User manual

Known devices which can cause attenuation are:

PC Monitors

PCs with heavy internal power supplies

Old Televisions

Copiers

Fluorescent Lights

Gas Discharge Lamps (Energy Saving Lamps)

3. Some (old) devices are able to disturb the signal by transmitting

noise on the power line. Because the Marmitek X-10 signals are

transmitted on 120 kHz, only noise on or near this frequency will have

influence on the range. When you use a FM10 Filter to connect this

device to the power line, the noise will be filtered.

4. The Marmitek X-10 protocol has several mechanism to avoid

modules to be switched on or off by other sources than your

Marmitek X-10 Controllers. However, it is possible that the Marmitek

X-10 signals are disturbed by e.g. baby phones which are in TALK

mode (continuous transmission). When these kind of signals are

present on the power line it is possible that the Marmitek X-10 signals

will not come through.

5. The mains do not stop at the front door of your home. Everything

that is attached

to mains nearby your home can have influence on Marmitek X-10

signals (e.g. heavy machinery). If you think that your system is

influenced by devices out of your house, it is advisable to install FD10

Phase Coupler/Filter on each phase entering the house. These filters

will block signals coming into or going out of your house, but will

also match the impedance for the mains. The FD10’s will not only

filter but will also couple the phases (please see 1).