TP-LINK TL-SM311LS - Gigabit SFP module - 1000Base-LX Single-mode Fiber Mini GBIC Module - Up to 10km distance - Plug and Play - LC/UPC interface

Work with MC210CS with single mode fiber connection. Compatible with all SFP ports on TP-Link product including JetStream switches, and media converter MC220L. Wave Length: 1310nm. Data Rate: 1.25Gbps. Port Type: LC/UPC. Max. Cable Length: 12.4miles (20km) for 9/125um Single-Mode Fiber. Always keep the protective dust plug on the SFPs optical bores until you are ready to make a connection. Single-Mode MiniGBIC module, Supports full-duplex.