USB Adapters has become a common piece of PC Peripheral, there are multiple uses for this little thing. It is a protocol converter that is used for converting USB data signals, to and from other communications standards.

That is to say the USB data can be switched to standard serial port data through the adapter and vice versa.

Generally speaking, the USB data signals are converted to RS232, RS485, RS422, or TTL-level UART serial data. While the older serial RS423 protocol is rarely utilized at present, USB to RS423 adapters are less common.

The USB converter is portable and lightweight. This feature enables you to take it with ease when going out.

To sum up, the main uses of USB Adapters is to retrofit older computers with a new technology. Or a new computer with a legacy technology.

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