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  2. USB-to-serial adapter - Wikipedia

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

    FTDI US232R : USB to RS-232 cable. 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. USB communications device class - Wikipedia

    en.wikipedia.org/wiki/USB_communications_device...

    This class can be used for industrial equipment such as CNC machinery to allow upgrading from older RS-232 serial controllers and robotics, since they can keep software compatibility. The device attaches to an RS-232 communications line and the operating system on the USB side makes the USB device appear as a traditional RS-232 port.

  4. RS-232 - Wikipedia

    en.wikipedia.org/wiki/RS-232

    Many RS-232 driver chips have inbuilt charge pump circuitry to produce the required voltages from a 3 or 5 volt supply. RS-232 drivers and receivers must be able to withstand indefinite short circuits to the ground or to any voltage level up to ±25 volts. The slew rate, or how fast the signal changes between levels, is also controlled.

  5. ThinkCentre M series - Wikipedia

    en.wikipedia.org/wiki/ThinkCentre_M_series

    Audio: Intel HD Audio [7] Optical drive: 16x Dual Layer DVD reader/writer [7] USB ports: ten USB 2.0 ports [7] Operating System: Windows XP Professional [7] It was described by About.com as being "a very solid system for business users" and a "general purpose PC" for consumers. [7] However, both multimedia performance and storage space were ...

  6. Standard Commands for Programmable Instruments - Wikipedia

    en.wikipedia.org/wiki/Standard_Commands_for...

    The physical hardware communications link (physical layer) is not defined by SCPI. [5] While it was originally created for the IEEE-488.1 (GPIB) bus, [5] SCPI can also be used with RS-232, RS-422, RS-485, USB, Ethernet, VXIbus, HiSLIP, etc. [5] SCPI commands are ASCII textual strings, [5] which are sent to the instrument over the physical layer ...

  7. Digital Sound System 80 - Wikipedia

    en.wikipedia.org/wiki/Digital_Sound_System_80

    The plug on the Microsoft DSS80 control satellite speaker ( right speaker ) is a Mini-DIN 4 [1] [2] plug. It is a proprietary connector. It is a proprietary connector. To say the connector is ADB (Apple desktop Bus) is incorrect; any ADB device plugged into this port would not operate and likewise if the DSS80 were plugged into an Apple ADB ...

  8. Virtual COM port - Wikipedia

    en.wikipedia.org/wiki/Virtual_COM_port

    A software-based virtual serial port presents one or more virtual serial port identifiers on a PC which other applications can see and interact with as if they were real hardware ports, but the data sent and received to these virtual devices is handled by software that manipulates the transmitted and received data to grant greater functionality.

  9. Sound card - Wikipedia

    en.wikipedia.org/wiki/Sound_card

    The USB specification defines a standard interface, the USB audio device class, allowing a single driver to work with the various USB sound devices and interfaces on the market. Mac OS X, Windows, and Linux support this standard. However, some USB sound cards do not conform to the standard and require proprietary drivers from the manufacturer.

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