10 Gbps | Single Mode Fiber | LC | 40 km (24.8 mi) | Lifetime WarrantyThe SFP-10G-ER-ST is a Cisco SFP-10G-ER 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-ER compliant networks. with a maximum distance of up to 40 km (24.8 mi).Technical Specifications:• Wavelength: 1550nm• Maximum Data Transfer Rate: 10 Gbps• Type: Single Mode Fiber• Connection Type: LC Connector• Maximum Transfer Distance: 40 km (24.8 mi)• MTBF: 426.514.897 hours• Power Consumption:• Digital Diagnostics Monitoring (DDM): YesThis SFP+ fiber module is hot-swappable. making upgrades and replacements seamless by minimizing network disruptions.StarTech.com SFPsAll StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables. providing the convenience and reliability you need to ensure dependable network performance.