INTERNET Watch

EthernetのRJ45ジャックが世界共通の電源に～IEEEが「802.3af-2003」を承認

http://www.powerdsine.com/news/prs/pr_230603_IEEE_8023af.html(英文) Ethernetケーブルを使って電源を供給する「Power over Ethernet（PoE）」技術が ...
Wired

What is Ethernet? Everything You Need to Know About Wired Networks

Before Wi-Fi became ubiquitous, Ethernet was the preferred way to get your devices onto the internet. By running Ethernet cables in a local area network (LAN) or wide area network (WAN), you could ...