DETAILS: Used individually or in pairs, this media converter can extend Gigabit Ethernet over single mode fiber up to 125 km. Convert 1000BASE-SX ports on a Gigabit Ethernet switch to 1000BASE-LX on a port-by-port basis. Ideal for campus area networks or other applications requiring the distance advantages of single mode fiber. Product Description Transition Stand-Alone media converter Device Type: Media converter Enclosure Type: External Dimensions (WxDxH): 3.2 in x 4.7 in x 1 in Cabling Type: 1000Base-SX Data Transfer Rate: 1 Gbps Optical Wave Length: 850 nm Data Link Protocol: Gigabit Ethernet Max Transfer Distance: 720 ft Compliant Standards: IEEE 802.3 , CE, FCC Class A certified, UL, CISPR 22 Class A Manufacturer Warranty: Limited lifetime warranty ALTERNATE ITEM #: SFMFF1313-220 UPC: 0648177013975