2 rs232, 3 rs485, Rs232 – Robustel R3000 Lite User Guide User Manual
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Robustel GoRugged R3000 Lite User Guide
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4.1.2 RS232
R3000 Lite supports one RS232 for serial data communication.
Please refer to the connection diagram at the right site.
4.1.3 RS485
R3000 Lite supports one RS485 for serial data communication.
Please refer to the connection diagram at the right site.