Multiplex transmission method

Details Multiplex transmission method Multiplex transmission method

1997-01-21

1999-08-17

Ton, Dang

Multiplex communications

Fault recovery

370450, H04J 302

Patent

active

059403667

ABSTRACT:
Basic nodes each having a communication control circuit and a CPU and I/O nodes each having a communication control circuit are interconnected via a bus. Each of the communication control circuits makes the bus active when transmitting a frame therefrom, and on judging that the bus is not active when receiving the frame, suspends the frame transmission and enters a transmission inhibited state. The basic nodes periodically transmit a frame, and when this frame is received, each I/O node cancels its transmission inhibited state and thus is restored to the state in which the frame transmission therefrom can be initiated.

REFERENCES:
patent: 5515418 (1996-05-01), Yamaguchi et al.
patent: 5796717 (1998-08-01), Shinbashi et al.

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