Portable Local Power for Network Jacks
The 3Com Network Jack AC Power Supply powers an individual network jack from a local wall outlet. This power supply is required if your LAN does not have Power over Ethernet. Or you can use it to test and configure individual network jacks during setup, prior to powering up the

• Plugs into the network jack at the wall; transforms standard AC power into low-voltage DC
• Enables a network jack to forward power to an 802.3af-compliant device
• Network jacks can also be powered with 3Com Ethernet Power Products (3C10220, 3C10222) for 3Com NBX telephones