This DC-input power supply is designed to power the Cisco IEM-3000-4PC and IEM-3000-4PC-4TC Power over Ethernet (PoE) expansion modules with the following caveats.- The 65 W DC-input power supply can support only one PoE expansion module.- Each power supply is capable of supporting a maximum of four PoE ports or two PoE+ ports on the PoE expansion module.