The Zy XEL ES3500 series Fast Ethernet layer 2 switches are specifically designed for small & medium-sized businesses to deliver valuable Ethernet services to customers & employees. With Gigabit SFP uplinks & robust access control functions, businesses can easily extend network topologies & fulfill different customer needs. The complete ES3500 series also supports IPv 6 for trouble-free future network expansions. The ES3500-24HP supports the IEEE 802.3at Po E Plus standard to ease the installation of powered devices in challenging spaces such as ceilings or walls. The power supply of up to 30 watts per port allows the ES3500-24HP to power Po E-enabled WLAN APs, Vo IP phones & IP surveillance cameras through CAT-5 cables of less than 100 meters (300 feet) in length. The ES3500-24HP also features the intelligent Po E consumption mode, which automatically detects the amount of power each powered device needs & supplies power accordingly for more efficient use of power resources & better ROI for businesses.