可连接普通电话，无绳电话，传真机，电脑调制解调器。
Can connect normal telephone, cordless telephone, facsimile machine, computer modem.
电脑、调制解调器和打印机不需要一天24小时都开着。
Computers, modems and printers don't need to be left on 24 hours a day.
拨号上网需要一台电脑、一个调制解调器和一条电话线。
For dial-up connection, you need a computer, a modem, and a telephone line.
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