Bunching block for McCulloh circuits and method of operation

Details Bunching block for McCulloh circuits and method of operation Bunching block for McCulloh circuits and method of operation

1984-10-24

1986-09-09

Schreyer, Stafford D.

H04B 346

Patent

active

046111000

ABSTRACT:
A bunching block and method of operation is disclosed wherein the bunching block is adapted for use in a public utility central office to interconnect a plurality of user loops in series with a supervisory McCulloh receiver, the bunching block including separate connectors for respective connection in series with the receiver and with the respective user loops, separate switches having a normal operating position for connecting the user loops in series with the receiver, the switches being selectively operable at the public utility central office for facilitating rapid location of a fault in the series interconnected user loops. With a number of bunching blocks being employed in series at different central offices, additional switches are preferably provided which operate similarly for selectively isolating all of the user loops in a respective central office from the series connection with the McCulloh receiver.

REFERENCES:
patent: 3848241 (1974-11-01), LeNay et al.
patent: 3852718 (1974-12-01), DeLyria
patent: 3982242 (1976-09-01), Sheffield et al.
patent: 3983338 (1976-09-01), Mathauser
patent: 4253091 (1981-02-01), Frydman

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