Reconfigurable node for a hybrid fiber cable network

Details Reconfigurable node for a hybrid fiber cable network Reconfigurable node for a hybrid fiber cable network

Filed on

2006-05-02

Date issued

2006-05-02

Examiner

Phan, Hanh (Department: 2638)

Patent Class

Optical communications

SubClass

Multiplex

SubSubClass

Broadcast and distribution system

Other Related Categories

C398S070000, C398S072000, C398S066000, C398S067000, C398S068000, C398S079000, C455S003010, C455S001000, C455S001000, C725S129000, C725S119000, C725S127000, C725S114000, C725S149000, C725S120000, C725S111000, C725S126000, C725S105000, C370S352000, C370S389000, C370S476000, C370S400000, C370S535000, C370S474000

Type

Reexamination Certificate

Status

active

Patent number

07039317

Description

ABSTRACT:
A reconfigurable node for a hybrid fiber cable network includes fiber slots housing a transmitter or receiver interfacing to a head end, coax slots housing an RF brick interfacing with subscribers and RF plug-in modules providing connectivity between the fiber and coax slots. The plug-in modules include connection points, for connection to a fiber or coax slot. A fiber impedance element, associated with the transmitter or receiver in that fiber slot, is connected to each fiber slot. Each fiber impedance element has a different impedance value. A coax impedance element, associated with the RF brick in that coax slot, is connected to each coax slot. Each coax impedance element has a different impedance value. An impedance sensing circuit detects a DC level associated with each connection point which corresponds with the impedance element in a respective fiber or coax slot to determine the location of transmitters, receivers or RF bricks.

REFERENCES:
patent: 6577414 (2003-06-01), Feldman et al.
patent: 6751417 (2004-06-01), Combs et al.

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