Phoenix Contact 1343023 A compact Ethernet switch is available that can operate in a wide range of temperatures while supporting multiple network connections through its four RJ45 ports and one SFP port. The switch also features fast data transfer speeds up to 1000 Mbps on all ports, as well as automatic speed detection to ensure optimal performance, making it ideal for applications requiring high-speed and reliable networking capabilities such as autocrossing and Quality of Service (QoS) prioritization.