Passive-active terminal adapter and method having automatic...

Details Passive-active terminal adapter and method having automatic... Passive-active terminal adapter and method having automatic...

H - Electricity

04

B

H04B 3/20 (2006.01) H04N 17/04 (2006.01) H04N 5/44 (2006.01)

Patent

CA 2670486

Return loss due to excessive signal reflection into a cable television (CATV) network from an inoperative or abnormally operative terminal adapter is minimized, to communicate enhanced passive downstream signals to passive subscriber devices such as "life-line" telephone sets. A predetermined termination impedance is substituted for an active branch circuit of the terminal adapter whenever reduced input voltage, over-current or under-current conditions exist in the terminal adapter.

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