5. Device Concept MMX8x4-HT series – User's Manual 50
GPIO Interface
DIFFERENCE: The MMX8x4-HT420M and MMX8x8-HDMI-4K-A-USB20 models have GPIO connector.
based on needs of the application.
GPIO Options - Example
The Concept
Relay box when signal received from the PC over the HDMI input. Relay box
is controlled by the GPIO port.
Settings
Step 1. Create an event in Event manager: when signal is present on Input 5 (I5) then set GPIO pins to low
level for Relay box opening.
Step 2. Also create another event when signal is not present on Input 5 (I5) then set GPIO pins to high level
for Relay box closing.
send signal to Relay box to open which results pulling back the curtains.
close which results drawing the curtains
ATTENTION! Please always check the electrical parameters of the devices what you want to control. The
maximum current of one GPIO pin is 30 mA, the maximum total current for the seven pins is 180 mA.
USB Switch Tab section. See also the details about the Event
Manager settings in the Macros section.
Consumer Electronics Control (CEC) Interface
DIFFERENCE:
The matrix switcher is able to send and receive CEC commands, from the input ports towards the source,
and from outputs port towards the sink. For more information about sending CEC messages, see the CEC
Tool section.
CEC Application Example
wake up.
Create an event in the event manager:
▪ Set a condition, if signal is present on the input port (I1),
▪ Set an action to send a CEC command 'Image view' on the output port (O1).
See the details about the Event Manager settings in the Event Manager section.
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