Telephonic communications – Centralized switching system – Structure of equipment
Patent
1987-11-19
1989-05-23
Dwyer, James L.
Telephonic communications
Centralized switching system
Structure of equipment
379334, 379335, H01Q 360
Patent
active
048337080
ABSTRACT:
A telecommunications system includes at least one central office having an electronic supervisor for supervising a plurality of outside plant electronic cross-connect cabinets and a plurality of electronic cross-connect cabinets located remotely from the central office for automatically connecting and disconnecting distribution pairs to feeder pairs terminated at the cabinets. Each cabinet is connected to the electronic supervisor via a control pair in a feeder cable extending from the central office to the cabinet. The electronic supervisor at the central office automatically locates, verifies the identity of, and supervises automatic switching operations at a selected one of the plurality of electronic cross-connect cabinets by providing operating power and signalling information to the selected one via the control cable to which it is attached. Details of the electronic cross-connect cabinet independently form an aspect of the present invention.
REFERENCES:
patent: 3462557 (1969-08-01), Brooks et al.
patent: 3917908 (1975-11-01), Galluccio
patent: 4670626 (1987-06-01), Fisher et al.
Dwyer James L.
Harrison David B.
Remote Switch Systems, Inc.
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