Recognizer; Ir Interface - Lightware UMX-HDMI-140 Series User Manual

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4. Device Concept
4.5.2. RS-232 Recognizer
DIFFERENCE:
This feature is available only in UMX-HDMI-140-Plus model.
RS-232 Recognizer Example
Steps and Settings
Process
When signal presents on any HDMI input, the
extender sends a message: 'ping'.
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Video codec sends a message: 'Login name:'.
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When 'Login name:' is detected in the string, the
extender sends a message: 'Admin'.
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Video codec sends a message: 'Password:'.
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When 'Password:' is detected in the string, the
extender sends a message: 'Admin'.
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Login is established, Video codec is ready to use.
First, configure the recognizer for the serial communication, after that, set the events in the Event Manager (for
more details see the Event Manager section). The RS-232 recognizer settings has to be done with Lightware
Device Controller Software (see the Message Recognizer
RS-232 Recognizer section).
Settings in the Event manager
▪ E1. When the signal is present on O1 port of the HDMI-TPS-RX220AK, it sends a message 'PING' on P1
port of RS-232 to the VC codec. For more details see Message Sending via RS-232 Serial Port section.
E2. Set a condition where 'Login name:' is the recognized RS-232 message. Action is sending serial
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message ('Admin') on the P1 port to the VC codec.
▪ E3. Set a condition where 'Password:' is the recognized RS-232 message. Action is sending serial
message ('Admin') on the P1 port to the VC codec.
Settings
This condition and the action is set in Event manager.
The serial communication is scanned continuously by the
recognizer in the extender and gets the 'Login name' string.
This condition and the action is set in Event manager.
The serial communication is scanned continuously by
the recognizer in the extender and gets the 'Password'
string.
This condition and the action is set in Event manager.
section) or with LW3 protocol commands (see the
Applied firmware package: v1.2.0 | LDC software: v2.4.1b7
UMX-HDMI-140 series– User's Manual
4.5.3. IR Interface

ATTENTION! For the complete usage attach the IR emitter unit to the IR OUT and the IR detector unit to
the IR IN connectors. To order IR receiver and transmitter units please contact sales@lightware.com.
Technical Background
The UMX-HDMI-140 switcher contains dedicated IR I/O connection and is able to transmit/receive IR signal
via the IR emitter and detector units. The signal is in pronto HEX format.
Block diagram of the UMX-HDMI-140 Infrared interface
The device has an IR recognizer function. Recognizing IR commands can trigger actions in Event Manager.
The second option is the command injection mode (like at serial interface in the previous section) where
you can send IR commands over LAN. Command injection mode can be enabled and disabled on the input/
output ports.
INFO:
All settings are available in the LDC software, see settings in the

INFO: The modulation of output IR signal can be turned off or on by LW3 command, see the
Disable Output Signal Modulation
Infra section.
section.
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Enable/