Command and Response Table for SIS Commands
Command
Input Selection
Select input (unsolicited)
Query input
DTP/HDBaseT Switch
Query DTP/HDBaseT toggle
switch status
Auto Switch Mode (unsolicited)
Disable
Priority to highest active
input
Priority to lowest active
input
Query setting
Video Mute
Enable video mute
Disable video mute
Query video mute status
Mute Embedded (HDMI) Audio Output
Embedded audio mute
Query embedded audio
mute status
NOTES:
X! = Input selection
X@ = Status
X# = Auto switch mode
X2) = DTP/HDBaseT switch Position
ASCII Command
(host to unit)
X@!
!
EO1HDBT}
E0AUSW}
E1AUSW}
E2AUSW}
EAUSW}
1B
0B
B
EX@AFMT}
EAFMT}
Response
Additional Description
(unit to host)
InX!All]
X!
(disables output)
X!
InX!All]
Verbose mode 2/3
X2)]
Verbose mode 2/3
HdbtO1*X2)]
Disables auto switch mode
Ausw0]
Ausw1]
Ausw2]
X#]
Verbose mode 2/3
AuswX#]
Vmt1]
Mutes video and displays black screen
Vmt0]
X@]
Mute (default) or unmute HDMI audio
AfmtX@]
X@]
AfmtX@]
Verbose mode 2/3
0 through 3 (0 = deselect)
0 = disabled/off/undetected, (default)
1 = enabled/on/detected
0 = disabled (default)
1 = enabled (highest active input has priority)
2 = enabled (lowest active input has priority)
0 = DTP mode
(default)
1 = HDBaseT mode
Extron DTP T DSW 4K Series • SIS Commands
= 0-3, 0! = deselect input
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