Gigabit RJ45 to SFP Conversion – 1× 10/100/1000Mbps RJ45 port with Auto-MDI/MDIX and 1× Gigabit SFP port for seamless copper-to-fiber network expansion IEEE Standards Compliant – Fully complies with IEEE 802.3i/u/ab/z standards, supporting stable and reliable Gigabit Ethernet transmission Flexible & Hot-Swappable SFP Support – FX port supports hot-swappable SFP modules; transmission distance and wavelength depend on the inserted SFP (multi-mode or single-mode) Auto-Negotiation & Plug and Play – Automatically negotiates half/full-duplex modes with no configuration required for easy deployment Compact, Energy-Efficient Design – External power adapter included, max power consumption only 1.7W; compact metal-free design ideal for desktops or cabinets, up to 100 m over Cat5/5e cable