COMPACT DESIGN - Industrial grade Multi-Port ethernet switch with automatic MDI/MDI-X crossover for plug-and-play. LOW POWER CONSUMPTION - Energy-Efficient Ethernet, Wide range 12/24/36/48V DC terminal block input. FAST DATA TRANSMISSION - Each port supports high speed auto negotiation, Supports IEEE 802.3, 802.3u, 802.3x standard. ROBUST AND RELIABLE - Can be used in extreme industrial environments, supports a wide range of operating temperatures -30°C ~ +75°C (-22F ~ 167F). Easy to use and DIN rail mountable with built-in bracket, Robust IP30-rated housing. SAFETY & ENVIRONMENTAL CERTIFICATION - Passed UL, cUL, CE, FCC, PSE, REACH (SVHC) and RoHS certifications. Safe and quality-reliable, No worries about damaging functional devices.