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Communications switching system with modular switching communications peripheral and host computer

  • US 4,527,012 A
  • Filed: 01/31/1983
  • Issued: 07/02/1985
  • Est. Priority Date: 01/31/1983
  • Status: Expired due to Term
First Claim
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1. A communication switching system which comprises communications switching means having a plurality of ports and effecting switching events at said ports including making connections between a plurality of telephone lines and/or trunks connected to said ports, host computer means for generating digital signal commands having a predetermined structure and corresponding to a plurality of switching events and for receiving digital signal responses also having said predetermined structure and being related to the execution of said switching events at said ports, interface means for linking said computer means and said switching means in communicating relationship for said digital signals, said switching means having processing means responsive to said commands for formatting and scheduling telephone switching data and executing said data for carrying out said switching events at said ports, and said switching means also having means for conveying said commands to said processing means for the ones of said ports at which said switching events are to be carried out for controlling said events exclusively in response to said commands and the state of said ports.

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