Selective voltage supply system for data network distributor

Details Selective voltage supply system for data network distributor Selective voltage supply system for data network distributor

1986-07-21

1988-10-25

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

307 43, 307 38, H04Q 900, G06F 1556

Patent

active

047807148

ABSTRACT:
In a data network distributor adapted to connect a plurality of data stations with each other directly, and with remote stations over a network bus, a selective voltage supply system allows units shared in common with the local data stations to be powered only as needed, and to draw power from the individual data stations requiring service. Individual power sources in each data station are connected to a common line through decoupling diodes and current limiting resistors, and the common line supplies a plurality of voltage supply units which are operative to supply power to commonly used units as needed, including transmitting and receiving units for the network bus, a data diversion device for diverting local communications from the network bus, and a common control circuit for data collision recognition.

REFERENCES:
patent: 4371789 (1983-02-01), Chen et al.
patent: 4546351 (1985-10-01), Nambu
patent: 4593349 (1986-06-01), Chase et al.
patent: 4608504 (1986-08-01), Yamamoto
patent: 4635195 (1987-01-01), Jeppesen et al.
Siemens Telecom Report, vol. 3 (1980) pp. 203-206.
Proceedings of the IfIP Working Group 6-4, "Local Networks for Computer Communications" (1981) pp. 43-60.
Telecom Report 5 (1982) "Local Area Networks"--Hochgeschwindigkeitsnetze fur die Burokommunikation.

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