4K HDBaseT Input Board with Digital Audio

Featuring eight HDBaseT™ input ports, this board is compatible with the full range of Lightware TPS extenders and HDBaseT™ compliant third party transmitters.


  • HDMI 1.4 compliant video input over HDBaseT with a resolution of up to 4K / UHD (30Hz RGB or YCbCr 4:4:4, 60Hz YCbCr 4:2:0)
  • Pass-through of 4:2:0 3840x2160@60 Hz video input
  • Support for HDMI 1.4 embedded uncompressed LPCM audio or compressed high bitrate audio (LPCM, AC-3, MPEG1 Layer 1, MPEG1 Layer2, MPEG1 Layer 3, MPEG2, AAC, DTS, ATRAC, Dolby Digital+, DTS-HD, Dolby Digital TrueHD, DST, and WMA Pro, Dolby Digital EX, Dolby Digital Surround EX)
  • De-embedding of IEC-60958-1 (only stereo LPCM), and IEC-61937 (only AC-3, Dolby Digital Plus, Dolby Digital EX, Dolby Digital Surround EX, DTS, DTS ES
  • Video test pattern generation
  • Cable length and link quality estimation
  • Frame detector functionality with frame rate, color space, pixel clock rate, and active and total area detection
  • HDCP 1.4 support
  • Deep color support for up to 36 bpp
  • Automatic Ethernet only mode support when an Ethernet only device is connected
  • Extension for up to 170 meters over CAT6a depending on the video clock used

Featuring eight HDBaseT 1.x input ports, the board is compatible with the full range of Lightware TPS extenders and HDBaseT compliant third party transmitters. The HDBaseT technology provides a transparent medium for all video, audio, data and control signals in line with the 25G multilayer architecture and allows for a cost effective extension solution for up to 170 meters.

The A2 add-on has bi-directional and confi gurable S/PDIF connectors. 2-channel LPCM or various IEC-61937 audio formats embedded in the HDMI input or from the Return Audio Layer can be switched to the S/PDIF output. Moreoversuch audio through the S/PDIF input can be embedded into the HDMI signal or can be routed to the Forward Audio Layer.

Supported Media Layers

  • Video layer with embedded audio
  • Forward Audio Layer
  • Return Audio Layer
  • Ethernet layer
  • USB KVM layer
  • Infra layer
  • Consumer Electronics Control layer
  • RS-232 & RS-422 control layer
 HDCP compliancy:  1.4
 HDBaseT compliance:  1.4
 Max Resolution:  4K / UHD (30Hz RGB or YCbCr 4:4:4, 60Hz YCbCr 4:2:0), 1080p@60Hz, 720p/1080i@120Hz
 Supported audio formats:  HDMI audio according to the Audio switching matrix section
 3D signal compatibility:  Frame packing, side-by-side, top-bottom
 Input cable equalization:  Up to 170 meters according to the maximum cable lengths section
 HDBaseT connectors:  8 x RJ45
 Audio connectors:  8 x S/PDIF
CE Language File format Size Date  
25G TPS Board Series CE Declaration English pdf 0.03 MB 2017-09-22 Download
Product brief Language File format Size Date  
Product brief - 25G-8TPS2-A2-IB English pdf 0.17 MB 2017-09-05 Download