<p> 请问一下关于这个RS232怎么和PC进行串口<span class="relatedlink">通信</span>呢，不经过<span class="relatedlink">单片机</span>，两个网络端口是同一根线</p><br> <ignore_js_op> <dl class="tattl attm"> <dd> <img src="data/attach/1911/cfcez40pykd1jo8dkk3y6wor8z03n0qc.jpg" alt="QQ图片20190910100619.jpg" title="QQ图片20190910100619.jpg"> </dd> </dl> </ignore_js_op> <p><br></p>