Channel redundancy in a digital loop carrier system

Details Channel redundancy in a digital loop carrier system Channel redundancy in a digital loop carrier system

1988-08-10

1989-10-31

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

370 13, 370 14, 371 82, 371 201, 379 27, H04K 100

Patent

active

048780480

ABSTRACT:
A channel redundancy system for use with a central office connected to a remote location. A central office terminal at the central office has a plurality of channel units including at least one spare channel unit. A remote terminal at the remote location also has a plurality of channel units including at least one spare channel unit. The channel units in the remote terminal are correspondingly associated with the channel units in the central office termimal. From a repair service bureau located remote from both the central office and the remote location in a defective channel unit can be identified and replaced by the spare channel unit.

REFERENCES:
patent: 4270030 (1981-05-01), Brolin et al.
patent: 4424421 (1984-01-01), Townsend et al.
patent: 4653043 (1987-03-01), Brady et al.

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