Communication control apparatus for digital devices
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04Q-011/04
H04J-003/00
출원번호
US-0551292
(1983-11-14)
발명자
/ 주소
De Vita, Joseph P.
Mulder, Thomas J.
O'Mohundro, Kenneth J.
Wellington, Leslie J.
Deeter, Wayne R.
Sternaman, Larry D.
출원인 / 주소
Able Computer
대리인 / 주소
Hollingsworth, Don A.
인용정보
피인용 횟수 :
76인용 특허 :
3
초록▼
Communication control apparatus for interconnecting one or more digital devices to one or more other digital devices, or more specifically for interconnecting a moderate to large number of user terminals, main frame computer systems, minicomputers, remote digital devices, and the like, using some of
Communication control apparatus for interconnecting one or more digital devices to one or more other digital devices, or more specifically for interconnecting a moderate to large number of user terminals, main frame computer systems, minicomputers, remote digital devices, and the like, using some of the concepts inherent in statistical multiplexers, intelligent switches, and local area network devices, all implemented in a compact configuration to produce a flexible and cost effective approach to data communication interfaces. The communication control apparatus replaces and simplifies the actual terminal connections from the computer interface(s) and then adds substantial system enhancements for the manager while retaining software and protocol transparency. A local communication bus is provided for routing of data and control signals internally of the control apparatus. A plurality of synchronous or asynchronous line adapters transreceives corresponding synchronous or asynchronous serial data inputs on a similar corresponding plurality of line ports from respective device terminals, the input data being selectively applied to the local communication bus. A high speed data composite transmission line is provided for transreceiving data between the control apparatus and a remote digital device, such as a host computer. A link interface at the local end of the composite transmission line provides a communication path between the local communication bus and the composite transmission line. A digital device (computer) interface adapter at the remote end of the composite transmission line communicates data between the high speed composite transmission line and a processor bus of the digital device, and a supervisor and bus control device provides source and destination routing control of data on the local communication bus between the line adapters and the link interface.
대표청구항▼
1. A communication control apparatus for interconnecting a plurality of digital devices in a digital data communication network, comprising: a local communciation bus for routing of digital data and control signals internally of said control apparatus; at least one digital data line adapter for
1. A communication control apparatus for interconnecting a plurality of digital devices in a digital data communication network, comprising: a local communciation bus for routing of digital data and control signals internally of said control apparatus; at least one digital data line adapter for transreceiving digital data on a corresponding line port coupled to a respective user digital device; means in said adapter for selectively applying said digital data to said local communication bus; a high speed data composite transmission link for transreceiving data between said control apparatus and a remote digital data processor; a link interface means at the local end of said composite transmission link for providing a communication path between said local communication bus and said composite transmission link; a digital data processor interface adapter at the remote end of said composite transmission link for communicating data between said high speed composite transmission link and a processor bus of said digital data processor; and a supervisor and bus control means at said local end of said composite transmission link for providing source and destination routing control of data on said local communication bus between said at least one line adapter and said link interface means. 2. The communication control apparatus as claimed in claim 1, wherein each of said line adapters are asynchronous. 3. The communication control apparatus as claimed in claim 1, wherein each of said line adapters are synchronous. 4. The communication control apparatus as claimed in claim 1, wherein said high speed data composite transmission link is a protocol dependent interconnect transmission line. 5. The communication control apparatus as claimed in claim 1, wherein said supervisor and bus control means includes first and second asynchronous ports, said first port having the function of a terminal operator control port, and said second port having the function of a printer output port for providing hard copy of said source and destination routing control data. 6. The communication control apparatus as claimed in claim 2, wherein: said plurality of asynchronous line adapters are organized into a single asynchronous multi-line adapter unit, said multi-line adapter unit comprising said plurality of asynchronous line adapters and said means for applying said input data to said local communication bus. 7. The communication control apparatus as claimed in claim 6, including additional asynchronous multi-line adapter units, each additional multi-line adapter unit including a separate plurality of asynchronous line adapters and a separate means for applying the input data from said additional asynchronous line adapters to said local communication bus. 8. The communication control apparatus as claimed in claim 4, including a second high speed data composite transmission line for transreceiving data between said control apparatus and a remote digital device at the remote end of said second composite transmission line; and a remote digital device interface adapter at the remote end of said second composite transmission line for communicating data between said second high speed composite transmission line and a data bus of the remote digital device. 9. The communication control apparatus as claimed in claim 8, wherein said remote digital device is the link interface means of a similar one of said communication control apparatus. 10. The communication control apparatus as claimed in claim 4, including: at least one additional high speed data composite transmission line for transreceiving data between said control apparatus and a remote user digital device; and a second link interface means at the local end of said second composite transmission line for providing a communication path between said local communication bus and said second composite transmission line. 11. The communication control apparatus as claimed in claim 4, including: a digital processor comprising a store and forward means for storing data to be transmitted along said high speed data composite transmission line and for forwarding said data along said composite transmission line. 12. A communication control apparatus for interconnecting a plurality of digital devices in a digital data communication network, including at least one user digital device and at least one digital data processor with associated processor bus, said apparatus comprising: a programmable electronic switch means for asynchronous connection to said user digital devices, and for synchronous connection to a protocol dependent data link; a host adapter for asynchronous connection to the processor bus of said digital data processor, and for synchronous connection to said data link; and means in said switch means for controlling routing options and for dynamic reconfiguration of said connections within said switch means. 13. The communication control apparatus as claimed in claim 9, wherein said data processor is a digital computing device. 14. The communciation control apparatus as claimed in claim 11, wherein said store and forward means comprises circuit means for storing said data to be transmitted and for forwarding said data along said composite transmission line under control of said supervisor and bus control means. 15. A communication control apparatus for interconnecting a plurality of digital devices in a digital data communication network, comprising: a local communication bus for routing of digital data and control signals internally of said control apparatus; at least one digital data line adapter for transreceiving digital data on a corresponding line port coupled to a respective user digital device; means in said digital line adapter for selectively applying said digital data to said local communciation bus; a high speed data composite transmission link for transreceiving data between said control apparatus and a remote digital data processor; a link interface means at the local end of said composite transmission link for providing a communication path between said local communication bus and said composite transmission link; and a supervisor and bus control means for providing source and destination routing control of data on said local communication bus between said line adapters and said link interface means.
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