1000Base T SFP Transceiver Module 0C - 70C Operating Temperature X2-10GB-SR Cisco X2-10GB-SR Cisco X2-10GB-SR Specifications Form Factor: SFP+ Device Type: Transceiver module Interface (Bus) Type: Plug-in module Connectivity Technology: Wired Application: 10GBASE-LR Data Transfer Rate: 10Gbps Wavelength: 1310nm Max Distance: 10km Fiber Type: SMF Connector: DuplexLC DDM: With DDM Operating Temperature: 0~70 C Application: X2-10GB-SR V05/06 Golden Line - CISCO GENUIN Product Description Cisco 10GBaseSR X2 Module supports a link length of 26m on standard FDDI grade MMF. Using 2000 MHz*km MMF (OM3), up to 300m link lengths are possible. Using 4700 MHz*km MMF (OM4), up to 400m link lengths are possible. Ordering infomation: PN DESCRIBTION WS-G5484 1000BASE-SX Short Wavelength GBIC (Multimode only) WS-G5484 1000BASE-SX Short Wavelength GBIC (Multimode only) WS-G5486 1000BASE-LX/LH long haul GBIC (singlemode or multimode) WS-G5487 1000Base-ZX extended reach GBIC(singlemode) X2-10GB-LR 10GBASE-LR X2 Module X2-10GB-SR 10GBASE-SR X2 Module Pictures for reference: