Power supply system for optical network unit of a fiber in the l

Details Power supply system for optical network unit of a fiber in the l Power supply system for optical network unit of a fiber in the l

1994-03-17

1995-11-21

Boudreau, Leo H.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

379413, 379399, 379412, H04B 1008, H04M 900

Patent

active

054692822

ABSTRACT:
A power supply system for an optical network unit in a Fiber In The Loop controls an electric current supplied to optical network units, while maintaining currently established communication channels, by prohibiting establishment of further communication channels. Each of the network units are connected to a plurality of subscriber terminals. A remote terminal is provided with a power supply unit. An electric current is supplied to the optical network units from the power supply unit. A current detecting unit, provided to the power supply unit, detects a current supplied to the optical network units, and outputs a current detection signal when the current supplied to the optical network units exceeds a predetermined level. A line interrupting unit, provided in said remote terminal, interrupts a communication line which is currently not in service when the current detection signal is supplied.

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patent: 5046089 (1991-09-01), Pariani et al.
patent: 5054050 (1991-10-01), Burke et al.
patent: 5163090 (1992-10-01), Pawlowski et al.
patent: 5222119 (1993-06-01), Asano
patent: 5323453 (1994-06-01), Arras et al.
patent: 5323460 (1994-06-01), Warner et al.
patent: 5349457 (1994-09-01), Bears
patent: 5367569 (1994-11-01), Roach et al.

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