page_title: USB adapter
hierarchical_section_title: USB adapter
caption_attribution_description: English: Virtual COM Port Hardware FTDI US-232R. FTDI US232R, see http://www.ftdichip.com/Products/Cables/USBRS232.htm
context_page_description: A USB adapter is a type of protocol converter that is used for converting USB data signals to and from other communications standards. Commonly, USB adapters are used to convert USB data to standard serial port data and vice versa. Most commonly the USB data signals are converted to either RS232, RS485, RS422, or TTL-level UART serial data. The older serial RS423 protocol is rarely used any more, so USB to RS423 adapters are less common.
context_section_description: A USB adapter is a type of protocol converter that is used for converting USB data signals to and from other communications standards. Commonly, USB adapters are used to convert USB data to standard serial port data and vice versa.  Most commonly the USB data signals are converted to either RS232, RS485, RS422, or TTL-level UART serial data. The older serial RS423 protocol is rarely used any more, so USB to RS423 adapters are less common.
caption: FTDI US232R : USB to RS-232 cable
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