如果您利用调制解调器连接到互联网，选择调制解调器按钮。
If you are using a modem to connect to the Internet, select the modem button.
有多种连接方式可供选择，因为标准中并未涵盖零调制解调器连接。
Several wiring layouts are in use, because the null modem connection is not covered by a standard.
最近几年以来，DSL和电缆调制解调器为Web设计人员和开发人员提供了新的选择。
In the last couple of years, DSL and cable modems have opened up new alternatives to Web designers and developers.
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