Digital subscriber line color fax machine for e.g. enterprise, has asymmetrical digital subscriber line modem shared through filter to split telephone line to function as fax-modem for sending color fax by file transfer protocol

摘要

The machine has a color scanner (2) for scanning color documents, and a color printer (3). A fax-modem (4) is connected to a telephone network (7) for transmitting black and white fax. An asymmetrical digital subscriber line (ADSL) modem is shared through a filter to split a telephone line to function as a fax-modem for sending color fax by a file transfer protocol (FTP). A computer (1) controls the scanner, printer and fax-modem.