| 摘要 |
A remotely controlled disconnect-reconnect tap for a cable television system having a head end feeding a cable distribution system. The tap comprises means for receiving and detecting a plurality of pairs of tones modulated on a carrier and sent over the cable distribution system from the head end, means responsive to a predetermined sequence of said pairs of tones for developing a control signal, and switch means responsive to the control signal which turns off if already on or on if already off to thereby disconnect or reconnect, respectively, a subscriber to the cable distribution system.
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