Fortinet FN-TRAN-LX Fiber Optic SFP Transceiver

The Fortinet FN-TRAN-LX is a 1000BASE-LX/LH SFP transceiver that provides Gigabit Ethernet over single‑mode fiber up to 10 km. It uses a 1310 nm wavelength with an LC duplex connector and supports IEEE 802.3z 1000BASE-LX, delivering 1 Gbps (1.25 Gbps nominal) in a hot‑swappable SFP module that typically draws under 1 W. Designed for Fortinet gear and Finisar-compatible optics, this transceiver is commonly installed in switches, firewalls, routers, and enterprise fiber backbones to enable reliable long‑distance connectivity. Digital Optical Monitoring is supported on model‑dependent variants, and the device conforms to MSA and Class 1 laser safety standards; common replacements include Fortinet FN-TRAN-LX-AO, Cisco GLC-LH-SMD, and Finisar FTLF1318P3BTL.