The receiving supply of electricity mannered null entry terminal of tap off utilization for amount wiring terminal joint of tap off and the CATV system for amount wiring terminal joint

摘要

PROBLEM TO BE SOLVED: To take out power which is sent while overlapping with a signal, from a tap-off. SOLUTION: In a tap-off for CATV is provided with an input terminal 1 and plural distribution terminals 2, an auxiliary terminal 3 connected to the input terminal 1 through chock coil C is installed. A tap-off 10 for CATV is connected to the end of a distribution line. CATV signals and power, which are distributed for respective subscribers, are outputted from the distribution terminals 2 of the tap-off 10. Power is taken out from the auxiliary terminal 3 of the tap-off 10 if it is needed, power is supplied to outside or power is inversely supplied from the auxiliary terminal 3.