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Frequently Asked Questions
Question 3: The converters are port-powered, why is there a +5V sign on the converters? Can I connect external power to this terminal?
Answer: The +5V sign on the termination board is used for measurement only. Do NOT connect any external power to this pin. If you doubt that the converter is functioning, measure this pin and the GND with a volt meter. If you get a signal of more than +3V, your converters are powered correctly, otherwise please check your connection. For example, if the device the converter is connected to is a DCE device, you need to swap Pin 2 and 3 (or use a Null-modem converter to connect between the device and the converter).
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