1000BASE-SX SFP 1310nm 2km DOM Duplex LC MMF Transceiver Module for FS Switches - FS.com Europe
GLC-LH-SMD, Cisco 1000BASE-LX/LH SFP transceiver module for MMF and SMF, 1300-nm wavelength, extended operating temperature range and DOM support, dual LC/PC connector | EET