这是本文档旧的修订版！

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1^ RS485_A1 ^ RS485&232 ^ 2| RS485_B1 | ::: | 3| RS485_A2 | ::: | 4| RS485_B2 | ::: | 5| UART_RX3_232 | ::: | 6| UART_TX3_232 | ::: | 7| UART_RX4_232 | ::: | 8| UART_TX4_232 | ::: | 9| GND | ::: | 10| GND | ::: |