Chris 🇹🇼 | Telegram 尼有事嗎 says to YSITD 如果一樣可以用Cat.5e跑的話 我覺得或許有市場 http://www.techbang.com/posts/46446-ieee-8023bz-specification-formally-promulgated-compatible-with-existing-wire-transfer-rates-up-to-5gbps