4 Port RJ-45 Gigabit Ethernet to Multimode ST 850nm Fiber Media Converter | Mini Switch - Built-in Fiber Module 550m (0.34 Miles) to UTP Cat5e Cat6 4 x 10 100 1000 RJ-45 AutoSensing Ports

Even More Efficient Use of Your Fiber - Only 1 Fiber Port Between Converters for 4 x RJ-45 Gigabit Ports Full-Duplex Stable Operation
4 x RJ-45 ports AUTOMATICALLY adapts to 10 Mbit/s, 100 Mbit/s (Fast Ethernet) or 1000 Mbit/s (Gigabit) Speed And Extends Ethernet over Multimode ST 850nm Fiber Pair
Connect Two Same Units Either Point to Point, or Use It as Remote CPE Device, Connect it to any 1000SX 850nm Fiber Port Switch Uplink
PLUG & PLAY - Simply plug in fiber optical port and UTP RJ-45 ports, and it will work immediately
Supports Jumbo Frames, MPLS packed size & Offers Increased Performance and Ethernet Packet Handling for TCP/IP & Various Ethernet Applications for any standard devices such as IP cameras, Ethernet Routers, PCs, Media Servers etc;