4. Device Concept MMX4x2 series – User's Manual 30
USB Interface
USB Control Interface
The device can be controlled over front panel USB port (mini B-type connector). This interface supports only
4x1 USB 2.0 Switch
DIFFERENCE:
The device contains a built-in USB 2.0 hub. USB host devices (e.g. PC-s) can be connected to the four USB
B-type connectors, and USB peripherals (e.g. camera, speakerphone, mouse, etc.) can be connected to the
four USB A-type connectors. You can switch the USB peripherals to connect one host device. Please note
that only one USB host can be active at the same time, thus all connected USB peripherals will be connected
ATTENTION! The sum of the current that the GPIO and the USB-A ports can supply together is max. 2A.
USB port diagram - MMX4x2-HDMI-USB20-L
.
The Concept
The PC and the laptop are connected to USB B-type ports of the matrix switcher (HDMI connection is not
necessary for the USB functionality). USB peripherals (camera, microphone, keyboard and mouse) are
connected to the USB A-type ports. The user can select to switch the USB peripherals to the PC or to the
laptop.
Settings
The PC is connected to the PC 1 USB B-type port, the laptop is connected to the PC2 USB B-type port.
HostSelect property to 1 or 2.
It can be established by sending an LW3 command
The function can be also combined with the Event manager to have a more comfortable automatic system:
when a USB host device is connected to the PC3 port, switch the HDMI input 3 to output 1.
Ethernet Interface
Device Control over Ethernet
The interface can be also used to remote control a third-party device and establish the connection to
Third-party Device Control via Local Ethernet (Example)
The following ways are available for device control:
▪ The System controller can communicate with the Matrix via the TPS line of the Transmitter with using
▪ The System controller can communicate directly with the Projector via their IP:port address.
▪ The Matrix can send commands (e.g. as an action by the Event Manager) to the IP:port address of the
ProjectorEvent Manager section,
Ethernet Message Sending section.
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