ARRANGEMENT FOR DATA TRANSMISSION UPON UTILIZATION OF THE TELEPHONE NETWORK

摘要

For modem connections via telephone lines, modems (MODCh1, MODCh2) that respectively correspond to the modems (MOD1, MOD2) of the terminal equipment side are arranged in the subscriber line circuits (TSCH1, TSCH2) of the telephone switching centers as close as possible to the entry point of the subscriber line circuits. Modem communication only respectively betwe en these pairs.