ADAPTER AND METHOD OF CIRCUIT CONNECTION

摘要

A simultaneous use of a telephone terminal and a fax terminal which are connected with an adapter that is connected to two communication lines is allowed. An adapter 20 is connected with a telephone terminal and a fax terminal, and also connected to a public line and an IP network. The adapter 20 is characterized with a selector provided for coupling either one of a public line I/F 3 and an IP network I/F 4 and either one of a telephone terminal I/F 5 and a fax terminal I/F 6. <IMAGE>