Product Name : 4 Ports 4K Multi Format Video Switch with HDMI, DisplayPort, VGA, IR, Serial
Product No : VKSMC-421
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Product Description
  • Select 1 Video signal (Audio embedded) from 4 different sources
  • Support resolutions up to 4K 30Hz
  • The auto-sensing function enables the system to automatically select the latest video source
  • Priority function which allows a specific type of video input to be selected by the system
  • Input source sequence selectable
  • HDCP compliant, 3D-video and Blu-ray ready
  • 4K 60 420
  • 4K 30
  • Bidirectional IR Extension
  • RS 232 Control
  • IR Control
  • Multi-Format
  • HDCP 1.4

VKSMC-421, Multi Format Video Switch, allows users to switch between 4 video sources (VGA, HDMIx2, DP) and then delivers the selected video stream to HDMI output. The “Auto-switching / input auto detecting” function always routes the last connecting stream (as first priority) to the output. Audio embedder function embeds audio from a 3.5mm source to an HDMI signal. EDID Auto learning ensures that every video source is displayed at the optimal resolution and format without any compatibility issue.
Multi Format Video Switch-IO

VKSMC-421 provides 3 extra modes for input source selection including Manual mode, Auto mode, and Priority mode. The 4 input sources selection can be carry out thru the slide switch on the rear panel:

  • Switch mode: the input sources can be selected thru on-panel buttons, RS-232 serial or IR remote control.
  • Auto mode: the last inserted source is automatically selected.
  • Priority mode: Input source selected based on the priority level.

VKSMC-421 supports various ways of control that can be done thru front-panel buttons, RS-232 serial/ GUI or IR remote control. The RS-232 serial control, built-in serial interface, with Graphical User Interface (GUI) function provides users easy and friendly operation. There’s also an IR sensor window at the front panel designed with great aesthetic and efficiency to quickly and accurately control this unit. Furthermore, the distance between the emitter head and the IR port on the unit may be extended to provide users a flexible and easy way in IR control system installation (maximum 3 meters IR extension cable can be purchased separately)

Rextron Multi Format Video Switch VKSMC/ VKSCM series provides AV connectivity for most of the communication connection types the computer hookups needed, which includes HDMI, DP (option), VGA, Audio, and IR. Housed in a compact form factor, the multi-format AV interfaces support intelligent AV switching and the video extension functions, allows laptops to be easily connected to the system making Rextron Multi Format Video Switch the perfect addition to boardroom table.

  • Select 1 video signal (Audio embedded) from 4 different sources
  • Support Multu-Format video input signals of VGA, HDMI, and DisplayPort
  • Support HDMI resolution up to 4K UHD (3840 x 2160)
  • Provide 4 ways to control the unit via
    1. Front panel push button
    2. IR remote control
    3. Serial control/ GUI
    4. Auto-sensing mode
  • EQ (Sharpness) adjustment for optimal signal clarity
  • Screen Shift Mode for VGA signal horizontal position adjustment
  • HDCP compliant and Blu-ray ready
  • Enable/ Disable output port video signal
  • LEDs show real-time display status
  • Support both internal (front) and external (rear) IR Sensor
  • Energy saving function available
EGO Function:Versatile Port Selection Functions of Priority, Auto-sensing ,and Switch Mode
  • Priority: System will automatically select Source-1 to display (Source-1 > Source-2 > ……)
  • Auto-sensing: System will automatically select the latest video source to display
  • User-friendly port switching via button pressing
Exclusive GUI Operation Functions
  • Graphically show connection status. Most commonly used menu items are duplicated as icons on the top
  • Can name and use your own images for every source and display icon

Model Name


  Video Resolution (Max.)

  4K@30Hz (4:4:4) 

  Video Input

  HDMI x 2
  DP x 1
  VGA + Audio x 1

  Video Output

  HDMI x 1

  HDCP Compliance

  HDCP supports

  Push Button

  Power Button x 1
  Function x 1
  Input Port Selection x 4

  LED Indicator

   Status LED x 1 (Multi-Color)
   Source x 4

  Slide Switch

   EGO Slide Switch / Priority / Auto / Switch

  Serial Control

   RJ-11 Port x 1 ( RS-232 )

  IR Remote Control

   IR Sensor x 1 ( Front )
   3.5 mm Jack x 1 ( Rear )

  Power Supply




  Dimension H x W x D (mm)

   40 x 160 x 100

  Weight (g)



Multi Format Video Switch -1


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