StarTech.com Industrial Fiber to Ethernet Media Converter - 100Mbps SFP to RJ45/CAT6 SM/MM - Fiber to Copper Network - IP-30 12V Input - Fiber to Ethernet Media Converter extends networks & converts optical fiber to RJ45 Copper/CAT6 - Industrial Hardened -40 to 75C temp - 100Mbps - Open SFP - 12V-56VDC - Single Mode (SMF) or Multimode Fiber (MMF) - IP-30 Case 2 Year Warranty: