The electrical port module uses the RJ45 interface. To connect a fiber optic cable to SFP optical module, first ensure the SFP is fully inserted into the network port until it "clicks", then remove the dust caps from both the SFP and the LC fiber optic connector. Clean the fiber end face to avoid dust contamination, align the LC connector with the. Small Form-factor Pluggable modules (SFP module) are the workhorses of modern network connectivity, enabling flexible fiber optic or copper links between switches, routers, firewalls, and servers. Its primary function is to achieve optoelectronic conversion by converting electrical signals into optical signals and vice versa. The USG supports both 1 Gbit/s, 10 Gbit/s, and 40 Gbit/s optical modules. This article will offer an in-depth configuration guide on how to use SFP+ ports. Please contact the Fiber ISP for compatible models! ***It is strongly.