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id="aimg_96091" aid="96091" src="static/image/common/none.gif" onclick="zoom(this, this.getAttribute('zoomfile'), 0, 0, '0')" zoomfile="data/attachment/forum/201608/16/163104x0oykw75okf9kywo.jpg" file="data/attachment/forum/201608/16/163104x0oykw75okf9kywo.jpg.thumb.jpg" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_96091_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>6.jpg</strong> <em class="xg1">(105.62 KB, 下载次数: 29)</em></p> <p> <a href="http://bbs.oecr.com/forum.php?mod=attachment&aid=OTYwOTF8YjM2NjI5MTJ8MTc2NjI3MzUzM3wwfDI5ODc3Mg%3D%3D&nothumb=yes" target="_blank">下载附件</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_96091" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=96091&handlekey=savephoto_96091">保存到相册</a> </p> <p class="xg1 y">2016-8-16 16:31 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> </div><div align="left"><strong><font face="微软雅黑"><font style="font-size:12pt">常规端口</font></font></strong></div><div align="left">波分复用（WDM）器是随着复用信号的出现而诞生的。对于一个复用器，复用信号将从常规端口发送出去。对于一个解复用器，复用信号将是在常规端口进行接收。</div><br /> <div align="left"><strong><font face="微软雅黑"><font style="font-size:12pt">扩展或升级端口</font></font></strong></div><div align="left">对于<strong><u><font style="color:rgb(0, 0, 255)"><font face="微软雅黑"><font style="font-size:12pt">粗波分复用（CWDM）器</font></font></font></u></strong>，通常会有一个升级或扩展端口，但这两个端口不会同时存在。在粗波分复用器&解复用器的升级或扩展端口主要用于添加，删除，或者通过额外的信道使两个CWDM复用/解复用模块级联，从而扩展光纤链路上的信道容量。</div><div align="left">对于<strong><u><font style="color:rgb(0, 0, 255)"><font face="微软雅黑"><font style="font-size:12pt">密集波分复用（DWDM）器</font></font></font></u></strong>，升级端口的目的是为了能够添加，删除或使信号通过尚未使用的C波段DWDM通道，C波段即1530nm - 1565nm的信号通道。如果DWDM<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>还具有一个扩展端口，则该端口通常用于C波段外的其他信道，如大部分的CWDM信道。</div><br /> <div align="left"><strong><font face="微软雅黑"><font style="font-size:12pt">1310端口</font></font></strong></div><div align="left">1310端口是添加在模块中的其它特定CWDM波长的宽频带光学端口。例如，一个8通道的波分复用器需要使用波段1470nm ~ 1610nm，则它需要1310端口。1310端口在某些传统网络中，有时作为返回路径使用。如果现有的传统网络使用1310端口且已经用尽了所有的光纤来提高其网络容量，那么1310端口，可以使用原有的光纤传输在CWDM的其他波长传输信号。与此同时，1310端口还可以连接百兆和千兆光模块等光学器件一起使用。</div><br /> <div align="left"><strong><font face="微软雅黑"><font style="font-size:12pt">1550端口</font></font></strong></div><div align="left">与1310端口类似，1550端口允许传统的1550nm的信号通过，可以连接百兆、千兆和万兆的光模块等光学器件一起使用。</div><br /> <div align="left"><strong><font face="微软雅黑"><font style="font-size:12pt">控制端口</font></font></strong></div><div align="left">该端口用于监视或<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>复用的CWDM的信号或者在信号解复之前的功率信号，使通过光纤网络的功率电平在5％以下或者更低。一般地，它可以与<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>或监控设备连接，如功率计或网络分析仪。一旦出现信号丢失或信号变化却未发生网络终断的情况，那么网络管理员将这些仪器辅助监测。</div><div align="center"> <ignore_js_op> <img style="cursor:pointer" 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</div> </ignore_js_op> </div><div align="left">正如上面提到的，在WDM复用器&解复用器中不同的端口有不同的应用。每个设备都有共同的接口，但可能不会有扩展或升级端口，1310nm端口，1550nm端口或控制端口。这些端口都属于特殊端口，可以根据您的要求与设备要求进行定制。如果您对关于<strong><u><font style="color:rgb(0, 0, 255)"><font face="微软雅黑"><font style="font-size:12pt">CWDM</font></font></font></u></strong><strong><font face="微软雅黑"><font style="font-size:12pt">/</font></font></strong><strong><u><font style="color:rgb(0, 0, 255)"><font face="微软雅黑"><font style="font-size:12pt">DWDM</font></font></font></u></strong><strong><font face="微软雅黑"><font style="font-size:12pt">复用器&解复用器</font></font></strong>，以及光分插复用器有什么需求，我们强烈推荐飞速光纤（Feisu.com），因为它可以支持各种波分复用系统的设备，为您提供最佳的光纤网络连接解决方案。</div><br /> </td></tr></table> <div class="ptg mbm mtn"> <a title="复用器" href="misc.php?mod=tag&id=3499" target="_blank">复用器</a></div> </div> <div id="comment_1191355" class="cm"> </div> <div id="post_rate_div_1191355"></div> </div> </div> </td></tr> <tr><td class="plc plm"> <div id="p_btn" class="mtw mbm hm cl"> <a 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