Mini 2-port RJ45 network key switcher - You can switch between each network in the internal network and the external network chain at will, avoiding the trouble of frequently plugging and unplugging network cables RJ45 network switch selector, Plug and Play, no need to restart the computer when using, it can be 1" and 2 outputs, or 2" and 1 output The selector box 2-port RJ45 network keys has a switch button. When selecting which port should work, simply turn the switch to the side of the working port. It is a purely mechanical switch, which effectively prevents IP series connection. RJ45 8P8C network 2-way AB sharing switch can be used after connecting to the computer, no additional power supply, isolation real physics, internal and external network do not interfere with each other, manual two-way distribution switching