传输篇|你认识这些DVI接口吗？
<section class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;" data-id="85745" data-tools="135编辑器" data-custom="rgb(89, 195, 249)" data-color="rgb(89, 195, 249)"><section class="layout" style="margin-right: auto;margin-left: auto;width: 100%;" data-width="100%"><section style="border-width: 0px;border-style: initial;border-color: currentcolor;margin-top: 20px;box-sizing: border-box;"><section style="padding-top: 4px;padding-bottom: 6px;width: 85%;height: 8px;margin-left: 48px;display: inline-block;box-sizing: border-box;background-color: rgb(254, 254, 254);" data-width="85%"><section style="border-width: 1px;border-style: solid;border-color: rgb(89, 195, 249);box-sizing: border-box;"></section></section><section style="text-align: center;margin-top: -12px;box-sizing: border-box;"><section style="padding: 5px 10px;color: rgb(255, 255, 255);display: inline-block;box-sizing: border-box;background-color: rgb(89, 195, 249);"><p style="white-space: normal;"><span class="135brush" style="font-size: 16px;" data-brushtype="text">全了，关于DVI转接小知识</span></p></section></section><section style="padding: 9px;border-radius: 50%;border-width: 2px;border-style: solid;border-color: rgb(89, 195, 249);width: 50px;height: 50px;margin-top: -60px;margin-left: 15px;box-sizing: border-box;"><section style="padding: 7px;border-radius: 50%;border-width: 2px;border-style: solid;border-color: rgb(89, 195, 249);width: 30px;height: 30px;box-sizing: border-box;"><section style="border-radius: 50%;width: 10px;height: 10px;color: rgb(255, 255, 255);box-sizing: border-box;background-color: rgb(89, 195, 249);"></section></section></section><section style="padding: 6px;border-radius: 50%;border-width: 2px;border-style: solid;border-color: rgb(89, 195, 249);width: 35px;height: 35px;margin-top: -20px;box-sizing: border-box;background-color: rgb(254, 254, 254);"><section style="padding: 5px;border-radius: 50%;border-width: 2px;border-style: solid;border-color: rgb(89, 195, 249);width: 20px;height: 20px;box-sizing: border-box;"><section style="border-radius: 50%;width: 6px;height: 6px;color: rgb(255, 255, 255);box-sizing: border-box;background-color: rgb(89, 195, 249);"></section></section></section></section></section></section><p><br></p><section class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;" data-id="24" data-tools="135编辑器"><section class="layout" style="margin: 10px auto;"><section class="135brush" style="margin: 3px;padding: 15px;border-width: 2px;border-style: solid;border-color: rgb(240, 240, 240);color: rgb(62, 62, 62);line-height: 24px;box-sizing: border-box;box-shadow: rgb(170, 170, 170) 0px 0px 3px;"><p><span style="font-size: 14px;">为什么有些 DVI 可以转成 VGA ，有些不可以？ DVI信号有杂色是为什么，偏色又是为什么？传 4K 信号到底需要什么样的线缆？今天小编就带大家好好了解下DVI。</span></p></section></section></section><section class="_135editor" style="margin-right: auto;margin-left: auto;border-width: 0px;border-style: none;border-color: initial;width: 100%;box-sizing: border-box;" data-id="85959" data-tools="135编辑器" data-width="100%" data-custom="rgb(89, 195, 249)" data-color="rgb(89, 195, 249)"><section style="padding: 20px;border-width: 1.5px;border-style: solid;border-color: rgb(89, 195, 249);text-align: center;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><section style="border-color: rgb(89, 195, 249);margin-top: 0.2em;padding-right: 0.4em;padding-bottom: 5px;padding-left: 0.4em;color: rgb(89, 195, 249);line-height: 1;font-size: 3em;border-bottom-width: 3px;border-bottom-style: solid;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"></section><section style="color: inherit;display: inline-block;box-sizing: border-box;"><em title="" class="autonum" data-original-title="">1</em></section></section><section style="margin-top: 0.8em;padding-right: 0.5em;padding-left: 0.5em;color: rgb(89, 195, 249);box-sizing: border-box;"><span style="color: #000000;"><strong><span style="font-size: 16px;">DVI介绍</span></strong></span></section><p style="text-align: left;"><span style="font-size: 14px;">DVI的英文全名为Digital Visual Interface，中文称为「数码视频接口」。是一种视频接口标准，设计的目的是用来传输未经压缩的数字化影像</span><span style="font-size: 14px;">。<strong><span style="color: rgb(89, 195, 249);">DVI-D和DVI-I分为“双通道”和“单通道”两种类型</span></strong></span></p><p style="line-height: normal;"><br></p></section><p></p><p style="text-align: left;"><strong style="white-space: normal;"><span style="color: #59C3F9;font-size: 14px;">DVI-D接口只能传输数字信号，不能传输模拟信号。DVI-I接口则既能传输数据信号又能传输模拟信号。</span></strong></p><table width="395"><tbody><tr class="firstRow" style="height: 44px;"><td width="147" valign="center" style="border-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">规格</span></strong></p></td><td width="101" valign="center" style="border-left: 43px none rgb(255, 255, 255);border-top-color: windowtext;border-right-color: windowtext;border-bottom-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">信号</span></strong></p></td><td width="147" valign="center" style="border-left: 43px none rgb(255, 255, 255);border-top-color: windowtext;border-right-color: windowtext;border-bottom-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">备注</span></strong></p></td></tr><tr style="height: 44px;"><td width="147" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;border-left-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 14px;">DVI-I 18+5(</span></strong><strong><span style="font-size: 14px;">单通道</span></strong><strong><span style="font-size: 14px;">)</span></strong></p></td><td width="101" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-left: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">数字/模拟</span></strong></p></td><td width="147" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-left: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">可转换VGA</span></strong></p></td></tr><tr style="height: 44px;"><td width="147" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;border-left-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 14px;">DVI-I 24+5(</span></strong><strong><span style="font-size: 14px;">双通道</span></strong><strong><span style="font-size: 14px;">)</span></strong></p></td><td width="101" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-left: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">数字/模拟</span></strong></p></td><td width="147" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-left: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">可转换</span></strong><strong><span style="font-size: 15px;">VGA</span></strong></p></td></tr><tr style="height: 44px;"><td width="147" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;border-left-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 14px;">DVI-D 18+1(</span></strong><strong><span style="font-size: 14px;">单通道</span></strong><strong><span style="font-size: 14px;">)</span></strong></p></td><td width="101" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-left: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">数字</span></strong></p></td><td width="147" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-left: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">不可转换</span></strong></p></td></tr><tr style="height: 44px;"><td width="147" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;border-left-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 14px;">DVI-D 24+1(</span></strong><strong><span style="font-size: 14px;">双通道</span></strong><strong><span style="font-size: 14px;">)</span></strong></p></td><td width="101" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-left: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">数字</span></strong></p></td><td width="147" valign="center" style="border-top: 43px none rgb(255, 255, 255);border-left: 43px none rgb(255, 255, 255);border-right-color: windowtext;border-bottom-color: windowtext;padding: 0px 7px;"><p><strong><span style="font-size: 15px;">不可转换</span></strong></p></td></tr></tbody></table></section></section><section class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;" data-role="paragraph" data-custom="rgb(128, 177, 53)" data-color="rgb(128, 177, 53)"><p><br></p><section class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;transform: rotateZ(0deg);" data-id="85959" data-tools="135编辑器" data-custom="rgb(89, 195, 249)" data-color="rgb(89, 195, 249)"><section style="padding: 20px;border-width: 1.5px;border-style: solid;border-color: rgb(89, 195, 249);text-align: center;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><section style="border-color: rgb(89, 195, 249);margin-top: 0.2em;padding-right: 0.4em;padding-bottom: 5px;padding-left: 0.4em;color: rgb(89, 195, 249);line-height: 1;font-size: 3em;border-bottom-width: 3px;border-bottom-style: solid;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><em title="" class="autonum" data-original-title="">2</em></section></section></section><section style="color: inherit;display: inline-block;box-sizing: border-box;"><strong><span style="font-size: 16px;">如何辨别DVI接口</span></strong></section><span style="color: inherit;white-space: pre-wrap;"> </span><section data-role="paragraph" class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><p><br></p></section><section class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;text-align: left;" data-id="85640" data-tools="135编辑器" data-custom="rgb(89, 195, 249)" data-color="rgb(89, 195, 249)"><p><span style="color: inherit;font-size: 14px;caret-color: red;">DVI-I接口支持模拟信号，而DVI-D仅支持数字信号</span></p><p><span style="font-size: 14px;color: inherit;caret-color: red;"><span style="color: inherit;text-align: center;white-space: pre-wrap;caret-color: red;">DVI-I比DVI-D在接口上多了4个传输模拟信号的针脚</span></span></p></section><p><br></p><p style="text-align: left;"><span style="color: inherit;font-size: 14px;">单通道最大支持 1080p ，双通道支持 4K</span></p><p style="text-align: left;"><span style="color: inherit;font-size: 14px;">双通道线缆一般会注明 dual Link 字样，多 6 个针脚。</span><br></p><p><br></p></section><p style="text-align: left;"><strong style="white-space: normal;"><span style="color: #59C3F9;font-size: 14px;">*双通道线缆一定比单通道多 6 个针脚，但是多 6 个针脚的不一定都是双通道。线缆都会注明支持的最高分辨率，购买前请询问商家是否支</span></strong><strong style="white-space: normal;"><span style="color: #59C3F9;font-size: 14px;">持 4K ？</span></strong></p></section></section><section data-role="paragraph" class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><p><br></p></section><section class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;" data-id="85959" data-tools="135编辑器" data-custom="rgb(89, 195, 249)" data-color="rgb(89, 195, 249)"><section style="padding: 20px;border-width: 1.5px;border-style: solid;border-color: rgb(89, 195, 249);box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><section style="border-color: rgb(89, 195, 249);margin-top: 0.2em;padding-right: 0.4em;padding-bottom: 5px;padding-left: 0.4em;color: rgb(89, 195, 249);line-height: 1;font-size: 3em;border-bottom-width: 3px;border-bottom-style: solid;box-sizing: border-box;"><em>3</em></section><section style="color: inherit;display: inline-block;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"></section></section><section style="color: inherit;display: inline-block;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><strong><span style="font-size: 16px;">关于6400解码器DVI接口</span></strong></section></section><section style="color: inherit;display: inline-block;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"></section></section><p style="margin-top: 0.8em;padding-right: 0.5em;padding-left: 0.5em;color: rgb(89, 195, 249);"><br></p><p style="line-height: normal;"></p></section><br><p><br></p><section style="color: inherit;text-align: center;white-space: normal;display: inline-block;"><span style="text-align: left;color: inherit;font-size: 14px;">解码器DVI接口是24+5针的，用24+1针和24+5的线都是可以的。<br></span></section><section style="color: inherit;text-align: center;white-space: normal;display: inline-block;"><span style="text-align: left;color: inherit;font-size: 14px;">24+5可以接模拟和数字信号（推荐）24+1只可以接数字信号 </span></section><section style="color: inherit;text-align: center;white-space: normal;display: inline-block;"><strong><span style="text-align: left;font-size: 14px;">PS：建议线缆采用海康</span></strong><span style="color: #548DD4;"><strong><span style="text-align: left;font-size: 14px;"></span></strong><strong><span style="text-align: left;font-size: 14px;"></span></strong></span></section><p><br></p></section></section><section data-role="paragraph" class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"><p><br></p></section><section class="_135editor" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;" data-id="85959" data-tools="135编辑器" data-custom="rgb(89, 195, 249)" data-color="rgb(89, 195, 249)"><section style="padding: 20px;border-width: 1.5px;border-style: solid;border-color: rgb(89, 195, 249);text-align: center;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><section style="border-color: rgb(89, 195, 249);margin-top: 0.2em;padding-right: 0.4em;padding-bottom: 5px;padding-left: 0.4em;color: rgb(89, 195, 249);line-height: 1;font-size: 3em;border-bottom-width: 3px;border-bottom-style: solid;box-sizing: border-box;"><em>4</em></section><section style="margin-top: 0.8em;padding-right: 0.5em;padding-left: 0.5em;color: rgb(89, 195, 249);box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><p style="color: inherit;display: inline-block;box-sizing: border-box;"><span style="color: #000000;"><strong><span style="font-size: 16px;">接口常见故障</span></strong></span></p></section></section></section><section style="margin-top: 0.8em;padding-right: 0.5em;padding-left: 0.5em;color: rgb(89, 195, 249);box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><section style="color: inherit;display: inline-block;box-sizing: border-box;"><p style="color: inherit;display: inline-block;box-sizing: border-box;"><br></p></section></section></section><p style="text-align: left;"><span style="font-size: 14px;">Q：画面为什么有红色绿色的点。 </span></p><p style="text-align: left;"><span style="color: inherit;font-size: 14px;">A：由于传输损耗，信号衰减造成的失真。建议更换短线、质量更好的线缆或增加信号放大器。</span></p><p style="text-align: left;"><br></p><p style="text-align: left;"><span style="font-size: 14px;">Q ：输出黑屏。</span></p><p style="text-align: left;"><span style="font-size: 14px;">A ：先用短线测试是否线路衰减造成弱信号，导致屏幕无法识别</span></p><p style="text-align: left;"><br></p><p style="text-align: left;"><span style="font-size: 14px;">Q : DVI 一 I 加转接头无法转成 VGA 。</span></p><p style="text-align: left;"><span style="font-size: 14px;">A ：先确认设备是否支持，转接头请尽量使用公司提供的转接头，有些外购转接头存在针脚短接的情况。</span></p><p style="text-align: left;"><br></p><p style="text-align: left;"><span style="font-size: 14px;">Q ：画面闪烁。 </span></p><p style="text-align: left;"><span style="font-size: 14px;">A：一般也是由于线缆衰减造成的，解决方法见第一条。</span></p><p style="text-align: left;"><br></p><p style="text-align: left;"><span style="font-size: 14px;">Q ：项目中如何挑选DVI 线缆。</span></p><p style="text-align: left;"><span style="font-size: 14px;">A ：能用海康线缆就不用第三方的，能用短的就不用长的，超过 10 米选择带有源信号放大的线缆</span></p></section></section></section></section><section style="background-color: rgb(255, 255, 255);box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: 60px 0% 10px;box-sizing: border-box;"> <section class="" style="margin-top: -1.5em;margin-bottom: -1.5em;padding-left: 10px;padding-right: 10px;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" 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middle;display: inline-block;overflow: hidden !important;box-sizing: border-box;"></section></section></section></section><section class="" style="display: inline-block;vertical-align: top;width: 60%;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: -5px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;"> <section class="" style="padding: 0.5em;box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;overflow: hidden !important;box-sizing: border-box;"></section></section></section></section> </section></section></section><section class="" style="clear: both;box-sizing: 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