The 3Com NBX Ethernet Power Source 24-Port (3C10222) provides power directly to twenty-four (24) 3Com Ethernet devices, such as 3Com NBX phones and 3Com Wireless access points from a central location, thus eliminating the need for a local power outlet for each endpoint. Compatible with standard patch panel's and Ethernet Hubs/Switches. Includes 19" rack mounting "ears". One splitter (3C10223) is required per 3Com NBX phone for use with EPS.