久久久国产精品视频袁燕,99re久久精品国产,亚洲欧美日韩国产综合v,天天躁夜夜躁狠狠久久,激情五月婷婷激情五月婷婷

  • 回復(fù)
  • 收藏
  • 點(diǎn)贊
  • 分享
  • 發(fā)新帖

1000Base test report

有沒高手可以解讀下附件的test report,,關(guān)于gigaRJ45的
全部回復(fù)(3)
正序查看
倒序查看
cqli2004
LV.1
2
2009-04-21 21:34
附件發(fā)不上來..可參考下面..
pass
0 1 1000 Base-T, Point A Peak Output Voltage(w/o Disturbing Signal)
676.3mV 4.2 % 670.0mV < VALUE < 820.0mV

FAIL  port detail
1 1 1000 Base-T, Point C Peak Output Voltage(w/o Disturbing Signal)
2.15% -7.5 % |VALUE| < 2.00%
1000 Base-T, Point C Peak Output Voltage(w/o Disturbing Signal) Reference: IEEE802.3-2005 Subclause 40.6.1.2.1
Test Summary: FAIL Test Description: The absolute value of the peak of the waveform at point C shall differ by less than 2 0.000000rom 0.5 times the average of the absolute values of the peaks of the waveform at points A and B
Test Limits:< 2.00%% Difference2.15%
0
回復(fù)
cqli2004
LV.1
3
2009-04-23 20:11
@cqli2004
附件發(fā)不上來..可參考下面..pass011000Base-T,PointAPeakOutputVoltage(w/oDisturbingSignal)676.3mV4.2%670.0mV
沒人理呢
0
回復(fù)
2009-04-26 10:14
@cqli2004
沒人理呢
你這分文件是RJ45測試報(bào)告/
   測試PASS時它的輸出電壓范圍是676.3mV 4.2 % 670.0mV < VALUE < 820.0mV
    測試NG是波形式超出范圍/1000BASE產(chǎn)品/要考磁環(huán)使用是否合理
0
回復(fù)
發(fā)