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EXTRON, Switchers

DXP 42

Control
IP, RS-232 (default TCP)
Encoding
ASCII
IP
TCP port 23
RS-232
9600 baud, 8N1
Line ending
CR
Roles
Switcher, DSP

Commands

23 commands
POWER2
CEC POWER ON \x1BO%o*"PwrOn"DCEC,DcecO%o*%E0%04*1
Ending: cr
CEC POWER OFF \x1BO%o*"PwrOff"DCEC,DcecO%o*%E0%36*1
Ending: cr
VOLUME3
VOLUME UP %o+V
Reply: Out%o Vol%vEnding: cr
VOLUME DOWN %o-V
Reply: Out%o Vol%vEnding: cr
VOLUME SET %o*%vV
Reply: Out%o Vol%vEnding: cr
MUTE4
MUTE ON %o*1Z
Reply: AMT%o*1Ending: cr
MUTE OFF %o*0Z
Reply: AMT%o*0Ending: cr
VIDEO MUTE ON %o*1B
Reply: VMT%o*1Ending: cr
VIDEO MUTE OFF %o*0B
Reply: VMT%o*0Ending: cr
INPUT4
INPUT 1 1
Ending: cr
INPUT 2 2
Ending: cr
INPUT 3 3
Ending: cr
INPUT 4 4
Ending: cr
ROUTING10
OUTPUT 1 1
Ending: cr
OUTPUT 2 2
Ending: cr
SEND IN TO OUT *
Ending: cr
OUT1 IN1 1*1!
Reply: Out1 In1 AllEnding: cr
OUT1 IN2 2*1!
Reply: Out1 In2 AllEnding: cr
OUT1 IN3 3*1!
Reply: Out1 In3 AllEnding: cr
OUT1 IN4 4*1!
Reply: Out1 In4 AllEnding: cr
AV SWITCH %n*%o!
Reply: Out%o In%n AllEnding: cr
AUDIO SWITCH %n*%o%
Reply: Out%o In%n AudEnding: cr
VIDEO SWITCH %n*%o$
Reply: Out%o In%n VidEnding: cr

Cheat sheet

driver.cheatSheet()

What it is

The DXP 42 HD 4K PLUS is a four input, two output HDMI matrix switcher that routes HDMI signals from multiple sources to HDMI-equipped display devices. It supports computer and video resolutions up to 4K @ 60 Hz.

Specs

Resolution: up to 4K @ 60 Hz

Frame Rate

Signal Type: HDMI 1.n and 2.0b, HDR Deep Color up to 12-bit, 3D, HD lossless audio formats

Inputs: 4

Outputs: 2

Setup

First Use: Connect HDMI sources to input ports, HDMI displays/audio devices to output ports, control devices (RS-232, USB Config, LAN), and the 12V power supply. Use PCS software to select EDID files and configure settings.

Support

Factory Reset: Mode 1 (Firmware Reset): Hold Reset during power-up. Restores firmware for one cycle, keeps user settings. Mode 4 (IP Reset): Hold Reset (approx. 6 sec) while running, then press momentarily. Resets IP functions. Mode 5 (Absolute Reset): Hold Reset (approx. 9 sec) while running, then press momentarily. Restores all factory defaults, including removing passwords.

About this driver

driver.source()

Confirm each command on your device before you rely on it. Provided as is, with no warranty. To correct something or ask for it to come down, write to info@ctrlbot.io. Licensed CC BY 4.0: credit CTRLbot and link back when you share it. Product page. Manufacturer site.

Revision
1
Updated
2026-11-05
Catalog date
2026-11-12
License
CC-BY-4.0