Convert a compatible SFP host port into a copper Ethernet interface with the TP-Link Omada SM331T. The module presents one RJ45 port for 1000BASE-T connectivity, allowing network equipment with an available SFP cage to connect to standard twisted-pair Ethernet cabling. It supports a maximum data rate of 1.25 Gb/s and link distances up to 100 m. The SFP form factor installs directly into a compatible host port and supports hot-plug handling, so a copper connection can be added without powering down supported equipment. Its plug-and-play operation avoids separate software installation for the module itself. IEEE 802.3 Ethernet support aligns it with Gigabit copper network links used across access-layer switching and network-connected devices. Unlike optical SFP modules that require fiber jumpers and matching optical interfaces, this module uses an integrated RJ45 connector for 1000BASE-T copper links. That makes it suited to runs already terminated in Cat 5e cabling, including uplinks to switches, access points, VoIP endpoints, cameras, and other Ethernet devices. The metal casing aids heat dissipation, while the 0 to 70 °C operating range supports installation in network hardware operating within that environmental range.