Modular computer system connection rejection capability

Claim 1

IN A DATA PROCESSING SYSTEM INCLUDING A PLURALITY OF CONTROLLED MODULES AND PLURALITY OF CONTROLLING MODULES WHEREIN EACH CONTROLLING MODULE IS CAPABLE OF PROVIDING A PLURALITY OF DIFFERENT CONNECTION COMMANDS EACH OF WHICH UNIQUELY ADDRESSES ONE OF SAID CONTROLLED MODULES; INTERCONNECTING MEANS FOR ESTABLISHING COMMUNICATION PATHS BETWEEN ANY CONTROLLING MODULE AND ANY CONTROLLED MODULE IN RESPONSE TO SAID CONNECTION COMMANDS COMPRISING: A PLURALITY OF NORMALLY OPEN INFORMATION CHANNELS INTERCONNECTING EACH CONTROLLING MODULE WITH EACH CONTROLLED MODULE; A REGISTER ASSOCIATED WITH EACH CONTROLLING MODULE FOR STORING THE ADDRESS PORTION OF SAID CONNECTION COMMANDS; COMPARING MEANS ASSOCIATED WITH SAID REGISTERS FOR COMPARING A NEWLY ENTERED ADDRESS IN ANY REGISTER WITH ADDRESSES STORED IN ALL OTHER REGISTERS; MEANS FOR REJECTING CONNECTION COMMAND WHOSE ADDRESS PORTION IS IDENTICAL TO AN ADDRESS STORED IN ANY OTHER REGISTER; MEANS FOR ACCEPTING A CONNECTION COMMAND WHOSE ADDRESS PORT ON IS NOT IDENTICAL TO AN ADDRESS STORED IN ANY OTHER REGISTER; AND MEANS FOR CLOSING THE NORMALLY OPEN INFORMATION CHANNEL INTERCONNECTING THE COMMANDING CONTROLLING MODULE AND THE CONTROLLED MODULE ADDRESED BY AN ACCEPTED CONNECTION COMMAND.