
SW21AB-V2 USER MANUAL
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EDID (Extended Display Identification Data) is a data structure that is used between a display and a source. This data
is used by the source to find out what audio and video resolutions are supported by the display, from this information
the source will discover what the best audio and video resolutions need to be outputted.
While the objective of EDID is to make connecting a digital display to a source a simple plug and play procedure,
issues do arise when multiple displays or video switching is introduced because of the increased number of variables.
By pre-determining the video resolution and audio format of the sources and display device you can reduce the time
needed for EDID hand shaking thus making switching quicker and more reliable.
Configuration of extender EDID settings can be achieved using the product dip-switches on the SW21AB-V2. EDID dip-
switch settings are shown below.
Note: You must power cycle the product aer making EDID changes. For some sources it may be necessary to power
cycle the source aer EDID changes have been made for the source to update its video & audio output settings.
EDID Control
DIP ON /OFF SWITCHING POSITIONS
EDID TYPE
3 2 1 0
OFF OFF OFF OFF 1080p@60Hz, Audio 2ch PCM
OFF OFF OFF ON 1080p@60Hz, Audio 5.1ch PCM/DTS/Dolby
OFF OFF ON OFF 1080p@60Hz, Audio 7.1ch PCM/DTS/Dolby/HD
OFF OFF ON ON 4K@60Hz 4:2:0 / 4K@30Hz 4:4:4, Audio 2ch PCM
OFF ON OFF OFF 4K@60Hz 4:2:0 / 4K@30Hz 4:4:4, Audio 5.1ch PCM/DTS/Dolby
OFF ON OFF ON 4K@60Hz 4:2:0 / 4K@30Hz 4:4:4, Audio 7.1ch PCM/DTS/Dolby/HD
OFF ON ON OFF 4K@60Hz 4:4:4, Audio 2ch PCM
OFF ON ON ON 4K@60Hz 4:4:4, Audio 5.1ch PCM/DTS/Dolby
ON OFF OFF OFF 4K@60Hz 4:4:4, Audio 7.1ch PCM/DTS/Dolby/HD
ON OFF OFF ON 4K@60Hz 4:4:4, Audio 2ch PCM
ON OFF ON ON 4K@60Hz 4:4:4, Audio 5.1ch PCM/DTS/Dolby
ON OFF ON ON 4K@60Hz 4:4:4, Audio 7.1ch PCM/DTS/Dolby/HD
ON ON OFF OFF DVI 1920x1080@60Hz, Audio None
ON ON OFF ON DVI 1920x1200@60Hz, Audio None
ON ON ON OFF API Control - Soware Control
ON ON ON ON EDID pass-through
Global EDID Settings
Dip-switch position ‘0’ = O
Dip-switch position ‘1’ = On