| 摘要 |
A telephone network access adapter 34 for a computer includes a number of line ports 24-28 for connection to telephone network lines, a subscriber port 48 for connection to subscriber telephone equipment, a video port 46 for connection to video equipment and a computer port 66 for connection to computer equipment. A subscriber interface 42 is connected to the subscriber port. A video interface 44 is connected to the video port. A line interface 38 selectively connects the external telephone line(s) to the subscriber interface and/or the video interface. A controller 52 is connected to the computer port for controlling the operation of the adapter. The adapter is able to connect the subscriber telephone equipment and/or the video equipment and/or the computer equipment to a selectable number of external telephone lines, thus providing a flexible connection to the telephone system.
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