The SFP-10G-LR-40-ST is a Cisco SFP-10G-LR-40 compatible fiber transceiver module that has been designed, programmed and tested to work with Cisco brand switches and routers. It delivers dependable 10 GbE connectivity over fiber cable, for 10GBase-LR compliant networks, with a maximum distance of up to 40 km (24.8 mi). FeaturesSFP+ transceiver module complies with MSA industry standards - 10GBase-LR Fiber transceiver has low power consumption 16WHot-swappable with other fiber optic modulesSingle Mode connector with Digital Diagnostic Monitoring (DDM)This SFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptionsSpecificationsWave Length: 1310nmType: Single Mode FiberConnection Type: LC ConnectorMaximum Transfer Distance: 40 km (24.8 mi)MTBF: 426,514,897 hoursPower Consumption: 1.6WDigital Diagnostics Monitoring (DDM): YesWeight: 0.11 lbs