Desktop RJ45 2 to 1 CAT5 Ethernet 10 Mbps Manual Switch. 2 to 1 switches switch two devices (A and B) to one peripheral (C), or two peripherals to one device. Switches have a wiring harness and use a "stackpole" switching mechanism.
One PC can switch between two Ethernet networks
Or two PCs can take turns accessing one Ethernet connection
Switches 10BASE-T 10Mbps signals
Use modular adapters on both ends to switch between one computer and two terminals