Mini 2-Port RJ45 Network Switch Selector—switch between internal network and external network cable effortlessly, avoiding the hassle of repeatedly plugging and unplugging network cables. RJ45 Network Switch Selector—plug and play, no need to restart your computer. It can be configured as 1 in/2 out or 2 in/1 out. 2-Port RJ45 Network Switch Selector features a switch button. Simply turn the switch to the side of the active port when selecting which port to use. It is a purely mechanical switch that effectively prevents IP series connections. RJ45 8P8C Network Two-Way Splitter Switch Box—can be used after connecting to your computer, no additional power supply required. Provides real physical isolation, ensuring internal and external networks do not interfere. Manual two-way switching distribution.