The SFP1GZXEMCST is a Dell EMC SFP-1G-ZX compatible fiber transceiver module that has been designed, programmed and tested to work with Dell EMC brand switches and routers. It delivers dependable 1 GbE connectivity over fiber cable, for 1000Base-ZX compliant networks, with a maximum distance of up to 80 km (49.7 mi). Technical Specifications: Wavelength: 1550nm Maximum Data Transfer Rate: 1000 Mbps (1 Gbps) Type: Single Mode Fiber Connection Type: LC Connector Maximum Transfer Distance: 80 km (49.7 mi) MTBF: 53,972,659 hours Power Consumption: Low power consumption Digital Diagnostics Monitoring (DDM): Yes This SFP fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All 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.