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Installation and Operation

1.  Connect HDMI sources to INPUT ports 1-4 using good quality HDMI cables.
2.  Connect an HDMI display device to the HDMI OUT ports of the switcher.
3.  Turn the power on using the included remote handset, ensuring LED power indicators are fully lit on the front of the switcher. If not, check to make sure the 

HDMI cables are firmly connected.

4.  To operate the switcher, press the SWITCH buttons on the front of the unit to scroll numerically through connected sources.
5.  Alternatively, use the remote control handset to scroll forwards and backwards through the inputs or push buttons 1-4 corresponding to the connected 

sources.  Furthermore, a RS-232 connection from a control system can be used to control the device.                    

Copyright © 2020 WyreStorm Technologies | 

wyrestorm.com

EXP-MX-0404-H2 Quickstart Guide | 200422

UK: +44 (0) 1793 230 343 | ROW: 844.280.WYRE (9973)  

[email protected]

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RS-232 Wiring

The EXP-MX-0402-H2 uses a 3-pin RS-232 with no hardware flow control.  
Most control systems and computers are DTE where pin 2 is RX, this can vary 
from device to device. Refer to the documentation for the connected device for 
pin functionally to ensure that the correct connections can be made.

Refer to  

RS-232 Mode Settings

 for details on setting RS-232 modes.

3rd Party Device

Pin 1 TX (Transmit) ---> To ---> RX (Receive)
Pin 2 RX (Receive)

---> To ---> TX (Transmit)

Pin 3 G (Ground)

---> To ---> G (Ground)

WyreStorm Connector

Setup and Configuration

Troubleshooting 

No or Poor Quality Picture (snow or noisy image)

• 

Verify that power is being supplied to all devices in the system and that they are powered on.

• 

Verify that all HDMI connections are not loose and are functioning properly.

• 

If transmitting 3D or 4K, verify that the HDMI cables used are 3D or 4K rated.

  

Troubleshooting Tips:

• 

WyreStorm recommends using a cable tester or connecting the cable to other devices to verify functionality.

Wiring and Connections

WyreStorm recommends that all wiring for the installation is run and terminated prior to making connections to the switcher.  Read through this section in it’s 
entirety before running or terminating the wires to ensure proper operation and to avoid damaging equipment.

 

 IMPORTANT! Wiring Guidelines

 

• 

The use of patch panels, wall plates, cable extenders, kinks in cables, and 
electrical or environmental interference will have an adverse effect on 
signal transmission which may limit performance.  Steps should be taken 
to minimize or remove these factors completely during installation for best 
results.

• 

WyreStorm recommends using pre-terminated HDMI cables due to the 
complexity of these connector types. Using pre-terminated cables will 

ensure that these connections are accurate and will not interfere with the 

performance of the product.

Audio Connections

Tip:
Ring:

Left Channel
Right Channel

Sleeve: Ground (GND)

Note:

 WyreStorm reserves the right to change product specification, appearance or dimensions of this product at any time without prior notice.

Specifications

Copyright © 2020 WyreStorm Technologies | 

wyrestorm.com

EXP-MX-0404-H2 Quickstart Guide | 200422

UK: +44 (0) 1793 230 343 | ROW: 844.280.WYRE (9973)  

[email protected]

3 of 3

Audio and Video

Inputs

4x HDMI In: 19-pin type A

Outputs

4x HDMI Out: 19-pin type A | 1x IR Extension | 4x S/PDIF Coaxial

Audio Formats

HDMI: 2ch PCM | Multichannel: LPCM and up to DTS-X and Dolby Atmos

Coaxial: 5.1ch surround sound

Video Resolutions (Max)

Resolution

HDMI

1920x1080p @60Hz 12bit 

1920x1080p @60Hz 16bit 

3840x2160p @24Hz 10bit 4:2:0 HDR

3840x2160p @30Hz 8bit 4:4:4

3840x2160p @60Hz 10bit 4:2:0 HDR

4096x2160p @60Hz 8bit 4:2:0

4096x2160p @60Hz 8bit 4:4:4

15m/49ft

7m/23ft

5m/16ft

7m/23ft

5m/16ft

7m/23ft

5m/16ft

Supported Standards

DCI | RGB | HDR | HDR10 | Dolby Vision up to 30Hz | HLG | BT.2020 | BT.2100

Maximum Pixel Clock

600MHz

Communication and Control

HDMI

HDCP 2.2 | DVI-D supported with adapter (not included)

IR

1x Front Panel Sensor

RS-232

1x 3-Pin Terminal Block

Ethernet

1x LAN: 8-pin RJ-45 Female | 10/100 Mbps auto-negotiating | IP Control

Power

Power Supply

5V DC 2A

Max Power Consumption

10W

Environmental

Operating Temperature

0 to + 45°C (32 to + 113 °F), 10% to 90%, non-condensing

Storage Temperature

-20 to +70°C (-4 to + 158 °F), 10% to 90%, non-condensing

Maximum BTU

17.06 BTU/hr

Dimensions and Weight

Rack Units/Wall Box

<1U

Height

42mm/1.65in

Width

215mm/8.46in

Depth

120.2mm/4.73in

Weight

0.88kg/1.94lbs

Regulatory

Safety and Emission

CE | FCC | RoHS | EAC

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