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Multichannel communication processing system

  • US 5,278,836 A
  • Filed: 03/15/1991
  • Issued: 01/11/1994
  • Est. Priority Date: 03/15/1990
  • Status: Expired due to Fees
First Claim
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1. A multichannel communication processing system, in a communications exchange for simultaneously executing communications on a plurality of lines, comprising:

  • a line control means for analyzing receiving frames simultaneously received through a plurality of lines and channel-controlling transmitting frames simultaneously transmitted through said lines;

    a DMA control means for transferring frames not via a host processor but directly to a main memory;

    a memory for storing a variety of data and a communication protocol processing program;

    a CPU for controlling said communication processing system as whole to effect simultaneous communication processing by use of said data and said communication protocol processing program stored in said memory; and

    a line correspondence means including line correspondence units corresponding to said plurality of lines, each line correspondence unit being disposed between a corresponding line and said line control means, each line correspondence unit effects serial interface between a channel of a corresponding line and said line control means.

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