Hubs
A hub is a wiring concentrator such as a LAN, USB, etc. By allowing multiple computers to connect to the LAN via a hub, it is possible to add or change devices, or by cascading to connect more hubs beyond the hub, you can connect even more devices to the network. In addition, connecting USB devices to a PC via a hub allows more peripheral devices to be used. The hub is used as a switching hub for maintaining the Internet environment such as industrial network equipment, offices, etc. Depending on the product, various functions such as reverse polarity protection, overcurrent prevention, noise prevention, an alarm, etc. Some of them are power-saving types that comply with the Energy Conservation Law and products that comply with the Electrical Appliances and Material Safety Act.