参考文件:https://www.iol.unh.edu/
测试背景:基于 NBASE-T 规范和IEEE 802.3
准备工具:keysight示波器,1130B差分探头,Fixture治具板
网口的IOL测试也叫网口一致性测试,测试需要相应的工具和设备环境。
测试内容
1000M:
TEST Mode 1:
Point A&B Peak Output Voltage(w/o Disturbing Signal)
Difference A,B Peak Output Voltage(w/o Disturbing Signal)
Point C&D Peak Output Voltage(w/o Disturbing Signal)
Point A& B&C&D&F&H Template Test(w/o Disturbing Signal)
Point G&J Droop Test(w/o Disturbing Signal)
Transmitter Distortion(w/o Disturbing Signal)
TEST Mode 4:
Common-mode output Voltage
100M:
UTP +Vout&-Vout Differential Output Voltage
UTP Signal Amplitude Symmetry,+Vout&-Vout Overshoot
UTP AOI Template,AOI +Vout Rise&Fall Time
AOI +Vout&-Vout Rise/Fall Symmetry
AOI -Vout Rise&&Fall Time
AOI Overall Rise/Fall Symmetry
Transmit Jitter
Duty Cycle Distortion
- 首先从Realtek官网下载最新的Windows PCIE/USB LAN driver
https://www.realtek.com/zh-tw/component/zoo/advanced-search/26?Itemid=283
- 解压缩Windows Waveform Tool,根据系统选择64/32位的程序
- 选择待测设备
- 1000M测试:测试4对Pair,按照上述测试内容分别选择Test mode 1 or Test mode 4
- 1000M治具连接方式
- 100M测试:测试2对Pair,按照上述测试内容分别选择Chanel A or Chanel B
- 100M治具连接与1000M相同
- 按照所需测试项目保存对应的report即可
附件中有给客户测试的PASS报告供参考
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