Control system for communication switching systems

Claim 1

A COMMUNICATION SWITCHING SYSTEM COMPRISING A PLURALITY OF AUTONOMOUS SYSTEM UNITS, EACH TYPE FOR PERFORMING A DIFFERENT SWITCHING AND SUPERVISORY SYSTEM FUNCTION; A CENTRAL CONTROL ARRANGEMENT FOR DETERMINING AND GENERATING SYSTEM COMMANDS AT A FIRST MAXIMUM CYCLIC RATE; A PLURALITY OF CONTROL MEANS EACH RESPONSIVE TO SAID SYSTEM COMMANDS FOR SELECTIVELY CONTROLLING A DISCRETE ONE OF SAID SYSTEM UNITS AT A SECOND MAXIMUM CYCLIC RATE; A FIRST COMMAND TRANSMISSION BUS ARRANGEMENT CONNECTING SAID CENTRAL CONTROL ARRANGEMENT WITH ALL SAID CONTROL MEANS FOR TRANSMITTING EACH SAID SYSTEM COMMAND TRANSMITTED THEREON FROM SAID CENTRAL CONTROL ARRANGEMENT TO ALL SAID CONTROL MEANS; A SECOND COMMAND TRANSMISSION BUS ARRANGEMENT CONNECTING SAID CENTRAL CONTROL ARRAGNEMENT WITH ALL SAID CONTROL MEANS FOR TRANSMITTING EACH SAID SYSTEM COMMAND TRANSMITTED THEREON FROM SAID CENTRAL CONTROL ARRANGEMENT TO ALL SAID CONTROL MEANS; CENTRAL SIGNALING MEANS FOR SELECTIVELY GENERATING ENABLE SIGNALS DISCRETELY DEFINING EACH OF SAID CONTROL MEANS AND FURTHER DISCRETELY DEFINING EACH OF SAID COMMAND TRANSMISSION BUS ARRANGEMENT A PLURALITY OF SINGLA TRANSMISSION MEANS EACH DISCRETELY CONNECTING SAID CENTRAL SIGNALING MEANS WITH ONE OF SAID CONTROL MEANS; SAID CENTRAL SIGNALING MEANS CONTROLLABLE BY SAID CENTRAL CONTROL ARRANGEMENT TO GENERATE AN ENABLE SIGNAL DEFINING A SELECTED CONTROL MEANS AND A SELECTED COMMAND TRANSMISSION BUS ARRANGEMENT, SAID ENABLE SIGNAL IN TIME ASSOCIATION WITH A PARTICULAR SYSTEM COMMAND TRANSMITTED FROM SAID CENTRAL CONTROL ARRANGEMENT VIA SAID SELECTED COMMAND TRANSMISSION BUS ARRANGEMENT; ENABLE CIRCUIT MEANS IN EACH OF SAID CONTROL MEANS CONNECTED TO SAID DISCRETE SIGNAL TRANSMISSION MEANS; AND SAID ENABLE CIRCUIT MEANS OF SAID SELECTED CONTROL MEANS RESPONSIVE TO SAID ENABLE SIGNAL TO INITIATE ACCEPTANCE OF SAID PARTICULR SYSTEM COMMAND FROM SAID SELECTED COMMAND TRANSMISSION BUS ARRANGEMENT BY SAID SELECTED CONTROL MEANS.