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Copyright © 2019 WyreStorm Technologies | 

wyrestorm.com

MX-0404-H2A Quickstart Guide | 190529

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

[email protected]

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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 its 
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 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.

IR Guidelines

 

•  Using WyreStorm infrared receivers is the best way to ensure that most IR 

coding formats are transmitted and received Other 3rd party receivers can 
be used; however, these devices must operate in the same manner as the 
WyreStorm devices.

•  Due to differences in IR across 3rd party control systems their IR ports 

should never be connected directly to a WyreStorm system as an 
incompatibility may exist. WyreStorm offers a cable that compensates for 
voltage differences as well adjusts for differences in the pins used within the 
port. Refer to the 

CAB-IR-LINK

 product page for more information.

IR EXT Port Pinout

Connection for IR RX (receive) uses a 3.5mm (1/8in) stereo jack that outputs 
+5V DC to power the included IR receiver. 

Tip:
Ring:

IR Signal

+5V DC

Sleeve: Ground (GND)

RS-232 Wiring

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.

3rd Party Device

Pin 2 TX (Transmit) ---> To ---> RX (Receive)
Pin 3 RX (Receive)

---> To ---> TX (Transmit)

Pin 5 G (Ground)

---> To ---> G (Ground)

WyreStorm Connector

Note: Pins not shown in table have no connection.

Audio Wiring

This matrix contains audio connections for Analog Audio.

Tip:

Audio Postive (+)

Shield: Audio Negative (-)

IR Code Settings

This matrix has 2 different IR code sets to help alleviate interference with devices that may contain a similar IR code. These various code sets can be set within 
the units web UI should the need arise to change them. We recommend that the IR code set be left to default unless absolutely required to resolve a code 
sharing issue.
1. Access the Web UI. Refer t

Accessing the Web UI

.

2. Navigate to the Settings tab within the Admin section of the Web UI. Default password is admin.
3. Under IR Code select one of the available IR code sets. Mode 1 (0x00) is the default setting.

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