FEM Eltako Wireless Antenna module
Radio reception antenna module for the RS485 sub-bus. Standby loss of only 0.5 watt. SMA socket for small enclosed antenna. The reception range can be increased if a larger FA250 or FA200 radio antenna is connected in an optimized position. Housing dimensions LxWxH: 78x40x22mm. Up to three radio receiver modules in their own mini housing can, if necessary, be installed in any position in the building in addition to a FAM14 and with a 4-wire shielded sub-bus cable (e.g. Telephone line) to the main bus via a gateway FGW14. To do this, connect the RSA/RSB terminals of the FEM to the RSA2/RSB2 terminals of the FGW14. Also connect the terminals +12V/GND of the FEM to the terminals +12V/GND of the FGW14. The wiring of several FEM must be carried out with a cable in the form of a chain, as required by RS485 bus systems. A star-shaped wiring with one line per FEM is not permitted. For each of the three wireless receiver modules, the jumper has to be set to a different position. To do this, carefully open the housing at the intended place on the narrow side using a screwdriver. Blade width 6.5 mm, max. 1.5 mm Dick.This text is machine translated.