The 3Com SuperStack 3 Baseline 10/100 Switch 12-Port is an unmanaged, nonblocking switch designed for small to midsize offices. This rack mountable, business-class switch can be installed in a wiring closet or as a free-standing unit. The switch comes preconfigured for fast, easy installation using economical copper wiring. Auto-negotiation adjusts the port speed to match the communicating device. Any of the switchs 12 ports can deliver 10BASE-T Ethernet for users with average bandwidth requirements, or 100BASE-TX Fast Ethernet for power users or those with newer network connections.