CXR Larus SWD-H-4TPS-3TX-FS20 Non manageable DIN-Rail Ethernet switch,hardened -40 to +75°C working temperature, 4 ports 10/100BaseT PoE Pse, 3 ports 10/100BaseT, 1 port uplink 100FX SM for 20km, redundant power 47-55Vc, IEC61000-6-2