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2. USB-to-serial adapter - Wikipedia

   en.wikipedia.org/wiki/USB-to-serial_adapter

   A USB-to-serial adapter or simply USB adapter is a type of protocol converter that is used for converting USB data signals to and from serial communications standards (serial ports). Most commonly the USB data signals are converted to either RS-232 , RS-485 , RS-422 , or TTL-level UART serial data.

3. RS-485 - Wikipedia

   en.wikipedia.org/wiki/RS-485

   RS-485 supports inexpensive local networks and multidrop communications links, using the same differential signaling over twisted pair as RS-422.It is generally accepted that RS-485 can be used with data rates up to 10 Mbit/s [a] or, at lower speeds, distances up to 1,200 m (4,000 ft). [2]

4. RS-422 - Wikipedia

   en.wikipedia.org/wiki/RS-422

   RS-422, also known as TIA/EIA-422, is a technical standard originated by the Electronic Industries Alliance, first issued in 1975, that specifies electrical characteristics of a digital signaling circuit.

5. Universal asynchronous receiver-transmitter - Wikipedia

   en.wikipedia.org/wiki/Universal_asynchronous...

   Starting in the 2000s, most IBM PC compatible computers removed their external RS-232 COM ports and used USB ports that can send data faster. For users who still need RS-232 serial ports, external USB-to-UART bridges are now commonly used. They combine the hardware cables and a chip to do the USB and UART conversion.

6. Data Terminal Ready - Wikipedia

   en.wikipedia.org/wiki/Data_Terminal_Ready

   Data Terminal Ready (DTR) is a control signal in RS-232 serial communications, transmitted from data terminal equipment (DTE), such as a computer, to data communications equipment (DCE), for example a modem, to indicate that the terminal is ready for communications and the modem may initiate a communications channel.

7. UK has not seen details of Trump steel tariffs, cannot assess ...

   www.aol.com/news/uk-not-seen-details-trump...

   Britain has not seen details of U.S. President Donald Trump's proposed steel and aluminium tariffs and will continue to engage with the Trump administration as appropriate, a spokesman for Prime ...