CNet's CSH-500 is a powerful Five (5) ports Fast Ethernet Switch. Every port is equipped with a built-In Auto-Negotiation function. Simply attach a network device to any port and the port will automatically set to operate at the fastest possible speed. This Switch is designed to provide lots of bandwidth with minimum hassle. They are 100% Plug-&-Play and require no settings configuration. These models fully comply with IEEE 802.3u and IEEE 802.3 standards for Fast Ethernet and Ethernet operation.