RUGGEDCOM RST2228P is a field modular, fully managed Layer 2 Ethernet switch with 4 x 1/10 GBit/s and 24 x 100/1000 MBit/s non-blocking ethernet ports. Support for up to six 4-port media modules with POE, RJ45, SFP or LC interfaces; Support for Power-over-Ethernet (IEEE 802.3at); -40...+85°C operating temperature (fanless); 128-bit encyption. . . 19" Rack, Panel Mount Kit HI VDC/VAC, Screw terminal 24VDC none LED Panel mounted on the front RUGGEDCOM RMM2973-4POE (4 x RJ45 supporting Power-over-Ethernet (POE, IEEE 802.3at), 10/100/1000 BASE-TX) RUGGEDCOM RMM2973-4POE (4 x RJ45 supporting Power-over-Ethernet (POE, IEEE 802.3at), 10/100/1000 BASE-TX) RUGGEDCOM RMM2973-4POE (4 x RJ45 supporting Power-over-Ethernet (POE, IEEE 802.3at), 10/100/1000 BASE-TX) RUGGEDCOM RMM2973-4POE (4 x RJ45 supporting Power-over-Ethernet (POE, IEEE 802.3at), 10/100/1000 BASE-TX) RUGGEDCOM RMM2973-4POE (4 x RJ45 supporting Power-over-Ethernet (POE, IEEE 802.3at), 10/100/1000 BASE-TX) RUGGEDCOM RMM2973-4PFC (4 x FastConnect (RJ45) supporting Power-over-Ethernet (POE, IEEE 802.3at), 10/100/1000 BASE-TX)