阻抗 – 深圳福欣智能 //www.lqsdjs.com 福禄克测试仪|FLUKE万用?#124;代理DTX-1800|DSX-5000|OPVXG Sat, 10 Oct 2015 02:27:50 +0000 zh-CN hourly 1 //wordpress.org/?v=6.5.2 CableIQ/CIQ-100/CIQ-KIT如何定位双绞线布线中的串扰和阻抗故障?/title> <link>//www.lqsdjs.com/html/cableiq-crosstalk-fault-impedance-ault.html</link> <comments>//www.lqsdjs.com/html/cableiq-crosstalk-fault-impedance-ault.html#respond</comments> <dc:creator><![CDATA[福欣智能]]></dc:creator> <pubDate>Sat, 10 Oct 2015 02:27:50 +0000</pubDate> <category><![CDATA[技术专栏]]></category> <category><![CDATA[CableIQ]]></category> <category><![CDATA[CIQ-100]]></category> <category><![CDATA[CIQ-KIT]]></category> <category><![CDATA[串扰]]></category> <category><![CDATA[双绞线]]></category> <category><![CDATA[阻抗]]></category> <guid isPermaLink="false">//www.fluck.cn/?p=3460</guid> <description><![CDATA[CableIQ/CIQ-100/CIQ-KIT如何定位双绞线布线中的串扰和阻抗故障?CableIQ电缆鉴定测试仪里的两个很有用的功能Find Crosstalk Fault（查找串扰故障）?Find Impedance Fault（查找阻抗故障）让您能够迅速检... ]]></description> <content:encoded><![CDATA[<p><span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/cableiq" title="View all posts in CableIQ" target="_blank">CableIQ</a></span>/<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/ciq-100" title="View all posts in CIQ-100" target="_blank">CIQ-100</a></span>/<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/ciq-kit" title="View all posts in CIQ-KIT" target="_blank">CIQ-KIT</a></span>如何定位<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e5%8f%8c%e7%bb%9e%e7%ba%bf" title="View all posts in 双绞? target="_blank">双绞?/a></span>布线中的<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e4%b8%b2%e6%89%b0" title="View all posts in 串扰" target="_blank">串扰</a></span>?span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e9%98%bb%e6%8a%97" title="View all posts in 阻抗" target="_blank">阻抗</a></span>故障?/p> <p><span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/cableiq" title="View all posts in CableIQ" target="_blank">CableIQ</a></span>电缆鉴定测试仪里的两个很有用的功能Find Crosstalk Fault（查?span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e4%b8%b2%e6%89%b0" title="View all posts in 串扰" target="_blank">串扰</a></span>故障）和 Find Impedance Fault（查?span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e9%98%bb%e6%8a%97" title="View all posts in 阻抗" target="_blank">阻抗</a></span>故障）让您能够迅速检?span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e5%8f%8c%e7%bb%9e%e7%ba%bf" title="View all posts in 双绞? target="_blank">双绞?/a></span>布线中的<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e4%b8%b2%e6%89%b0" title="View all posts in 串扰" target="_blank">串扰</a></span>?span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e9%98%bb%e6%8a%97" title="View all posts in 阻抗" target="_blank">阻抗</a></span>故障?<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e4%b8%b2%e6%89%b0" title="View all posts in 串扰" target="_blank">串扰</a></span>是电缆线对之间不必要的信号传输?<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e4%b8%b2%e6%89%b0" title="View all posts in 串扰" target="_blank">串扰</a></span>可能导致<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e5%8f%8c%e7%bb%9e%e7%ba%bf" title="View all posts in 双绞? target="_blank">双绞?/a></span>网络发生传输错误?<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e9%98%bb%e6%8a%97" title="View all posts in 阻抗" target="_blank">阻抗</a></span>是指对交流信号，如数据和 CATV 传输，的电气阻力?<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e9%98%bb%e6%8a%97" title="View all posts in 阻抗" target="_blank">阻抗</a></span>变化可导致信号反射，从而中断网络运行及造成 CATV 接收效果不佳?/p> <p>要查找串扰或阻抗故障，请操作以下步骤?（我们建议诊断所用跳线的长度不短?米）</p> <p>1、把<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/cableiq" title="View all posts in CableIQ" target="_blank">CableIQ</a></span>/<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/ciq-100" title="View all posts in CIQ-100" target="_blank">CIQ-100</a></span>测试仪连接到<span class='wp_keywordlink_affiliate'><a href="//www.lqsdjs.com/html/tag/%e5%8f%8c%e7%bb%9e%e7%ba%bf" title="View all posts in 双绞? target="_blank">双绞?/a></span>布线中?不需要线序适配器或 ID 定位器?br /> 2、将旋转开关转?DIAG（诊断）?br /> 3、用 向下?选中 Find Crosstalk Fault（查找串扰故障）?Find Impedance Fault（查找阻抗故障），然后按 ENTER键 或F1键?br /> 4、要更改传输标准，按 ENTER键 或F1键，?上下?选择一个标准，然后?ENTER键进入?br /> 5、要选择测试的电缆线对或多个线对，用 向下键 选中线对，按 ENTER键 或F1键，用上下键 选择一个线对或多个<br /> 线对，然后按 ENTER键进入?br /> 6、按 TEST?开始测试?/p> <p>串扰和阻抗故障信?/p> <p><a href="//www.lqsdjs.com/wp-content/uploads/2015/10/cableiq.png" class="highslide-image" onclick="return hs.expand(this);"><img fetchpriority="high" decoding="async" class="size-full wp-image-3461 alignnone" src="//www.lqsdjs.com/wp-content/uploads/2015/10/cableiq.png" alt="cableiq" width="746" height="271" /></a></p> <p>布线对诊断太短：测试仪未连接布线，或者布线太短而无法测试?br /> 布线对诊断太长：布线的长度超出测试仪的量程?br /> 无明显串?br /> 无明显阻抗故?：串扰或阻抗符合所选应用的要求?br /> 串扰故障<br /> 阻抗故障 ：检测到局部串扰或阻抗问题?局部故障通常由连接不良引起?检查所确定位置的布线?br /> 分布式串扰故?br /> 分布式阻抗故?：大多数或所有布线中都检测到串扰或阻抗问题?布线质量不佳或者类型不符合所选应<br /> 用?br /> 1000BASE-T 检测到轻微等电平远端串扰（ELFEXT?：等电平远端串扰测量值较小?br /> 短路或线路抽头：在给定位置的阻抗很低?检查是否存在短路或线路抽头?/p> ]]></content:encoded> <wfw:commentRss>//www.lqsdjs.com/html/cableiq-crosstalk-fault-impedance-ault.html/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> </channel> </rss>