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	<title>专注福禄克测试仪销售与技术 &#187; NETSCOUT</title>
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		<title>福禄克FLUKE DSX2-8000/DSX2-5000步频与分辨率</title>
		<link>http://www.faxytech.com/archives/dsx2-frequency-steps.html</link>
		<comments>http://www.faxytech.com/archives/dsx2-frequency-steps.html#comments</comments>
		<pubDate>Wed, 04 Sep 2019 10:50:23 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[DSX2-5000]]></category>
		<category><![CDATA[DSX2-8000]]></category>
		<category><![CDATA[Fluke]]></category>
		<category><![CDATA[NETSCOUT]]></category>
		<category><![CDATA[福禄克]]></category>

		<guid isPermaLink="false">http://www.faxytech.com/?p=11042</guid>
		<description><![CDATA[Measurements such as Insertion Loss, NEXT and Return Loss are referred to as &#8220;swept frequency&#8221; measurements, meaning that certain points between the minimum and maximum frequency of the selected test standard are measured. It goes with out sa... ]]></description>
			<content:encoded><![CDATA[<div id="article-body">
<p>Measurements such as Insertion Loss, <span class='wp_keywordlink'><a href=" http://www.faxytech.com/archives/next.html " title="NEXT">NEXT</a></span> and Return Loss are referred to as &#8220;swept frequency&#8221; measurements, meaning that certain points between the minimum and maximum frequency of the selected test standard are measured. It goes with out saying that if you only measure 100 points between 1 MHz and 1,000 MHz &#8211; it will make for a very quick test, but fail to provide the desired resolution.</p>
<p><span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/insertion-loss.html" title="插入损耗">插入损耗</a></span>、NEXT和<span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/return_loss.html" title="回波损耗">回波损耗</a></span>的测量被称为“扫频”测量，这意味着测量所选测试标准的最小和最大频率之间的某些点。不用说，如果你在1Mhz到1000Mhz之间只测量100个点-他就会测试速度非常快，但是不能提供所需的分辨率。</p>
<p>So the field testing standards ANSI/TIA-1152 and IEC 61935-1 define the minimum frequency steps (resolution) for the test equipment vendors.</p>
<p><strong>ANSI/TIA-1152</strong></p>
<p><a href="http://www.faxytech.com/wp-content/uploads/2019/09/ANSITIA-1152.png" class="highslide-image" onclick="return hs.expand(this);"><img class="alignnone size-full wp-image-11044" title="ANSITIA-1152" src="http://www.faxytech.com/wp-content/uploads/2019/09/ANSITIA-1152.png" alt="" width="442" height="145" /></a></p>
<p><strong>IEC 61935-1 Ed.4 </strong></p>
<p><a href="http://www.faxytech.com/wp-content/uploads/2019/09/IEC-61935-1-Ed.4.png" class="highslide-image" onclick="return hs.expand(this);"><img class="alignnone size-full wp-image-11045" title="IEC 61935-1 Ed.4" src="http://www.faxytech.com/wp-content/uploads/2019/09/IEC-61935-1-Ed.4.png" alt="" width="442" height="146" /></a></p>
<p>The <span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/dsx2-8000.html" title="福禄克FLUKE DSX2-8000">DSX2-8000</a></span>、<span class='wp_keywordlink'><a href="http://www.faxy-tech.com/Products/DSX2-5000.html" title="福禄克FLUKE DSX2-5000">DSX2-5000</a></span> provides better resolution than the minimum required for IEC 61935-1 Ed.4. It is worth investigating what resolution your vendor is using.</p>
</div>
<p>&nbsp;</p>
]]></content:encoded>
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		</item>
		<item>
		<title>NETSCOUT网络分析仪产品功能简介</title>
		<link>http://www.faxytech.com/archives/10642.html</link>
		<comments>http://www.faxytech.com/archives/10642.html#comments</comments>
		<pubDate>Tue, 02 Apr 2019 01:54:42 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[NETSCOUT]]></category>
		<category><![CDATA[网络分析仪]]></category>

		<guid isPermaLink="false">http://www.faxytech.com/?p=10642</guid>
		<description><![CDATA[NETSCOUT网络分析仪产品功能简介 1. 具备双电双光接口 2. 支持网络分析端口包括：2个 RJ-45 10/100/1000BASE-T 以太网、小型可插拔 (SFP) 100/1000BASE-X 以太网、增强型小型可插拔 (SFP+) 10GBASE-X 以太... ]]></description>
			<content:encoded><![CDATA[<p><span class='wp_keywordlink'><a href="http://www.faxytech.com/netscout/" title="NETSCOUT">NETSCOUT</a></span><span class='wp_keywordlink'><a href="http://www.faxytech.com/products/testers/network" title="网络分析仪">网络分析仪</a></span>产品功能简介</p>
<div>1.	具备双电双光接口<br />
2.	支持网络分析端口包括：2个 RJ-45 10/100/1000BASE-T 以太网、小型可插拔 (SFP) 100/1000BASE-X 以太网、增强型小型可插拔 (SFP+) 10GBASE-X 以太网<br />
管理端口&#8212;&#8211; RJ-45 10/100/1000BASE-T 以太网 。支持的 SFP 模块包括：  850 nm  1310 nm 和 1550 nm<br />
2. 支持无线接口测试，无线路由器数据传输率支持类型包括：<br />
11a：6/9/12/24/36/48/54 Mbps<br />
11b：1/2/5.5/11 Mbps<br />
11g：6/9/12/24/36/48/54 Mbps<br />
11n (20 MHz)：MCS0-23，达 216 Mbps<br />
11n (40 MHz)：MCS0-23，达 450 Mbps<br />
工作频率&#8212;&#8211; 2.4000 ~ 2.472 GHz（工业、科学、医学频带）5.180 ~ 5.825 GHz<br />
安全性&#8212;&#8212; 64/128 位 WEP 密钥、WPA、WPA2、802.1x<br />
传送输出功率&#8212;&#8211;<br />
（容差：± 1.5 dBm）<br />
802.11b：18 dBm<br />
802.11b：18 dBm<br />
802.11g：17 dBm<br />
802.11a：11 dBm<br />
802.11n：2.4 GHz：17 dBm<br />
802.11n：5 GHz：13 dBm<br />
接收灵敏度&#8212;&#8212;-<br />
（容差：± 2 dBm） 802.11a：10% PER -78 dBm<br />
802.11b：8% PER -90 dBm<br />
802.11g：10% PER -80 dBm<br />
802.11n：2.4 GHz 10% PER<br />
-72 dBm@HT20<br />
-70 dBm@HT40<br />
802.11n：5 GHz 10% PER<br />
-70 dBm@HT20<br />
-63 dBm@HT40<br />
功耗（典型） 传送（传统模式、HT 20 模式）：870 mA @5 GHz, 700 mA @2.4 GHz 。<br />
传送（HT40 模式）：900 mA @5 GHz, 750 mA @2.4 GHz 。<br />
接收（传统模式、HT20 模式）：550 mA @5 GHz, 520 mA @2.4 GHz 。<br />
接收（HT40 模式）：610 mA @5 GHz, 600 mA @2.4 GHz 。<br />
3.	自动生成网络结构拓扑<br />
★4. 电气规格<br />
AC 适配器输入 100 V – 240 V， 50/60 Hz， 1.5 A<br />
AC 适配器输出 19 VDC，4.74 A，90 W<br />
电池两个可更换、可充电 的 45 瓦特时锂离子电池组。<br />
电池工作时间 3 小时（典型）<br />
电池充电时间* 3 小时（典型）充电时间取决于电池的剩余电量<br />
★5可以配置来执行对广播域之外的子网中多达 30,000 个设备的发现，以将其发现延伸到广播域或本地 VLAN 界限外，涉及整个企业网络，到达远程站点和用户。并可生成所连网络以及远程站点网络中设备的最新 HTML 和 PDF 格式清单报告<br />
★6详细、实时（每 30 秒进行更新）显示设备使用情况和误差，可以持续收集 24 小时详细数据<br />
7 可通过无线连接进行快速发现。在断开分析仪网络线缆后仍可对主要设备进行分析，而且不会丢失任何数据<br />
8	可提供健康状况检查快速概览<br />
9	内置虚拟机健康状况分析，可分析虚拟机及其主机 VMware ESX 服务器，可以跟踪分析添加到 ESX 主机服务器的虚拟机<br />
10	设备包含无线三款软件：airmagnet wifi-analyzer,  Spectrum XT, Survey pro and planner</div>
<p>&nbsp;</p>
]]></content:encoded>
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		</item>
		<item>
		<title>NETSCOUT Linkrunner G2（LRG2）网络测试仪视频操作培训</title>
		<link>http://www.faxytech.com/archives/linkrunner-g2-video.html</link>
		<comments>http://www.faxytech.com/archives/linkrunner-g2-video.html#comments</comments>
		<pubDate>Thu, 14 Mar 2019 07:15:15 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[Linkrunner G2]]></category>
		<category><![CDATA[LRG2]]></category>
		<category><![CDATA[NETSCOUT]]></category>
		<category><![CDATA[视频培训]]></category>

		<guid isPermaLink="false">http://www.faxytech.com/?p=10595</guid>
		<description><![CDATA[NETSCOUT Linkrunner G2（LRG2）网络测试仪视频操作培训 Linkrunner G2产品详细介绍：http://www.faxy-tech.com/Products/LR-G2.htm... ]]></description>
			<content:encoded><![CDATA[<p><br/></p>
<p _mce_style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;" style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;"><span class='wp_keywordlink'><a href="http://www.faxytech.com/netscout/" title="NETSCOUT">NETSCOUT</a></span> <span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/linkrunner-g2.html" title="NETSCOUT Linkrunner G2">Linkrunner G2</a></span>（<span class='wp_keywordlink_affiliate'><a href="http://www.faxytech.com/tag/lrg2" title="查看 LRG2 的全部文章" target="_blank">LRG2</a></span>）<span class='wp_keywordlink'><a href="http://www.faxytech.com/products/testers/network" title="网络测试仪">网络测试仪</a></span>视频操作培训<br/></p>
<p _mce_style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;" style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;"><br/></p>
<p _mce_style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;" style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;"><embed type="application/x-shockwave-flash" class="edui-faked-video" pluginspage="http://www.macromedia.com/go/getflashplayer" src="http://player.youku.com/player.php/sid/XNDA4ODQ3NTYwMA==/v.swf" width="420" height="280" wmode="transparent" play="true" loop="false" menu="false" allowscriptaccess="never" allowfullscreen="true"/></p>
<p _mce_style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;" style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;"><br/></p>
<p _mce_style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;" style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;"><a href="http://www.faxy-tech.com/Products/LR-G2.html" _mce_href="http://www.faxy-tech.com/Products/LR-G2.html" target="_self" title="">Linkrunner G2</a>产品详细介绍：<a href="http://www.faxy-tech.com/Products/LR-G2.html" _mce_href="http://www.faxy-tech.com/Products/LR-G2.html" target="_blank" title="NETSCOUT linkrunner G2">http://www.faxy-tech.com/Products/LR-G2.html</a></p>
<p><br/></p>
]]></content:encoded>
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		</item>
		<item>
		<title>NETSCOUT LRAT-2000、LRAT-1000产品视频操作linkrunner AT</title>
		<link>http://www.faxytech.com/archives/lrat-video.html</link>
		<comments>http://www.faxytech.com/archives/lrat-video.html#comments</comments>
		<pubDate>Wed, 13 Mar 2019 07:16:35 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[LinkRunner AT]]></category>
		<category><![CDATA[LRAT-1000]]></category>
		<category><![CDATA[LRAT-2000]]></category>
		<category><![CDATA[NETSCOUT]]></category>
		<category><![CDATA[视频]]></category>

		<guid isPermaLink="false">http://www.faxytech.com/?p=10599</guid>
		<description><![CDATA[NETSCOUT LRAT-2000、LRAT-1000产品视频操作: NETSCOUT&#160;Linkrunner AT:http://www.faxy-tech.com/Products/NT-LRAT.htm... ]]></description>
			<content:encoded><![CDATA[<p><br/></p>
<p style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;"><span class='wp_keywordlink'><a href="http://www.faxytech.com/netscout/" title="NETSCOUT">NETSCOUT</a></span> <span class='wp_keywordlink'><a href="	http://www.faxytech.com/archives/linkrunner-at.html" title="福禄克FLuke LRAT-2000">LRAT-2000</a></span>、<span class='wp_keywordlink'><a href=" http://www.faxytech.com/archives/linkrunner-at.html " title="福禄克Fluke LRAT-1000">LRAT-1000</a></span>产品<span class='wp_keywordlink_affiliate'><a href="http://www.faxytech.com/tag/%e8%a7%86%e9%a2%91" title="查看 视频 的全部文章" target="_blank">视频</a></span>操作:</p>
<p style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;"><embed type="application/x-shockwave-flash" class="edui-faked-video" pluginspage="http://www.macromedia.com/go/getflashplayer" src="http://player.youku.com/player.php/sid/XNDA4MTI2NzE3Mg==/v.swf" width="420" height="280" wmode="transparent" play="true" loop="false" menu="false" allowscriptaccess="never" allowfullscreen="true"/></p>
<p style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;"><br/></p>
<p style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;"><br/></p>
<p style="font-family: Georgia, &quot;Times New Roman&quot;, &quot;Bitstream Charter&quot;, Times, serif; font-size: 13px; white-space: normal;"><span class='wp_keywordlink_affiliate'><a href="http://www.faxytech.com/tag/netscout" title="查看 NETSCOUT 的全部文章" target="_blank">NETSCOUT</a></span>&nbsp;<a href="http://www.faxy-tech.com/Products/NT-LRAT.html" _mce_href="http://www.faxy-tech.com/Products/NT-LRAT.html" target="_blank" title="NETSCOUT linkrunner AT">Linkrunner AT</a>:<a href="http://www.faxy-tech.com/Products/NT-LRAT.html" _mce_href="http://www.faxy-tech.com/Products/NT-LRAT.html" target="_blank" title="LRAT-2000">http://www.faxy-tech.com/Products/NT-LRAT.html</a></p>
<p><br/></p>
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		</item>
		<item>
		<title>NETSCOUT 1TG2-1500/1TG2-3000培训视频</title>
		<link>http://www.faxytech.com/archives/1tg2-videos.html</link>
		<comments>http://www.faxytech.com/archives/1tg2-videos.html#comments</comments>
		<pubDate>Fri, 22 Feb 2019 02:36:25 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[新闻资讯]]></category>
		<category><![CDATA[1TG2-1500]]></category>
		<category><![CDATA[1TG2-3000]]></category>
		<category><![CDATA[NETSCOUT]]></category>

		<guid isPermaLink="false">http://www.faxytech.com/?p=10550</guid>
		<description><![CDATA[即使您不在现场，NETSCOUT 1TG2-1500/1TG2-3000也能对从客户端到云托管应用程序的铜缆、光纤和 Wi-Fi 网络问题以及它们之间的所有问题进行故障排除。解决持续性问题和实时验证现场网络性能。通过... ]]></description>
			<content:encoded><![CDATA[<p>即使您不在现场，<span class='wp_keywordlink'><a href="http://www.faxytech.com/netscout/" title="NETSCOUT">NETSCOUT</a></span> <span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/1tg2.html" title="福禄克1TG2-1500">1TG2-1500</a></span>/<span class='wp_keywordlink_affiliate'><a href="http://www.faxytech.com/tag/1tg2-3000" title="查看 1TG2-3000 的全部文章" target="_blank">1TG2-3000</a></span>也能对从客户端到云托管应用程序的<span class='wp_keywordlink'><a href="http://www.faxytech.com/products/testers/cable" title="铜缆测试仪">铜缆</a></span>、光纤和 Wi-Fi 网络问题以及它们之间的所有问题进行故障排除。解决持续性问题和实时验证现场网络性能。通过自动上传结果至云来解决间歇性问题和识别漏洞，从而分析基于网络的性能趋势和问题根源。 网络专业人员花费 25% 的时间进行故障诊断，占用了部署新技术和优化网络性能等关键任务的时间。由于大多数问题需要一个小时或更长的时间来解决，而且 40% 需要升级，终端用户的工作效率因此受到影响。根据 <span class='wp_keywordlink'><a href="http://www.faxytech.com" title="Fluke Networks">Fluke Networks</a></span> 最近的一项调查，72% 的 IT 企业在没有标准化的故障排除过程下运行。更糟糕的是，间歇性问题需要花费两倍多的时间来解决，而且工作人员一周平均花费五个小时对问题站点进行来回跟踪。</p>
<p><br/></p>
<p>深圳连讯达对<span class='wp_keywordlink_affiliate'><a href="http://www.faxytech.com/tag/netscout" title="查看 NETSCOUT 的全部文章" target="_blank">NETSCOUT</a></span> <span class='wp_keywordlink_affiliate'><a href="http://www.faxytech.com/tag/1tg2-1500" title="查看 1TG2-1500 的全部文章" target="_blank">1TG2-1500</a></span>/1TG2-3000进行了简单视频介绍。有其他报价或者技术问题联系：400-966-0787</p>
<p><br/></p>
<p><embed src="http://player.youku.com/player.php/sid/XNDA2OTQzNDcwOA==/v.swf" allowfullscreen="true" quality="high" width="480" height="400" align="middle" allowscriptaccess="always" type="application/x-shockwave-flash"/></p>
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		</item>
		<item>
		<title>Netscout AirCheck G2 固件 v3.0 版本有什么新功能？</title>
		<link>http://www.faxytech.com/archives/aircheck-g2-v3-0.html</link>
		<comments>http://www.faxytech.com/archives/aircheck-g2-v3-0.html#comments</comments>
		<pubDate>Fri, 02 Nov 2018 05:31:54 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[Aircheck G2]]></category>
		<category><![CDATA[NETSCOUT]]></category>
		<category><![CDATA[v3.0]]></category>

		<guid isPermaLink="false">http://www.faxytech.com/?p=10348</guid>
		<description><![CDATA[AirCheck G2? 3.0 软件为 AirCheck? G2 平台带来了所有全新特性和显著增强， 包括： 提高定位器工具精度 增强的接入点名称支持 增强的强制门户支持 提高 iPerf 测试性能 改进数据包捕获工作流程 执... ]]></description>
			<content:encoded><![CDATA[<p><span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/aircheck-wifi-tester.html" title="福禄克FLUKE无线测试仪AirCheck">AirCheck</a></span> G2? 3.0 软件为 AirCheck? G2 平台带来了所有全新特性和显著增强，</p>
<p><strong>包括：</strong></p>
<ul>
<li>提高定位器工具精度</li>
<li>增强的接入点名称支持</li>
<li>增强的强制门户支持</li>
<li>提高 iPerf 测试性能</li>
<li>改进数据包捕获工作流程</li>
<li>执行以太网测试时可以看到语音 VLAN 编号</li>
<li>能够使用 USB 拇指驱动器导入安全证书</li>
<li>运行以太网测试时能够使用静态 IP</li>
<li>改进了键盘反馈</li>
<li>增强协作和报告功能，可以将更多信息上传到 Link-Live：
<ul>
<li>完整的 AutoTest 结果</li>
<li>会话文件</li>
<li>数据包捕获</li>
<li>配置文件</li>
<li>截屏</li>
<li>位置和评论信息</li>
</ul>
</li>
<li>通过自动向现场设备分发配置文件改进车队管理</li>
</ul>
<p>&nbsp;</p>
]]></content:encoded>
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		</item>
		<item>
		<title>Aircheck G2测试信道利用率和干扰</title>
		<link>http://www.faxytech.com/archives/aircheck-g2-interferer.html</link>
		<comments>http://www.faxytech.com/archives/aircheck-g2-interferer.html#comments</comments>
		<pubDate>Thu, 01 Nov 2018 05:32:10 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[Aircheck G2]]></category>
		<category><![CDATA[channel]]></category>
		<category><![CDATA[NETSCOUT]]></category>

		<guid isPermaLink="false">http://www.faxytech.com/?p=10350</guid>
		<description><![CDATA[NetScout Aircheck G2快速确定信道是否被 802.11 Wi-Fi 流量和/或非 Wi-Fi 干扰和噪声过度使用。自动检测会导致干扰的设备，包括微波炉、无线游戏控制器、BlueTooth? 设备、Zigbee 设备和无线视频摄像机... ]]></description>
			<content:encoded><![CDATA[<p><span class='wp_keywordlink'><a href="http://www.faxytech.com/netscout/" title="NetScout">NetScout</a></span> <span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/aircheck-wifi-tester.html" title="福禄克Fluke Aircheck">Aircheck</a></span> G2快速确定信道是否被 802.11 Wi-Fi 流量和/或非 Wi-Fi 干扰和噪声过度使用。自动检测会导致干扰的设备，包括微波炉、无线游戏控制器、BlueTooth? 设备、Zigbee 设备和无线视频摄像机。您也可深入查看选定信道上过去 60 秒内的 Wi-Fi 流量和干扰级别，以及使用此信道的接入点、客户端和干扰源。</p>
<p><img title="channel-utilization1" src="http://www.faxytech.com/wp-content/uploads/2018/11/channel-utilization1-180x300.png" alt="" width="180" height="300" /><a href="http://www.faxytech.com/wp-content/uploads/2018/11/Interferer-Events-NEW.png" class="highslide-image" onclick="return hs.expand(this);"> </a><a href="http://www.faxytech.com/wp-content/uploads/2018/11/Interferer-Events-NEW.png" class="highslide-image" onclick="return hs.expand(this);"><img class="alignnone size-medium wp-image-10352" title="Interferer Events NEW" src="http://www.faxytech.com/wp-content/uploads/2018/11/Interferer-Events-NEW-180x300.png" alt="" width="180" height="300" /></a></p>
]]></content:encoded>
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		</item>
		<item>
		<title>Onetouch AT G2（1TG2-3000）端对端路径性能评估</title>
		<link>http://www.faxytech.com/archives/1tg2-end-end.html</link>
		<comments>http://www.faxytech.com/archives/1tg2-end-end.html#comments</comments>
		<pubDate>Tue, 30 Oct 2018 06:32:59 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[1TG2-1500]]></category>
		<category><![CDATA[NETSCOUT]]></category>

		<guid isPermaLink="false">http://www.faxytech.com/?p=10358</guid>
		<description><![CDATA[端对端路径性能评估 通过端对端的路径性能评估，确保新安装或升级的有线和 Wi-Fi 网络达到 SLA 目标，并且能够满足新的更高带宽的应用程序的需要。评估本地 OneTouch AT 和远端 OneTouch AT 对等... ]]></description>
			<content:encoded><![CDATA[<h6 id="ui-accordion-1-header-10">端对端路径性能评估</h6>
<div id="ui-accordion-1-panel-10">
<p>通过端对端的路径性能评估，确保新安装或升级的有线和 Wi-Fi 网络达到 SLA 目标，并且能够满足新的更高带宽的应用程序的需要。评估本地 <span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/onetouch-at.html" title="OneTouch">OneTouch</a></span> AT 和远端 <span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/onetouch-at.html" title="福禄克Fluke OneTouch AT">OneTouch AT</a></span> 对等设备或远端 <span class='wp_keywordlink'><a href="http://www.faxy-tech.com/Products/LR-G2.html" title="linkrunner">LinkRunner</a></span> 或 NPT Reflector 软件等反射器间的吞吐量、丢帧、延迟和抖动。远端对等设备提供上行和下行的结果，而远端反射器提供往返的结果。OneTouch AT G2 根据 RFC2544 算法在铜线和光纤网络上评估速率达到 1 Gbps 时的性能，在 Wi-Fi 网络上评估速率达到 600 Mbps 时的性能。OneTouch 10G 可根据 Y1564 相对其他 OneTouch 10G 对等设备评估高达 10Gbps 时的网络性能。OneTouch 也可使用任意 iPerf v3.x 服务器或 <span class='wp_keywordlink'><a href="http://www.faxytech.com/netscout/" title="NETSCOUT">NETSCOUT</a></span> TEST-ACC 通过 Wi-Fi 或有线网络执行 iPerf 测试。它最合适在故障排除时评估 TCP 流可达到的最大吞吐量或 UDP 流的网络性能。</p>
<p><img title="福禄克Onetouch AT 10G性能测试" src="http://www.faxytech.com/wp-content/uploads/2015/08/perf02.png" alt="福禄克Onetouch AT 10G性能测试" width="307" height="410" /> <img title="福禄克Onetouch AT 1T-3000性能测试仪" src="http://www.faxytech.com/wp-content/uploads/2015/08/perf01.png" alt="福禄克Onetouch AT 1T-3000性能测试仪" width="307" height="410" /></p>
</div>
<p>&nbsp;</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Aircheck G2有线以太网测试</title>
		<link>http://www.faxytech.com/archives/aircheck-lan.html</link>
		<comments>http://www.faxytech.com/archives/aircheck-lan.html#comments</comments>
		<pubDate>Mon, 29 Oct 2018 06:15:34 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[Aircheck G2]]></category>
		<category><![CDATA[NETSCOUT]]></category>

		<guid isPermaLink="false">http://www.faxytech.com/?p=10355</guid>
		<description><![CDATA[接入点到网络的回程连接必须可用，AirCheck G2 内置的以太网测试可以验证此可用性。 诊断并测试以太网供电 (PoE)、到交换机的链路、DHCP、网关和网络连接。 通过 CDP/LLDP/EDP 获取您管理交换机的... ]]></description>
			<content:encoded><![CDATA[<p>接入点到网络的回程<span style="color: #000000;">连接必须可用，<span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/aircheck-wifi-tester.html" title="福禄克FLUKE无线测试仪AirCheck">AirCheck</a></span> G2 内置的以</span>太网测试可以验证此可用性。</p>
<ul>
<li>诊断并测试以太网供电 (PoE)、到交换机的链路、DHCP、网关和网络连接。</li>
<li>通过 CDP/LLDP/EDP 获取您管理交换机的 VLAN、交换机名称和端口信息</li>
<li>自动报告至 Link-Live 云端服务平台</li>
<li>将详细测试结果直接发送到您的电子邮件</li>
</ul>
<p>&nbsp;</p>
]]></content:encoded>
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		</item>
		<item>
		<title>NETSCOUT Onetouch AT G2（1TG2-3000）端口扫描功能详解</title>
		<link>http://www.faxytech.com/archives/1tg2-port-scan.html</link>
		<comments>http://www.faxytech.com/archives/1tg2-port-scan.html#comments</comments>
		<pubDate>Thu, 16 Aug 2018 06:33:02 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[1TG2-3000]]></category>
		<category><![CDATA[Fluke]]></category>
		<category><![CDATA[NETSCOUT]]></category>

		<guid isPermaLink="false">http://www.faxytech.com/?p=10225</guid>
		<description><![CDATA[在 Internet上，各主机间通过TCP/TP协议发送和接收数据报，各个数据报根据其目的主机的ip地址来进行互联网络中的路由选择。可见，把数据报顺 利的传送到目的主机是没有问题的。问题出在哪... ]]></description>
			<content:encoded><![CDATA[<div>
<h3></h3>
<p>在 Internet上，各主机间通过TCP/TP协议发送和接收数据报，各个数据报根据其目的主机的ip地址来进行互联网络中的路由选择。可见，把数据报顺 利的传送到目的主机是没有问题的。问题出在哪里呢?我们知道大多数操作系统都支持多程序（进程）同时运行，那么目的主机应该把接收到的数据报传送给众多同 时运行的进程中的哪一个呢？显然这个问题有待解决，端口机制便由此被引入进来。</p>
<p>本地操作系统会给那些有需求的进程分配协议端口 （protocal port，即我们常说的端口），每个协议端口由一个正整数标识，如：80，139，445，等等。当目的主机接收到数据报后，将根据报文首部的目的端口 号，把数据发送到相应端口，而与此端口相对应的那个进程将会领取数据并等待下一组数据的到来。说到这里，端口的概念似乎仍然抽象，那么继续跟我来，别走 开。</p>
<p>端口其实就是队，操作系统为各个进程分配了不同的队，数据报按照目的端口被推入相应的队中，等待被进程取用，在极特殊的情况下，这个队也是有可能溢出的，不过操作系统允许各进程指定和调整自己的队的大小。<br />
不光接受数据报的进程需要开启它自己的端口，发送数据报的进程也需要开启端口，这样，数据报中将会标识有源端口，以便接受方能顺利的回传数据报到这个端口。</p>
</div>
<div>
<p>Network ports are the entry points to a server or workstation that is connected to the Internet. A service that listens on a port is able to receive data from a client, process it and send a response back. Malicious clients can sometimes exploit vulnerabilities in the server code so they gain access to sensitive data or execute malicious code on the machine remotely.</p>
<p>The Port Scan feature scans the target device for many commonly used open ports. Results are reported on the device’s button on?the WIRED ANALYSIS screen. The device’s button must be expanded to view the port scan results.</p>
<p>To use the Port Scan?feature:</p>
<ol>
<li>Run AutoTest</li>
<li>Tap the Wired Analysis icon on the HOME screen</li>
<li>Tap a device’s button to expand it</li>
<li>Tap the wired TOOLS button</li>
<li>Tap the Port Scan button</li>
</ol>
<p><strong>What ports are scanned?</strong><br />
<span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/onetouch-at.html" title="OneTouch">OneTouch</a></span> AT G2scans the following ports during the &#8220;PortScan&#8221; process.? <span class='wp_keywordlink'><a href="http://www.faxytech.com/archives/onetouch-at.html" title="福禄克Fluke OneTouch AT">OneTouch AT</a></span> does not scan all ports in order to prevent tripping an IDS/IPS system.</p>
<table border="1" cellspacing="15" cellpadding="15" width="517">
<tbody>
<tr>
<td>7</td>
<td>echo</td>
<td></td>
<td>554</td>
<td>rtsp</td>
</tr>
<tr>
<td>9</td>
<td>discard</td>
<td></td>
<td>556</td>
<td>remotefs</td>
</tr>
<tr>
<td>11</td>
<td>systat</td>
<td></td>
<td>585</td>
<td>imap</td>
</tr>
<tr>
<td>13</td>
<td>daytime</td>
<td></td>
<td>634</td>
<td>ginad</td>
</tr>
<tr>
<td>17</td>
<td>qotd</td>
<td></td>
<td>636</td>
<td>ldaps</td>
</tr>
<tr>
<td>18</td>
<td>msp</td>
<td></td>
<td>666</td>
<td>doom</td>
</tr>
<tr>
<td>19</td>
<td>chargen</td>
<td></td>
<td>749</td>
<td>kerberos-adm</td>
</tr>
<tr>
<td>20</td>
<td>ftp-data</td>
<td></td>
<td>762</td>
<td>quotad</td>
</tr>
<tr>
<td>21</td>
<td>ftp</td>
<td></td>
<td>892</td>
<td></td>
</tr>
<tr>
<td>22</td>
<td>ssh</td>
<td></td>
<td>901</td>
<td>snmpnameres</td>
</tr>
<tr>
<td>23</td>
<td>telnet</td>
<td></td>
<td>902</td>
<td>vmware-console</td>
</tr>
<tr>
<td>25</td>
<td>smtp</td>
<td>&#8230;&#8230;&#8230;&#8230;</td>
<td>912</td>
<td>apex-mesh</td>
</tr>
<tr>
<td>37</td>
<td>time</td>
<td></td>
<td>993</td>
<td>imaps</td>
</tr>
<tr>
<td>38</td>
<td>rap</td>
<td></td>
<td>995</td>
<td>pop3s</td>
</tr>
<tr>
<td>39</td>
<td>rlp</td>
<td></td>
<td>1025</td>
<td>microsoft-adl</td>
</tr>
<tr>
<td>43</td>
<td>nicname</td>
<td></td>
<td>1080</td>
<td>socks</td>
</tr>
<tr>
<td>49</td>
<td>tacacs</td>
<td></td>
<td>1155</td>
<td>nfa</td>
</tr>
<tr>
<td>53</td>
<td>domain</td>
<td></td>
<td>1366</td>
<td>netware-csp</td>
</tr>
<tr>
<td>66</td>
<td>sql-net</td>
<td></td>
<td>1417</td>
<td>timbuktu-srv1</td>
</tr>
<tr>
<td>67</td>
<td>bootps</td>
<td></td>
<td>1433</td>
<td>ms-sql-s</td>
</tr>
<tr>
<td>68</td>
<td>bootpc</td>
<td></td>
<td>1434</td>
<td>ms-sql-m</td>
</tr>
<tr>
<td>70</td>
<td>gopher</td>
<td></td>
<td>1498</td>
<td>sybase-sqlany</td>
</tr>
<tr>
<td>79</td>
<td>finger</td>
<td></td>
<td>1521</td>
<td>oracle-db</td>
</tr>
<tr>
<td>80</td>
<td>http</td>
<td></td>
<td>1524</td>
<td>ingreslock</td>
</tr>
<tr>
<td>88</td>
<td>kerberos</td>
<td></td>
<td>1525</td>
<td>orasrv</td>
</tr>
<tr>
<td>107</td>
<td>rtelnet</td>
<td></td>
<td>1720</td>
<td>h323hostcall</td>
</tr>
<tr>
<td>110</td>
<td>pop3</td>
<td></td>
<td>1723</td>
<td>pptp</td>
</tr>
<tr>
<td>111</td>
<td>sunrpc</td>
<td></td>
<td>1812</td>
<td>radius</td>
</tr>
<tr>
<td>113</td>
<td>ident</td>
<td></td>
<td>1813</td>
<td>radius-acct</td>
</tr>
<tr>
<td>118</td>
<td>sqlserv</td>
<td></td>
<td>2000-2002</td>
<td>cisco-sccp</td>
</tr>
<tr>
<td>123</td>
<td>ntp</td>
<td></td>
<td>2049</td>
<td>nfs</td>
</tr>
<tr>
<td>135</td>
<td>epmap</td>
<td></td>
<td>3128</td>
<td>ndl-aas</td>
</tr>
<tr>
<td>137</td>
<td>netbios-ns</td>
<td></td>
<td>3268</td>
<td>msft-gc</td>
</tr>
<tr>
<td>138</td>
<td>netbios-dgm</td>
<td></td>
<td>3269</td>
<td>msft-gc-ssl</td>
</tr>
<tr>
<td>139</td>
<td>netbios-ssn</td>
<td></td>
<td>3306</td>
<td>mysql</td>
</tr>
<tr>
<td>143</td>
<td>imap</td>
<td></td>
<td>3389</td>
<td>ms-wbt-server</td>
</tr>
<tr>
<td>156</td>
<td>sqlsrv</td>
<td></td>
<td>4400</td>
<td>ds-srv</td>
</tr>
<tr>
<td>161</td>
<td>snmp</td>
<td></td>
<td>4488</td>
<td>awacs-ice</td>
</tr>
<tr>
<td>162</td>
<td>snmptrap</td>
<td></td>
<td>4672</td>
<td>rfa</td>
</tr>
<tr>
<td>204</td>
<td>at-echo</td>
<td></td>
<td>4899</td>
<td>radmin-port</td>
</tr>
<tr>
<td>379</td>
<td>ldap</td>
<td></td>
<td>5190</td>
<td>aol</td>
</tr>
<tr>
<td>389</td>
<td>ldap</td>
<td></td>
<td>5432</td>
<td>postgresql</td>
</tr>
<tr>
<td>390</td>
<td>ldap</td>
<td></td>
<td>6000-6004</td>
<td>ms-exchange</td>
</tr>
<tr>
<td>427</td>
<td>svrloc</td>
<td></td>
<td>6005</td>
<td>x11</td>
</tr>
<tr>
<td>443</td>
<td>https</td>
<td></td>
<td>8001</td>
<td>http-alt</td>
</tr>
<tr>
<td>445</td>
<td>microsoft-ds</td>
<td></td>
<td>8080</td>
<td>http-alt</td>
</tr>
<tr>
<td>465</td>
<td>urd</td>
<td></td>
<td>8443</td>
<td>pcsync-https</td>
</tr>
<tr>
<td>512</td>
<td>exec</td>
<td></td>
<td>12345</td>
<td>italk</td>
</tr>
<tr>
<td>513</td>
<td>login</td>
<td></td>
<td>50000</td>
<td>db2-server-old</td>
</tr>
<tr>
<td>514</td>
<td>shell</td>
<td></td>
<td>60000</td>
<td>db2-server</td>
</tr>
<tr>
<td>515</td>
<td>printer</td>
<td></td>
<td>62078</td>
<td>iphone-sync</td>
</tr>
<tr>
<td>519</td>
<td>utime</td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
</div>
<p>&nbsp;</p>
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