TP-Link Gigabit Ethernet Media Converter, Up to 1000Mbps RJ45 to 1000Mbps SFP Slot Supporting MiniGBIC Modules (MC220L) Complies with IEEE 802.3ab and IEEE 802.3z FX port supports hot-swappable Extends fiber distance up to 0.55km for multi-mode fiber and 10km for single-mode fiber