TERMINAL ADAPTOR WITH ISDN COMMUNICATION MODE AUTOMATIC SELECTING FUNCTION

摘要

PURPOSE: To automatically select the communication mode and the item of an ISDN line suitable for a characteristic of information before communication start and during communication. ;CONSTITUTION: A CPU 1 monitors an information quantity of a CME (communication memory) 3 storing tentatively transmission information and an NCU (network control unit) 4 sets up a call to an ISDN-C (line exchange mode) when the operating rate of a CME 3 exceeds a specified upper limit. When the operating rate of the CME 3 reaches the specified lower limit or below, the NCU 4 sets up a call to an ISDN-P (ISDN line packet exchange mode).;COPYRIGHT: (C)1994,JPO&Japio