Post AUVanAF4aopMJHZSCG by 0x0177b11f@mastodon.tianshengli.me
(DIR) More posts by 0x0177b11f@mastodon.tianshengli.me
(DIR) Post #AUVan9B8Xy5J0minQG by bi119aTe5hXk@mastodon.ktachibana.party
2023-04-10T01:03:04Z
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网上能买到的大部分PoE分离器都是百兆的,千兆几乎都没有🤔️即便有也是几倍的价格贵死都3220年了千兆PoE有这么难么(
(DIR) Post #AUVanAF4aopMJHZSCG by 0x0177b11f@mastodon.tianshengli.me
2023-04-10T06:14:15Z
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@bi119aTe5hXk -大概容易过 EMI 测试?毕竟百兆有四根空置的线可以用来供电-
(DIR) Post #AUVanBBZ5LcDEgwAMq by Soybean@mastodon.ktachibana.party
2023-04-10T12:13:59Z
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@0x0177b11f @bi119aTe5hXk 是这样吧,百兆的比较容易实现,千兆需要特别的变压器和一个蛮复杂的芯片才能做到,甚至有些时候需要过两次变压器(
(DIR) Post #AUVdH0jKiqLTPB5IZM by roytam1@miniwa.moe
2023-04-10T12:41:54.322734Z
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@Soybean @0x0177b11f @bi119aTe5hXk 100Base-TX PoE只是用4/5/7/8這兩對沒用上的線做PoE,當然比較容易。