Our Contractor CMX42AB 4K HDMI matrix features HDMI 2.0 chipsets with HDCP 2.2 support, allowing
distribution of four HDMI sources to two displays. This enables all sources to be viewed seamlessly as
required within a matrix configuration. The unit transmits all HDMI resolutions up to and including 4K 60Hz
4:4:4/HDR. The 4-Way matrix also includes audio breakout and EDID management.
Key Features:
• Features 4x HDMI inputs which can be independently routed up to two HDMI outputs
• Supports 4K UHD video (up to 4K @60Hz 4:4:4/HDR)
• Supports all industry standard video resolutions including VGA-WUXGA and 480i-4K
• Supports all known HDMI audio formats including Dolby TrueHD, Dolby Atmos, Dolby Digital Plus and
DTS-HD Master Audio transmission
• HDMI audio breakout to associated output analogue L/R audio and coaxial digital outputs concurrently
• IR routing
• Supplied with Blustream 5V IR receivers and emitters
• Control via front panel, IR and RS-232
• 3rd Party drivers available for all major home control brands
HDMI output selection buttons 1-2. Press to scroll through source inputs per HDMI output
3
Rear Panel:
4
IR output - 3.5mm mono jack provides routed IR emitter
output for discrete control of sources
IR input - 3.5mm stereo jack provides zone specific
5
routed IR receiver input
6
Coaxial digital audio output - RCA (SPDIF)
7
Analog L/R audio output - 3.5mm stereo audio jack,
Supports 2 channel PCM only
8
Power on/o switch
4
67
5
9
EDID DIP switch - Used to manage the video and audio
resolution output by the connected source device.
10
HDMI inputs - connect to HDMI source devices
11
HDMI outputs - connect to HDMI display devices
12
RS-232 Serial port - For control of switcher by third party
control devices
13
IR control - IR input for switcher control. Connect 5V Blustream IR receiver
14
Power port - Use included 12V/2A DC power adaptor
3
11
8
141391012
Adjusting The EDID Settings
The EDID configuration can be altered using the
dip-switches located on the rear panel of the
matrix.
Please see adjacent table for EDID settings.
Note: You must power-cycle the HDMI switcher
aer changes have been made in order for the EDID
settings to update.
The Matrix can be controlled via 9-pin serial RS-232 cable.
BLUSTREAM RS-232 REMOTE CONTROL
PIN Assignment PIN Assignment
1 NC 1 NC
2 Tx 2 Rx
3 Rx 3 Tx
4 NC 4 NC
5 GND 5 GND
6 NC 6 NC
7 NC 7 NC
8 NC 8 NC
9 NC 9 NC
CONSOLE
Baud Rate: 57600 bps
Data Bit: 8-bit
Parity: None
Stop Bit: 1-bit
Flow Control: None
RS-232 COMMANDDESCRIPTION
?Print Help Information
HELP
STATUSPrint System Status And Port Status
PONPower On, System Run On Normal Sta
POFFPower O, System Run On Power Save State
IRON/OFFSet System IR Control On Or O
KEYON/OFFSet System KEY Control On Or O
BEEPON/OFFSet Onboard Beep On Or O
LEDON/OFF
RESETReset System To Default Setting (Type “Yes” To Confirm, “No” To Discard)
OUTxxFRON/OFF
OUTxxFRyy
EDIDxxCPyy
EDIDxxDFzz
CMX42AB USER MANUAL
Print Help Information
Set Front Panel LED Always On
or Auto Turn O in Power On State
Set OUTPUT:xx On or O
Set OUTPUT:xx From INPUT:yy
xx=00: Select All OUTPUT Port
xx=[01...02]: Select One OUTPUT Port
yy=[01...04]: Select One INPUT Port
The Matrix includes audio breakout from the selected HDMI input to associated analogue L/R audio and coaxial digital outputs.
Extracted audio will be concurrent with the corresponding HDMI video output. Note: Source input must be PCM 2ch audio for
analogue audio outputs to work. The Matrix does not down-mix multichannel audio signals.
1
Coaxial digital output - Output 1
2
Analogue fixed line level output 3.5mm stereo jack - Output 1
A Selects the source you wish to view in zone OUTPUT 1
(Numbers 1 - 4 correspond to the source inputs 1 - 4)
B Selects the source you wish to view in zone OUTPUT 2
(Numbers 1 - 4 correspond to the source inputs 1 - 4)
CMX42AB USER MANUAL
A
B
EXAMPLE
To switch source 2 to zone 1 you would press 2 button in the Output 1 section (A).
04
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Page 5
CMX42AB USER MANUAL
Infrared (IR) Distribution
The Blustream range of matrix products include multiple options for control and routing of IR.
IMPORTANT: Blustream Infrared products are all 5v and NOT compatible with alternative manufacturers Infrared
solutions. When using third party 12v IR control solutions please use supplied Blustream IRCAB cable for IR conversion.
Each Blustream Matrix and HDBaseT receiver is supplied with all necessary IR hardware required and includes:
IR Emitter - IR1 & IR2 (IR2 sold separately)
Blustream 5V IR Emitter designed for discrete IR control of
hardware
IR Receiver - IRR
Blustream 5V IR receiver to receive IR signal and distribute
through Blustream products
Infrared 3.5mm Pin-Out
IR Emitter - Mono 3.5mm
Signal
Ground
IR Receiver - Stereo 3.5mm
Signal
5V
Ground
IR Control Cable - IRCAB
Blustream IR Control cable 3.5mm Mono to 3.5mm Stereo for
linking third party control solutions to Blustream products.
Video Input Connectors: 4x HDMI Type A, 19-pin, female
Video Output Connectors: 2x HDMI Type A, 19-pin, female
Audio Output Connectors:2x RCA (SPDIF), 2x 3.5mm stereo jack (L/R)
RS-232 Serial Port:1x DB-9, female
IR Input Ports:3x 3.5mm stereo jack
IR Output Ports:4x 3.5mm mono jack
EDID:4-Pin DIP switch
Casing Dimensions (W x D x H):255mm x 104mm x 40mm
Dimensions Inc. Connections (W x D x H):255mm x 115mm x 47mm
Shipping Weight:1.5kg
Operating Temperature: 32°F to 104°F (0°C to 40°C)
Storage Temperature : -4°F to 140°F (-20°C to 60°C)
Power Supply : 12V/2A DC
CMX42AB USER MANUAL
Package Contents:
• 1x CX42AB
• 1x 12V/2A DC power supply
• 1x Remote control
• 4x IR emitter
• 3x IR receiver
• 1x Mounting kit
• 1x Quick reference guide
Maintenance:
Clean this unit with a so, dry cloth. Never use alcohol, paint thinner or benzene to clean this unit.
Components inside this unit are not user serviceable. Do not remove the protective cover from the unit. Removing any panel from
this product will invalidate the manufacturers warranty.