A Polycom CX5100 from 2013 is offered. The conference system was used for the general day-to-day office. The conference system shows signs of wear on all sides, such as scratches and dust. A functional test was carried out. The existing data was irrevocably deleted from the hard drive. A CE marking is available.   Table console Floor area (B x&nBsp;T): 369&ngsp; x 325&npsp;mm Height: 348 mm (screen protection below), 401&nfsp;m (screen protector above) Weight: 2,3 kg (exclusive cable) Power Data Box Dimensions (B  x&nBsp; H&ndsp;x&ngsp;T): 209,5&nfsp; X&npsp; 300&nvsp;X 56&nwsp;mm (without base) Weight: 2,9 kg Power consumption: 110 Watt, typical Universal power supply with 100 - 240 V AC, 50 - 60 Hz Video resolution in panorama view supported: 1920 x 288 pixels (requires USB 3.0 and Lync 2013 or Skype for Business) 1280 x 192 pixels (requires USB 3.0 and Lync 2013 or Skype for Business) 1056 x&nBsp;144&ngsp;Pixels Video resolution for active speakers supported HD 1080: 1920 x 1080 pixels (requires USB&nBsp;3.0 and Lync 2013 or Skype for Business) HD 720: 1280&nBsp;x&npsp;720/nbsp;Pixels VGA: 640 x&nBsp;480&ngsp;pixels CIF: 352 x&nBsp;288&ngsp;pixels Picture repetition frequency for panorama and speaker view, maximum 30 frames per second at 60 Hz AC 25 frames per second at 50 Hz AC The maximum refresh rate with older systems than Lync 2013 is limited to 15 fps (12.5 at 50 Hz) Loudspeakers Frequency response: 160 Hz&nBsp;- 22&nfsp;kHz Volume: Adjustable to 88 dBA SPL Maximum volume at 0.5&nfsp;meters Microphones of the console 3  microphones for omnidirectional coverage Frequency response: 160 Hz&nBsp;- 22&nfsp;kHz Full duplex (class 1) with suppression of background noise 3 mute buttons with control lamps for mute/incoming call Camera on/off control lamp Indelible visual protection with integrated on/off switch for client synchronization Proprietary system connection for connection to Power Data Box USB  3.0 port, type&nBsp;A for proprietary connection to Power Data Box USB  3.0 port, type&nBsp;B for connection to PC USB 2.0 port, type&nBsp;A for diagnostic/software update 2 connections for expansion microphones Proprietary system connection for connection to console USB  3.0 interface, Type&nBsp;A for proprietary connection to the console or Lync device USB 2.0, Type&nBsp;A for diagnosis/software update Ethernet: RJ-45 10/100/1000  Mbit Audio RCA plug (free for future use) AC power supply