Reframing method for a carrier system having a serial digital da

Details Reframing method for a carrier system having a serial digital da Reframing method for a carrier system having a serial digital da

1974-10-23

1976-02-24

Claffy, Kathleen H.

H04J 306

Patent

active

039405630

ABSTRACT:
A reframing method for a T1 carrier type pulse code modulation digital data system utilizes the combination of the terminal frame code and the signalling code wherein four consecutive framing bits provide a unique four bit code indicating any one frame of a 12 frame. The method includes the steps of searching for the terminal frame code, synchronizing the framing code generator with the unique 4 bit code, and thereafter checking the three subsequent frames to insure proper reframing.

REFERENCES:
patent: 3772475 (1973-11-01), Loffreda
patent: 3794773 (1974-02-01), Jacob
patent: 3798378 (1974-03-01), Epstein

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