Network up to 5 Ethernet devices through a rugged industrial Gigabit Ethernet switch - 5 Port Unmanaged Industrial Gigabit Ethernet Switch - DIN Rail / Wall-Mountable Network Switch - Rugged IP30-Rated Gigabit Switch - Industrial Ethernet Switch - 5 x 10/100/1000 Mbps RJ45 Ports - Wide-range redundant power via two 12-58V DC terminal block inputs with alarm relay