A tool is described for shunting a multi-tap for an RF cable system by connecting a low-pass filter between an unused input port and an unused output port of the multi-tap. The components of the filter are such as not to interfere with the circuits of the multi-tap when both are in the circuit. A light...http://www.google.fr/patents/US6025760?utm_source=gb-gplus-shareBrevet US6025760 - Tool for shunting a cable multi-tap
