Getting Started236. Connect the DC48V port on the VC800 codec to an AC power outlet with the suppliedpower adapter and power cord.NoteNoteConnecting the Audio DeviceIf your video conferencing room is large, you can add extra expansion microphones to theCP960 conference phone to expand the audio range.For more information on connecting CPW90 to the CP960 conference phone, refer toRegistering CPW90 to the CP960 Conference Phone on page 173.If you do not need presentation, you can locate the VC Hub/Phone port on the VC800 codec,and connect it to the Internet port on the CP960 conference phone using a 7.5m Ethernet cabledirectly.The VC800 video conferencing system should be used with Yealink original power adapter(48V/0.7A) only. The use of the third-party power adapter may cause the damage to the system.The cable and wire should be replaced at once if its skin is broken.