Interface: 8 POE 10/100/1000Mbps network ports, 2 SFP1000M fiber ports. Safety, Environment, Installation: Safety: Meet IP40 protection degree and EMC industrial grade requirements. Pass through dangerous environmental certification and comply with FCC and CE standards. The hardened IP44 gigabit POE switch is rated for extreme environments with an operating temperature of -4075(-40167°F). DIN-rail Mounted POE Standard: The 8 port POE switch supports POE (15.4W) and POE+ (30W). 1/2 (V+), 3/6 (V-) is default and 4/5 (V+),7/8 (V-) is optional. Chip and Power: A high-quality chip has been used in this Gigabit switch. PSU: Dual redundant power with overload current protection and DC48V Input voltage with Phoenix connectors (Sold without POWER ADAPTER). What You Get: 1pc (6.22 x 4.52 x 2.36inch) 2 SFP Fiber to 8 POE+ port hardened industrial gigabit Ethernet Switch,1 User Manual; Get a warranty for replacement within one year and five years repair by OLYC