Multichannel communication processing system
First Claim
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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Accused Products
Abstract
A multichannel communication processing system having line control apparatus means for analyzing receiving frames and channel-controlling transmitting frames, DMA control apparatus for transferring the data 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 the communication processing system as a whole and line correspondence apparatus including line correspondence units provided between the lines and the line control apparatus whereby serial interfaces with channels of the plurality of lines are effected.
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Citations
46 Claims
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1. A multichannel communication processing system, in a communications exchange for simultaneously executing communications on a plurality of lines, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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6. a multichannel communication processing system, a communications exchange for simultaneously executing communications on a plurality of lines, comprising:
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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; a line correspondence means including a plurality of 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 respective channel of a corresponding line and said line control means; and a multiplex control circuit, disposed between said line correspondence means and multiplex transmitting/receiving lines, for separating multiplexed data transmitted from said multiplex transmitting line, simultaneously supplying the data to said line correspondence units, multiplexing en bloc the data from said line correspondence units and simultaneously sending the data to said multiplex transmitting/receiving lines. - View Dependent Claims (7, 8, 9, 10, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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Specification