<div class="quote"><b>以下是引用<i>龙岩动力</i>在2009-6-26 17:12:00的发言:</b><br/>
<p><a title="" href="http://www.rdgcw.com/" target="_blank">485</a><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times new=" Roman?? ?Times mso-hansi-font-family: Roman?; New? new="New">总线的通讯距离可以达到</span><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1200" unitname="米"><span lang="EN-US">1200</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times new=" Roman?? ?Times mso-hansi-font-family: Roman?; New? new="New">米</span></st1:chmetcnv><font size="3"><span lang="EN-US">.<br/></span></font></p>
<p>我用全铜的网络线,拉了1500米,一样可以,不知道有没有人拉更长的?</p></div>
<p>485通讯,不加中继器,1500米,还可以正常使用?呵呵。大家都知道是怎么回事,呵呵</p> |