Communication system between communication cards mounted separat

Details Communication system between communication cards mounted separat Communication system between communication cards mounted separat

1993-01-25

1995-03-21

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 97, H04B 336

Patent

active

054003326

ABSTRACT:
A system for carrying out data communication between a plurality of communication cards which respectively fall into a plurality of shelves and are mounted therein. The communication system has data buses each provided for each shelf and used to perform data transfer. When two communication cards to be subjected to the data transfer belong to different shelves, a bus repeater latches data of the communication card on the transmission side and sends the latched data to a data bus of a shelf to which the communication card on the reception side belongs. Further, an exchange control card specifies a pair of addresses to thereby determine which two communication cards of the plurality of communication cards should be subjected to data transfer.

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R. A. Scheetz et al., "A VME-VMX Interface to Fastbus via the Lecroy 1821 Segment Manager", IEEE Transactions on Nuclear Science, vol. 34, Aug. 1987, N.Y., pp. 1036-1038.

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