filter when your wall outlets and light switches are

divided over more than one phase (more than one group is no

problem). For bigger buildings or longer distances we advice

you to use an active repeater instead of passive FD10’s.

2. It is possible that Marmitek X-10 signals are attenuated by

devices and lights which are connected to the power line. In a

normal home situation this effect is negligible (the Marmitek X-

10 system is using active gain control to eliminate the effects).

However, it is possible that a particular device in your house is

attenuating the signals so much that the range of Marmitek X-

10 signals is decreased significantly. When you have range

problems, it is wise to try to locate the device which is

attenuating the signals simply by unplugging devices from the

power line, and testing the differences in range for your

Marmitek system. When e.g. your conclusion is that e.g. your

computer monitor is attenuating the signal, you can use a

FM10 Plug-in Filter between the power line and the monitor to

eliminate the effects.

Known devices which can cause attenuation are:

PC Monitors

PCs with heavy internal power supplies

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Marmitek X-10 User Manual Page 5