StarTech.com Industrial 5 Port Gigabit Ethernet Switch w/4 PoE RJ45 +2 SFP Slots 30W 802.3at PoE+ 12-48VDC 10/100/1000 Mbps -40C to 75C - Industrial 5 Port Gigabit Ethernet Switch - Up to 30W per 4 PoE ports - 75C to -40C hardened 10/100/1000 Mbps - 2 open SFP slots MSA - IP-30 steel housing MTBF 500k + hrs @ 25C Vibration/shock/free fall rated - Unmanaged DIN rail/wall mount 2yr warr: