Electronic digital PCM time-division exchange with decentralized

Details Electronic digital PCM time-division exchange with decentralized Electronic digital PCM time-division exchange with decentralized

1983-10-24

1986-01-28

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 67, H04Q 1104

Patent

active

045675899

ABSTRACT:
A PCM time division exchange with decentralized processing having a central processing unit connected by means of a switching network to several racks, each rack has a message microcontroller and several port cards. The message microcontroller is responsible for the signal dialogue between the different ports and it exchanges telephone messages with the central processing unit.

REFERENCES:
patent: 4322843 (1982-03-01), Beuscher et al.
patent: 4455645 (1984-06-01), Mijioka et la.
patent: 4466095 (1984-08-01), Kawano et al.
T. Uchiyama et al., "Digital Data Switching Control System", Review of the Electrical Commun. Lab., vol. 28, No. 5-6, May-Jun. 1980, pp. 338-349.

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