📄 61-modem25-25.htm
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<title>25针串口到25针modem连线</title>
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<p align="center"><font size="5" color="#0000FF"><strong><u>25针串口到25针Modem连线</u></strong></font></p>
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<td width="100%" align="center" height="26" bgcolor="#FFC8AA"><font color="#000080">[ <a target="_self" href="hardware.htm" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware.htm">返回目录</a> ]</font></td>
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<p><font color="#008080">电缆两端的到计算机的插头是 25 针母插头：</font></p>
<p><img src="conn_dsub25f.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/conn_dsub25f.gif" alt="25 PIN D-SUB FEMALE" WIDTH="171" HEIGHT="65"><br>
<font color="#008080">到 Modem 的一头是 25 针公插头：</font><br>
<img src="conn_dsub25m.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/conn_dsub25m.gif" alt="25 PIN D-SUB MALE" WIDTH="171" HEIGHT="65"></p>
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<td width="100%" align="center" height="24" bgcolor="#C8C8FF"><font color="#000080">引脚定义</font></td>
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<th bgcolor="#0000FF"> </th>
<th bgcolor="#0000FF"><font color="#FFFF00">Female</font></th>
<th bgcolor="#0000FF"><font color="#FFFF00">Male</font></th>
<th bgcolor="#0000FF"><font color="#FFFF00">Dir</font></th>
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<td bgcolor="#C8C8FF"><font color="#0000FF">Shield Ground</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">1</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">1</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrow.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrow.gif" alt="---" WIDTH="32" HEIGHT="9"></font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">Transmit Data</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">2</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">2</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="-->" WIDTH="32" HEIGHT="9"></font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">Receive Data</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">3</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">3</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="<--" WIDTH="32" HEIGHT="9"></font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">Request to Send</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">4</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">4</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="-->" WIDTH="32" HEIGHT="9"></font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">Clear to Send</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">5</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">5</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="<--" WIDTH="32" HEIGHT="9"></font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">Data Set Ready</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">6</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">6</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="<--" WIDTH="32" HEIGHT="9"></font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">System Ground</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">7</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">7</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrow.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrow.gif" alt="---" WIDTH="32" HEIGHT="9"></font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">Carrier Detect</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">8</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">8</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="<--" WIDTH="32" HEIGHT="9"></font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">Data Terminal Ready</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">20</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">20</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowr.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowr.gif" alt="-->" WIDTH="32" HEIGHT="9"></font></td>
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<td bgcolor="#C8C8FF"><font color="#0000FF">Ring Indicator</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">22</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF">22</font></td>
<td bgcolor="#C8C8FF"><font color="#0000FF"><img src="arrowl.gif" tppabs="http://linux.ustc.edu.cn/~xjiang/hardware/images/arrowl.gif" alt="<--" WIDTH="32" HEIGHT="9"></font></td>
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