问题：
What is the pin out of the communications port on the 2231A-30-3?
答案：
Below is the pin out of the connector.
Pin 1 = +5V
Pin 2 = RXD
Pin 3 = TXD
Pin 4 = NC
Pin 5 = GND
Pin 6 = NC
Pin 7 = NC
Pin 8 = NC
Pin 9 = NC
Note: To use this communications port, it requires the Model 2231A-001 USB adapter to communicate to a PC.
常见问题 ID 468026
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