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USER MANUAL - DUX-MTX
100-METER HDBT EXTENDER TRANSMITTER
OPERATE WITH RS232
RS232 Pinout
DUX-MTX installs a RS232 port at its rear panel and accepts Phoenix connector for
firmware upgrading or serial communication.
Control System
TX
TX
RX
RX
GND
GND
RS232 for Firmware Upgrading
RS232
port of DUX-MTX can be used for firmware upgrading.
To upgrade firmware of DUX-MTX:
1. Download firmware upgrading execution software (please contact the product
manufacturer or your local dealer) to your PC;
2. Swith CONFIG Swith to “MCU Upgrading” or “HDBT Upgrading” mode (Depends
on the chip you are going to upgrade. More informaiton about CONFIG Switch is
provided on Page 10 “CONFIG SWITCH”.);
3. Connect your PC to RS232 port using a RS232 Cable;
4. Click to run the execution software;
5. When the upgrading is successful, power cycle the device.
DUX-MTX
PC Server
RS232 Cable
Application Example:
RS232 for Firmware Upgrading