[SFP to RJ45 1000Base-T Copper SFP] Transmit data seamlessly up to 100 meters between your SFP interface and the copper gigabit port. [Wide Compatibility] Compatible with most fiber switches, media converters, routers or other fiber optic equipments with SFP ports, TL-SM331T provides additional copper cable connections for peace of mind. [Easy for deployment] Plug and Play with no software installation or configuration/technician needed. [Durable Metal Casing] Ensures strength and reliability for a long time, maintaining a stable connection in a wide range of environments. [Hot Pluggable] Plug in or remove your SFP module without needing to shutdown your network. Hot swap-ability ensures your network always stays up.