Installation and First-Time Operation67eud-0840/2.0 — I7.6 — 08.2007n Connecting the power supplyIf your LAN supports Power-Over-Ethernet (PoE), the phone will be powered via the LAN cordand you will not require a power adapter.If your LAN does not support PoE or if you have installed a switch between the LAN and thephone that does not support PoE, you will need the optional power adapter to power thephone.• Plug the round connector of the power cord on the underside of the phone into the powersocket.• Desktop installation only: To relieve the strain on the cable feed the cable through one of thecable guides on the stand rest.• Connect the power supply to the mains.n Logging your phone onYour system administrator has to prepare the system before you can log on your phone.Note:Only use the optional original plug-in power adapter.