1
WS PRO方案跟DCM+VNA的方案的請看附件.而所有的測試方案都是根據(jù)ANSI/TIA/EIA-568-B.2-10的標準進行
<IMG title=dvubb alt=圖片點擊可在新窗口打開查看 src="http://www.--1000bbs.com/skins/default/filetype/jpg.gif" onload=imgresize(this); border=0>此主題相關(guān)圖片如下:ws pro a.jpg
<IMG title=dvubb alt=圖片點擊可在新窗口打開查看 src="http://www.--1000bbs.com/UploadFile/2008-1/200812413282267293.jpg" onload=imgresize(this); border=0>
Insertion loss
length
wiremap
NEXT/PSNEXT loss
ACRF/PSACRF loss (previously ELFEXT/PSELFEXT)
Return loss
Propagation delay/Delay skew
Alien Crosstalk
PSANEXT loss
Average
PSANEXT loss
PSAACRF loss
Average PSAACRF loss
二,使用DCM+NA測試方案可得出如下參數(shù),此方案的價格在200萬左右,實驗室方案
Insertion Loss (Attenuation) | Attenuation to Crosstalk Ratio |
NEXT Loss (Near End Crosstalk) | Velocity of Propagation (VoP) |
FEXT Loss (Far End Crosstalk) | TCL and TCTL (optional) |
Crosstalk Power Sums | Transfer Impedance (optional) |
Structural Return Loss (SRL) | Screening Attenuation (optional) |
Return Loss (RL) | Capacitance and Resistance |
Propagation Delay and Delay Skew | Capacitance Unbalance |
Impedance (Input and Characteristic) | Resistance Unbalance |
|
|
<IMG title=dvubb alt=圖片點擊可在新窗口打開查看 src="http://www.--1000bbs.com/skins/default/filetype/jpg.gif" onload=imgresize(this); border=0>此主題相關(guān)圖片如下:na a.jpg
<IMG title=dvubb alt=圖片點擊可在新窗口打開查看 src="http://www.--1000bbs.com/UploadFile/2008-1/200812413263212691.jpg" onload=imgresize(this); border=0>
實驗室作為針對標準的測試設(shè)備及方案,DCM的大對數(shù)或者4對線測試方案有著很好先進性。滿足標準中提到的裸線測試、接插件測試、通道測試三類測試項目。同時在測量參數(shù)上也完全符合標準草案。
作為生產(chǎn)線以及在工程中測試應(yīng)用,WIRESCOPE PRO 提供了獨一無二的測試方法。以最有效率的方法,減少認為操作誤差,完成外部串擾的六包一測試
