Atlona Technologies AT-UHD-CLSO-840
4K/UHD 8×4 HDBaseT and HDMI Matrix Switcher with PoE


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The Atlona AT-UHD-CLSO-840 4K/UHD 8×4 HDBaseT and HDMI Matrix Switcher with PoE is part of the CLSO Series of multi-format switchers and matrix switchers for presentation AV systems. The CLSO Series features built-in HDBaseT extension, plus powerful control and audio system integration features.

The Atlona AT-UHD-CLSO-840 is a 4K/UHD 8×4 matrix switcher for HDMI and HDBaseT with eight inputs, four discrete outputs, flexible audio integration capabilities, and Ethernet-enabled 100 meter HDBaseT extension with PoE remote device powering. It is highly versatile and ideal for presentation environments with content on multiple displays, as well as videoconferencing, presentation capture, and divisible rooms.

The CLSO-840 supports resolutions up to 4K/UHD at 60 Hz with 4:2:0 chroma subsampling. Ethernet pass-through allows HDBaseT Ethernet extension from a control system or network. Audio system integration is streamlined with audio embedding and de-embedding, independent audio matrix switching, dedicated input and output gain controls, and a five-band EQ for each output. The CLSO-840 is configured and managed using Atlona Management System software to simplify installation and enable remote monitoring and support.

Atlona AT-UHD-CLSO-840 Features:

  • Three HDBaseT™ and five HDMI® inputs
  • Four discrete outputs – two HDBaseT and two HDMI
  • 4K/UHD capability @ 60 Hz with 4:2:0 chroma subsampling
  • Audio processing features plus matrix switching for de-embedded audio
  • Control integration features including RS-232 routing to remote devices
  • PoE (Power over Ethernet) source – remotely powers compatible HDBaseT endpoints

Atlona AT-UHD-CLSO-840 Specifications:

  • Resolution:
    • Video: 3840×2160@30/25/24Hz*, 1080p@60/59.9/50/30/29.97/25/24/23.98Hz, 1080i@60/59.94/50Hz, 720p@60/59.94/50Hz, 576p@50Hz, 576i@50Hz, 480p@60/59.96Hz, 480i@60Hz
    • VESA: 2560×1600, 2048×1536, 1920×1200, 1680×1050, 1600×1200, 1440×900, 1400×1050, 1280×1024, 1280×800, 1366×768, 1360×768, 1152×864, 1024×768, 800×600, 640×480
    • Color Space: YUV, RGB
    • Chroma Subsampling: 4:4:4, 4:2:2, 4:2:0
    • Color Depth: 8-bit, 10-bit, 12-bit
  • Audio:
    • Analog Output: PCM 2Ch (de-embedded)
    • HDBaseT Output: PCM 2Ch, LPCM 5.1, LPCM 7.1, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS 5.1, DTS-HD Master Audio
    • Sample Rate: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
    • Bit Rate: 16-bit, 20-bit, 24-bit
  • Distance:
    • CAT5e/6 @ 1080p/4K: up to 330ft (100 m)
    • CAT6a/7 @ 1080p/4K: up to 230ft (70 m)
    • HDMI: up to 50ft (15 m)
  • Signal:
    • Bandwidth: 9 Gbps
    • CEC: Yes
    • HDCP: 1.4 Compliant
  • Temperature:
    • Operating: 32°F to 104°F (0°C to 40°C)
    • Storage: -40°F to 158°F (-40°C to 70°C)
    • Humidity: 10 to 90% non-condensing
  • Power:
    • Consumption: 77W
    • Idle Consumption: 60W
    • Supply: AC100~240V 50/60Hz
  • Dimensions (HxWxD): 3.46" x 17.24" x 12.04" (88 x 438 x 306 mm)
    • with feet: 3.90" x 17.24" x 12.04" (99 x 438 x 306 mm)
    • with rack ears: 3.46" x 19" x 12.04" (88 x 482.60 x 306 mm)
    • Rack Unit: 2U
  • Weight: 10.85 lbs (4.92 kg)
  • Certification:
    • Unit: CE, FCC, RoHS, TUV
    • Power Supply: CE, FCC, Level VI, RoHS, cULus, RCM, CCC

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