千家论坛_智能建筑与智能家居技术交流社区
标题:
[求助]最近遇到一个刺手的布线问题--在线等,急!
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作者:
小毛在路上
时间:
2006-11-22 10:15
标题:
[求助]最近遇到一个刺手的布线问题--在线等,急!
<p> 本人接触网络不是很久!!</p><p>前段时间刚做一个小的布线工程,网线用的都是超五的双胶线。布线完工后,客户验收的标准</p><p>是: 在两台PC之间传一个800M的文件,结果用了一分钟(60秒),用文件的大小除以时间秒。</p><p>得到的结果是:13.3M/秒 ,客户就说我的网线没有达到100M标准。真是说也说不清。</p><p>请哪位高手能不能告诉我一下,超五类双胶线传输100M 是怎么定义的!</p><p>如何解释,谢谢!在线等,急!</p>
作者:
烦!真烦!
时间:
2006-11-22 10:32
<p>好像是指最大传输率能达到一百兆,但实际施工中经过拉伸,缠绕,端接,与其他信号源线缆交叉等基本都不能达到了。</p><p>个人认为和车辆的里程表或油耗是以一样的原理,那个车可以跑到里程表所标识的速度?哪个车又能达到像厂家宣传那样的油耗?</p>
作者:
csyhly1
时间:
2006-11-22 10:37
<p>这样的回答我喜欢!非常正确!</p>
作者:
小毛在路上
时间:
2006-11-22 10:37
谢谢!!还没有更加好的一点点的解释啊!!或是100M超五类双胶线,又是如何定义的呢!!
作者:
Max-Alex
时间:
2006-11-22 10:42
传输率是要看设备的,不是看线地!还要看整个网络的环境.
作者:
梁鹏飞
时间:
2006-11-22 10:56
<p>这个好像是 实验室 值是100M.其余的意见同意上面的.2楼的佩服</p><p>有机会认识下:QQ358773721手机13391830394</p><p>梁鹏飞</p>
作者:
小毛在路上
时间:
2006-11-22 11:16
<p>非常感谢大家!!又学了不少!!</p>
作者:
xiayibo
时间:
2006-11-22 13:41
<p>呵呵 客户在跟你开玩笑吧,没见过这样验收的!</p>
作者:
ruanxingzhu
时间:
2006-11-22 14:35
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">双绞线质量的优劣是决定局域网带宽的关键因素之一。某些厂商在五类</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">UTP</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">电缆中所包裹的是</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">3</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">类或</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">4</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">类</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">UTP</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">中所使用的线对,这种制假方法对一般用户来说很难辨别。这种所谓的</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">五类</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">UTP”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">无法达到</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">100Mbps</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">的数据传输率,最大为</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">10Mbps</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">或</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">16Mbps</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">。一个简单的鉴别办法是用一条双绞线连接两台</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">100Mbps</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">的设备</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">(</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">网卡到网卡或网卡到</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">HUB)</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">,通信时用</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">Windows 95/98</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">自带的</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">monitor</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">检测工具对其数据传输率进行监测。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span><shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" opreferrelative="t" ospt="75" coordsize="21600,21600"><stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path oconnecttype="rect" gradientshapeok="t" oextrusionok="f"></path><lock aspectratio="t" vext="edit"></lock></shapetype><shape id="_x0000_s1026" oallowoverlap="f" alt="" type="#_x0000_t75" style="MARGIN-TOP: -600.3pt; Z-INDEX: 1; LEFT: 0px; MARGIN-LEFT: -132.2pt; WIDTH: 6pt; POSITION: absolute; HEIGHT: 9pt; TEXT-ALIGN: left; mso-wrap-distance-left: 0; 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FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">·</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">选择</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><b><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 12.0pt;">开始</span></b><b><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">→</font></span></b><b><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 12.0pt;">程序</span></b><b><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">→</font></span></b><b><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 12.0pt;">附件</span></b><b><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">→</font></span></b><b><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 12.0pt;">系统工具</span></b><b><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 12.0pt;"><font face="Times New Roman">→</font></span></b><b><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 12.0pt;">系统监视器</span></b><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">,将出现</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">系统监视器</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">窗口。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">如果在</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">系统工具</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">中没有</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">系统监视器</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">工具时,可通过</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">我的电脑</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">→</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">添加</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">/</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">删除程序</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">→Windows</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">安装程序</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">→</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">系统工具</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">→</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">系统监视器</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">建立。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/><font face="Times New Roman">·</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">在</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">系统监视器</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">窗口中设置监视对象。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">选择</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">编辑</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">菜单中的</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">添加项目</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">选项,在出现的对话框的</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">类别</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">列表中选择</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“Microsoft</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">网络服务器</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">或</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“Microsoft</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">网络客户</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”(</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">注意</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">:</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">在保证网络连接正常的情况下</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">)</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">,在下一个对话框中选择</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">写入的字节数</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">/</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">秒</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">或</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">读取的字节数</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">/</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">秒</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">。至于选择</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“Microsoft</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">网络服务器</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">或</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“Microsoft</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">网络客户</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">,还是</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">写入的字节数</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">/</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">秒</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">或</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">“</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">读取的字节数</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">/</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">秒</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">”</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">,读者可任意选择,因为在网络中一个节点发送出的数据应该等于另一个节点接收到的数据。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/><font face="Times New Roman">·</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">设置测试数据的输出方式。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">系统提供了折线图、条形图和数字图三种输出方式,可通过窗口工具栏内的按钮来选择。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/><font face="Times New Roman">·</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">进行测试。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><br/></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">最有效的办法是从服务器向你进行测试的工作站上拷贝大量的文件</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">(</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">为了测试的准确性,所拷贝的内容一定要足够多</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">)</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">。一般来说,显示的峰值数值在</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">4M/s</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">以上,就基本可以肯定是五类网线了</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">(3</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">类线所能达到的峰值数值大约为</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><font face="Times New Roman">2.5M/s)</font></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"><p></p></span></p>
作者:
echo-33
时间:
2006-11-22 16:09
<p>关于这个问题,我的理解是这样:五类线或是超五类的100M标准是指的bit,即字符,而我们平时文件的大小是用byte ,即字节来计算的。而大家都知到,1byte=8bit .所以13.3MB/s=13.3*8=106.4Mb/s.</p><p>不知道对不:)</p>
作者:
shipdu
时间:
2006-11-22 16:12
<font color="#ee3d11">我们说的100M指的是网络的传输速度,它的单位是bit,而我们硬盘里的资料,比如说你说的客户的800M的文件,它的单位是Byte</font><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"> </div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;">Bit与Byte的区别<br/> Bit意为“位”或“比特”,是计算机运算的基础;<br/>Byte意为“字节”,是计算机文件大小的基本计算单位;</div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"><div id="msgcns!1433F390AFC9B66D!191"><div>说到100M网络的传输速率。许多人都将“100Mbps”误解为100兆/秒。其实,这是错误的,事实上“100Mbps”应为“100兆比特/秒”或“100兆位/秒”,它等于“12.5兆字节/秒”</div><div>这要从Bit和Byte说起:Bit和Byte同译为"比特",都是数据量度单位,bit=“比特”或“位”。<br/><font color="#ee1169">Byte=字节即1byte=8bits,两者换算是1:8的关系</font>。<br/>Mbps=mega bits per second(兆位/秒)是速率单位,所以正确的说法应该是说100M的传输速度是100兆位/秒,即100MBps。<br/>MB=mega bytes(兆比、兆字节)是量单位,1MB/S(兆字节/秒)=8MBPS(兆位/秒)。</div><div>我们所说的硬盘容量是40GB、80GB、100GB,这里的B指是的Byte也就是“字节”。<br/>1 KB = 1024 bytes =2^10 bytes<br/>1 MB = 1024 KB = 2^20 bytes<br/>1 GB = 1024 MB = 2^30 bytes</div></div></div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"> </div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"><font color="#e61a1a">可以负责的说你所做的工程完全达标。因为:800M byte=800*8=6400Mbit</font></div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"><font color="#e61a1a"> 6400/60=108M</font></div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"><font size="1">如有不清楚可以给我写信或打电话13931883373</font></div>
作者:
wmltiger
时间:
2006-11-22 17:53
<p>我觉得大家方向讨论有些偏了,做布线几年了,第一次听说这样的验收方式,达不达标,用专业FLUKE一测就可以了,家有家规,行业有行业的标准,哪怕传输他达不到,只要FLUKE测试通过了,她就没有话说了,他说达不到,有很多因素,跳线,电脑配置,还有交换机,以及网卡,只要测试通过了,实际传输达不到,你完全可以说是他们电脑的配置问题。</p>
作者:
ainy
时间:
2006-11-22 23:45
<p>我们所说的100M是100Mbits/s而不是100MBytes/s</p><p>bit是传输单位,Byte是存储单位,1Byte=8bits,你可以这样跟用户解释</p><p>不过楼主你的13.3MByte/s 是怎么来的(800M、1分钟这两个数据没给对哦)? 100/8=12.5除去协议损耗,结果不可能能达到12.5M ,结果跟你用的协议有关(ftp、http协议损耗不一样),应该不到11M(具体我没试验过)</p><p>2楼的扯淡!!! 太不负责任了</p><p>虽然很少会用这种测试方式,不过这个土方法确实是最直观最实用的。</p><p>客户要求这样完全有道理:“别那那些Fluke数据来忽悠我,我要的是效果不是数据。”</p><p>呵呵</p><p></p><p></p>
作者:
烦!真烦!
时间:
2006-11-23 09:07
<div class="quote"><b>以下是引用<i>ainy</i>在2006-11-22 23:45:00的发言:</b><br/><p>我们所说的100M是100Mbits/s而不是100MBytes/s</p><p>bit是传输单位,Byte是存储单位,1Byte=8bits,你可以这样跟用户解释</p><p>不过楼主你的13.3MByte/s 是怎么来的(800M、1分钟这两个数据没给对哦)? 100/8=12.5除去协议损耗,结果不可能能达到12.5M ,结果跟你用的协议有关(ftp、http协议损耗不一样),应该不到11M(具体我没试验过)</p><p>2楼的扯淡!!! 太不负责任了</p><p>虽然很少会用这种测试方式,不过这个土方法确实是最直观最实用的。</p><p>客户要求这样完全有道理:“别那那些Fluke数据来忽悠我,我要的是效果不是数据。”</p><p>呵呵</p><p></p><p></p></div><p></p><p>你有毛病吧!会说话吗?什么叫扯淡?你来解释一下!我怎么不负责任了?打个比喻就算是错了就叫扯淡吗?我没说是绝对啊!我个人认为就不行吗?难道你个人认为的事情都是扯淡吗?你来给楼主解释个不扯淡的!你这点解释不还是照抄楼上几位的,你来点新鲜的给楼主看看,让楼主明白到底是怎么定义的!</p><p>别人说的不对你可以指正,但说话讲点文明!难道调侃两句也有错!</p>
作者:
muyi_china
时间:
2006-11-23 13:30
11楼的朋友回答正确,奖励糖一块。
作者:
mofeixue
时间:
2006-11-23 14:12
长知识 3Q^_^
作者:
lucky.lu
时间:
2006-11-23 14:32
<div class="quote"><b>以下是引用<i>shipdu</i>在2006-11-22 16:12:00的发言:</b><br/><font color="#ee3d11">我们说的100M指的是网络的传输速度,它的单位是bit,而我们硬盘里的资料,比如说你说的客户的800M的文件,它的单位是Byte</font><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"> </div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;">Bit与Byte的区别<br/> Bit意为“位”或“比特”,是计算机运算的基础;<br/>Byte意为“字节”,是计算机文件大小的基本计算单位;</div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"><div id="msgcns!1433F390AFC9B66D!191"><div>说到100M网络的传输速率。许多人都将“100Mbps”误解为100兆/秒。其实,这是错误的,事实上“100Mbps”应为“100兆比特/秒”或“100兆位/秒”,它等于“12.5兆字节/秒”</div><div>这要从Bit和Byte说起:Bit和Byte同译为"比特",都是数据量度单位,bit=“比特”或“位”。<br/><font color="#ee1169">Byte=字节即1byte=8bits,两者换算是1:8的关系</font>。<br/>Mbps=mega bits per second(兆位/秒)是速率单位,所以正确的说法应该是说100M的传输速度是100兆位/秒,即100MBps。<br/>MB=mega bytes(兆比、兆字节)是量单位,1MB/S(兆字节/秒)=8MBPS(兆位/秒)。</div><div>我们所说的硬盘容量是40GB、80GB、100GB,这里的B指是的Byte也就是“字节”。<br/>1 KB = 1024 bytes =2^10 bytes<br/>1 MB = 1024 KB = 2^20 bytes<br/>1 GB = 1024 MB = 2^30 bytes</div></div></div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"> </div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"><font color="#e61a1a">可以负责的说你所做的工程完全达标。因为:800M byte=800*8=6400Mbit</font></div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"><font color="#e61a1a"> 6400/60=108M</font></div><div class="TextColor1" style="MARGIN-BOTTOM: 0px;"><font size="1">如有不清楚可以给我写信或打电话13931883373</font></div></div><p>高兴,提高中......</p>
作者:
scf006
时间:
2006-11-23 15:47
<p>头一次听说,长知识了</p>
作者:
wrecall21
时间:
2006-11-27 14:57
bit和byte的区别,如果客户再跟你jjyy,让他找一个100M接入的互联网,100M/S下个文件看看。
作者:
BJFLUKE
时间:
2006-11-27 15:18
<p>都像他这样验收那我这做布线认证验收工作的就没工作了啊.哎.FLUKE在中国也没市场了哦.</p>
作者:
FLUKE1088
时间:
2006-11-28 09:13
<p>学习一下</p><p>都是高手啊!</p>
作者:
lovermaple
时间:
2006-11-28 11:16
<p>学习学习再学习,</p><p>都是强人</p>
作者:
nmxydk123
时间:
2006-11-28 15:03
<p>长知识了!</p>
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