SWITCHING LEVEL OF AN OPERATOR FOR A PACKET DIGITAL DATA SWITCHING NETWORK

摘要

P THE INVENTION CONCERNS THE LEVEL OF SWITCHING OF AN OPERATOR FOR A PACKET DIGITAL DATA SWITCHING NETWORK. /P P THIS LEVEL OF SWITCHING INCLUDES BIDIRECTIONAL DOORS WHICH EACH INCORPORATE A 12 DOOR AN OUTPUT DOOR 13 PRECEDED BY STORAGE DEVICES USED WITH RAMS, EACH INPUT DOOR CAN BE CONNECTED TO ANY OF THE OUTPUT DOORS VIA AN OMNIBUS LINE THAT IS MANAGED BY A UNIQUE CONTROL CIRCUIT 15. /P P THE INVENTION APPLIES TO TELEPHONY. /P