- 10/100Mbps, full/half-duplex, auto-negotiation, auto-MDI/MDIX - 9K jumbo frames to increase data transfer rates - Supports 8K MAC address auto-learning and auto-aging - 19-inch metal housing - Quick and easy installation Fast connections and fiber distances FGU-5021 is a 48-port Fast Ethernet Switch (10/100 Mbps) that gives you a high-performance, low-cost, easy-to-use, solution to expand your network reach. With 2 Gigabit ports and 2 SFP Port , you re able to connect to other networks for flexible and powerful deployment options. Plug and Play, Flexible and Easy GSW-5150 is plug-and-play so no configuration is required. Providing auto MDI/MDI-X cable detection on all ports eliminates the need for crossover cables or Uplink ports. Each port can be used as general ports or Uplink ports, and any port can be simply plugged into a server, a hub, a router or a switch, using a straight cable or crossover cable. Diagnostic LEDs which display link status and activity, allowing you to quickly detect and correct problems on the network.