What it does The netis ST3116P Fast Ethernet Rackmount Switch provides 16 10/100Mbps Auto-Negotiation RJ45 ports .It is ideal for the small and medium office use. All ports support Auto MDI/MDIX function, eliminating the need for crossover cables or uplink ports. The 16 Port Fast Ethernet Rackmount Switch provides you with high-performance, seamless and standard upgrade to improve your old network to a 100Mbps network. - 16 10/100Mbps RJ45 ports - Supports MAC address self-learning and auto MDI/MDIX - Green Ethernet technology link down power saving and link on various cable length power saving - Supports Jumbo frame - Supports 8K MAC address table - 3.2 Gbps Switching Capacity - Fanless design to make sure it works quietly without disturbing the department or office use - Plug and play, no configuration required