Manufacturer's Code SB-5645CT


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Windows XP Software Windows 7-10 Software RS232 Codes Instructions


Connects four HDMI AV devices independently and switches each to four HDMI equipped displays using the latest HDBaseT technology. HDBaseT allows the A 3526 to send full uncompressed audio and video over a single Cat5e/6 UTP cable to the A 3528 receiver located in another room up to 100m away. Each receiver unit is fitted with RS-232 and infra-red (IR) for controlling source equipment remotely.
Each matrix switcher is fitted with RS-232 control port and IR extender port for easy remote source/monitor selection. RS-232 connections are also provided for each individual zone. Preset configurations can be stored in memory and recalled at a button press. Supports resolutions up to 1080p. 19


  • HDCP compliant
  • Supports uncompressed HDMI signal
  • Supports 340MHz /6.75Gbps
  • Supports 1080p @ 60Hz
  • Supports 3D 1.4a formats
  • Supports LPCM, DTS digital, Dolby Digital Plus, DTS-HD, Dolby True HD
  • Seven EDID modes
  • Bi-directional infra-red signal pass through
  • RS-232 control inputs for each zone
  • Preset configuration memory
  • 100m Cat5e/6 balun range

Information & Downloads


  • HDMI Support: HD 1080P-@60Hz, H36-bit Deep color, 3D of HDMI V1.4a formats
  • HDCP / CEC Support: HDCP 2.0 Compliant, CEC Compliant.
  • Video Bandwidth: Double Data Rates: 340Mhz, Total 6.75Gbps bandwidth.
  • Digital Video Support: HD:480i/ 480p/ 720p/ 1080i/ 1080p up to 36bit deep color
  • Inputs:
  • 4x HDMI Sources
  • 1x IR Ext. in ( IR To Switcher)
  • 4x IRs (To 4x Rooms - Via HDBaseT)
  • 1x ALL IR in (IR to Room - Via HDBaseT)
  • 1x RS-232 (Command Switcher)
  • 4x RS-232 (To 8x Rooms - Via HDBaseT)
  • Outputs:
  • 4x HDMI Destinations
  • 4x CAT5e/6/7 (Via HDBaseT)
  • 1x ALL IR out (IR from Room - via HDBaseT)
  • 4x IRs (From 4x Rooms - Via HDBaseT)
  • 4x RS-232 ( From 8x Rooms - Via HDBaseT)
  • Digital Audio Support:
  • Multi Audio Formats 5.1 / 7.1, MAT(MLP)
  • Dolby Digital,
  • Dolby TrueHD,
  • Dolby Digital Plus,
  • DTS, DTS-ES 6CH,
  • DTS-HD, DTS-HD-HRA, DTS-HD Master,
  • (PCM-2CH)
  • Controls:
  • IR Remote Controller (remote switcher)
  • 4x IR Room Remote Controller
  • IR External port x 1 (OD 3.5mm Ear phone Jack)
  • Select & Function buttons on front panel
  • RS 232 series interface
  • Source Status: Automatically Scan Sources Inputs via LED show out
  • Function Control Key: ALL / OFF / RECALL / ENTER / MEMORY / LOCK / EDID
  • Infrared Frequency: 38kHz
  • IR External Distance: 300 meters maximum
  • CAT5e/6 Extender Distance: 100 meters maximum
  • HDMI I/O Connector: HDMI Type A - SMD 19pin Female Type
  • Operating Temperature: 0
    • *Specifications are subject to change without notice.

Warranty & Returns


We offer 12 months warranty on this product from its date of purchase. This is available from Altronics stores, online purchases or Altronics resellers. In accordance with our full warranty terms we will repair, replace or refund if goods you have purchased from us are defective.


Not withstanding our warranty policy, if you are dissatisfied with our goods or service you may return the goods within 14 days of our despatch date. Simply contact us for a return authorisation number and we will refund your purchase in full, less transport costs on receipt of goods. All returned goods must be in as sold condition including all packaging, instructions, invoices etc.