What is the Fortinet FEX-511F?
The Fortinet FEX-511F is a SFP optical transceiver module, listed by the manufacturer as "FORTIEXTENDER - 1 x SFP, 1 x GE RJ45 WAN, 4 x GE RJ45 LAN (PoE PD on Port 4), 1 x Console, 1 x USB 2.0, 12V/2A power input, PoE-powered deployment.". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.