D-5 Channel bank control structure and controller

Details D-5 Channel bank control structure and controller D-5 Channel bank control structure and controller

1987-08-17

1989-07-18

Atkinson, Charles E.

Excavating

G06F 1110

Patent

active

048499773

ABSTRACT:
A channel bank unit for interfacing baseband user signals with a PCM carrier communications channel. The channel bank unit includes a circuit allowing verification of the transmission interity between the channel bank unit and external equipment having two-way communication with the channel bank unit. The circuit includes a first portion for evaluating the reception integrity of signals received from the external equipment and a second portion for imposing a parity sense on the signals transmitted to the external equipment that is related to the evaluation results of the first portion.

REFERENCES:
patent: 3091752 (1963-05-01), Randles
patent: 3102253 (1963-08-01), Blodgett
patent: 3404372 (1968-10-01), Robbins
patent: 3938083 (1976-02-01), Stansfield
patent: 4271521 (1981-06-01), Mahmood
patent: 4346474 (1982-08-01), Sze
patent: 4476350 (1984-10-01), Aull et al.

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