百兆以太网一致性测试操作

[{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/120128b9635fca8a.png"}},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"本次测试我们使用的设备包括泰克MSO5204示波器，TDP1500差分探头1只， 1000/100/10BASE-T以太网测试夹具TF-GBE-BTP，我们测试的目标是一台网络分析仪的以太网接口，连接图如下：\n "},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/6704b7a02b9d9a98.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/9b62affbea651634.png"}},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"此款夹具上有不同的测试点供不同的测试项目，此次使用的百兆以太网一般选择TC2上的P9差分口来连接探头，如果针对无法强制发包的待测件，可选择TC6上的P20接口，使用一个百兆信号的Link Partner来诱导发包，此时需要把100Ω的插孔进行端接。"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/b64ddf91d1e617b4.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":"打开以太网一致性测试软件，Select菜单里分别选择测试速率、测试项目；Configure菜单里选择测试通道、波形数量、脉冲宽度等信息（一般均可默认值），然后按照向导图例连接好线缆，就可以看波形信息是否符合以太网的码型，没问题接下来就可以点击run test进行自动化测试，全部项目测试完大概需要8分钟，软件会自动生成对应的测试报告供分析验证。如果需要回波损耗或者额外添加干扰源测试，需要搭配一台AWG来提供对应的信号搭配测试。"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2034/35e00a09d748031e.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"——作者 君鉴科技/苏赛轼"},{"attributes":{"align":"right"},"insert":"\n"},{"insert":"\n"}]