Digital cross connection apparatus

Details Digital cross connection apparatus Digital cross connection apparatus

1991-01-03

1992-09-01

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082585, 34082589, 370 60, 370 84, 3642408, H04Q 1104

Patent

active

051442973

ABSTRACT:
A cross connection apparatus which performs cross connection using divided VT signals, as cross connection units, obtained by division of the VT sizes foming virtual tributary (VT) signals of input side transmission line signals into whole integers by a predetermined common size unit, wherein it is possible to perform cross connection by common hardware even if a plurality of types of VT signals having different VT sizes are input.

REFERENCES:
patent: 4670627 (1987-06-01), Fisher et al.
patent: 4967405 (1990-10-01), Upp et al.
patent: 4998242 (1991-03-01), Upp
patent: 5040170 (1991-08-01), Upp et al.

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