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RS232接口介绍 - Acer Community
<main> <article class="userContent"> <h3> </h3><h3 data-id="rs232">问题:RS232是什么接口</h3><h3 data-id="-1"></h3><p><strong><em>介绍说明</em></strong></p><p>个人计算机上的通讯接口之一,由电子工业协会(Electronic Industries Association,EIA) 所制定的异步传输标准接口。通常 RS-232 接口以9个引脚 (DB-9) 或是25个引脚 (DB-25) 的型态出现,在投影仪上一般是一个圆形接口,在个人计算机上一般是COM1,COM2。</p><p>RS232端口连接图示</p><div class="embedExternal embedImage display-large float-none"> <div class="embedExternal-content"> <a class="embedImage-link" href="unsafe:Http://rnphoto.acer.com.cn/16022_1.jpg" rel="nofollow noreferrer noopener ugc" target="_blank"> <img class="embedImage-img" src="Http://rnphoto.acer.com.cn/16022_1.jpg" alt="image" height="180" width="320" loading="lazy" data-display-size="large" data-float="none"></img></a> </div> </div> <p><br></p><p>RS232 端口9针-3针连接图示</p><div class="embedExternal embedImage display-large float-none"> <div class="embedExternal-content"> <a class="embedImage-link" href="unsafe:Http://rnphoto.acer.com.cn/16022_2.jpg" rel="nofollow noreferrer noopener ugc" target="_blank"> <img class="embedImage-img" src="Http://rnphoto.acer.com.cn/16022_2.jpg" alt="image" height="180" width="320" loading="lazy" data-display-size="large" data-float="none"></img></a> </div> </div> <p><br></p><p>RS232端口9针-9针连接图示</p><div class="embedExternal embedImage display-large float-none"> <div class="embedExternal-content"> <a class="embedImage-link" href="unsafe:Http://rnphoto.acer.com.cn/16022_3.jpg" rel="nofollow noreferrer noopener ugc" target="_blank"> <img class="embedImage-img" src="Http://rnphoto.acer.com.cn/16022_3.jpg" alt="image" height="180" width="320" loading="lazy" data-display-size="large" data-float="none"></img></a> </div> </div> <p><br></p><p> </p><p> </p> </article> </main>
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