RS232 and RS485

STM32 Open IoT and IIoT Gateways (P10 - P12)

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P10 (4x RS232)

The gateway is equipped with 2x ST3232BTR to ensure transmission in RS232 standard.

P11 (2x RS232, 2x RS485)

P12 (4x RS485)

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The gateway is equipped with 2 transceivers MAX481 that handle transmission in RS485 standard on each channel independently. To ensure transmission in RS232 standard there is also ST3232BTR IC which allows transmission on each channel independently.