Cisco : 1000BASE-LX/LH SFP TRANSCEIVER module MMF/SMF 1310NM DOM en
Cisco GLC-LH-SM-20 Compatibile 1000BASE-LX/LH SFP 1310nm 20km DOM Duplex LC SMF Modulo Ottico Transceiver - FS.com Italia
ipolex Gigabit Single Mode SFP Transceiver for Cisco GLC-LH-SMD, 1000Base-LX /LH Mini GBIC, 1.25G SFP LC Fiber Module, 1310nm SMF, up to 20km, for Cisco, Meraki, Ubiquiti UF-SM-1G and More, 2-Pack : Amazon.fr: