The TL-SF1048 Ethernet Switch provides 48 10/100M Auto-Negotiation RJ45 ports. All RJ45 ports support the Auto-MDI/MDIX function. Every port can work as uplink port or common port. TL-SF1048 Ethernet Switch provides a cost-effective, high performance, non-disruptive, smooth evolution into 100M solution. The switch delivers superior performance with improving workgroup, network bandwidth, increasing network node, providing greater flexibility, installation convenience. The auto features of this gigabit switch make installation plug & play & hassle-free. No configuring is required. Auto MDI/MDI-X crossover on all ports eliminate the need for crossover cables or uplink ports. Auto-negotiation on each port senses the link speed of a network device (either 10, 100) & intelligently adjusts for compatibility & optimal performance. Compact size shell make it ideal for desktops with limited space while it is also Rackmountable, convenient & safe. Dynamic LED lights provide real-time work status display & basic fault diagnosis. 48 10/100 Mbps RJ45 ports Innovative energy-efficient technology saves power up to 50% Supports MAC address self-learning & auto MDI/MDIX Standard 19-inch rack-mountable steel case Please note: networking components such as switches, routers, UPS & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com.