RUGGEDCOM RSG2488 is a RuggedRated fully managed Ethernet switch; 128-bit Encryption; up to 28 non-blocking ports; configured as: 10/100/1000TX copper, 100FX or 1000SX fiber. Support six 4-port modules plus two 2-port modules Mixture of fiber optic or copper Gigabit ports with up to 28 Gig Ethernet ports; -40 °Cel to +85 °Cel operating temperature (fanless)