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  2. Serial port - Wikipedia

    en.wikipedia.org/wiki/Serial_port

    A serial port is a serial communication interface through which ... Crystal oscillators with a frequency of 1.843200 MHz are sold specifically for this purpose. This ...

  3. RS-232 - Wikipedia

    en.wikipedia.org/wiki/RS-232

    A DB-25 connector as described in the RS-232 standard Data circuit-terminating equipment (DCE) and data terminal equipment (DTE) network. In telecommunications, RS-232 or Recommended Standard 232 [1] is a standard originally introduced in 1960 [2] for serial communication transmission of data.

  4. Serial cable - Wikipedia

    en.wikipedia.org/wiki/Serial_cable

    Serial cables are typically used for RS-232 communication. A serial cable or RS-232 cable is a cable used to transfer information between two devices using a serial communication protocol. The form of connectors depends on the particular serial port used. A cable wired for connecting two DTEs directly is known as a null modem cable.

  5. Serial communication - Wikipedia

    en.wikipedia.org/wiki/Serial_communication

    Keyboard and mouse cables and ports are almost invariably serial—such as PS/2 port, Apple Desktop Bus and USB. The cables that carry digital video are also mostly serial—such as coax cable plugged into a HD-SDI port, a webcam plugged into a USB port or FireWire port , Ethernet cable connecting an IP camera to a Power over Ethernet port, FPD ...

  6. Computer port (hardware) - Wikipedia

    en.wikipedia.org/wiki/Computer_port_(hardware)

    An auto-detect port may automatically determine what kind of device has been attached, but it also determines what purpose the port itself should have. For example, some sound cards allow plugging in several different types of audio speakers ; then a dialogue box pops up on the computer screen asking whether the speaker is left, right, front ...

  7. Data Carrier Detect - Wikipedia

    en.wikipedia.org/wiki/Data_Carrier_Detect

    It is present on virtually all PC serial ports - pin 1 of a nine-pin serial port, or pin eight over a 25-pin (DB25) port. Its purpose varies depending on the device connected, but the most specific meaning is to indicate when a modem is connected to another remote modem via telephone lines.

  8. COM (hardware interface) - Wikipedia

    en.wikipedia.org/wiki/COM_(hardware_interface)

    COM port (DE-9 connector). COM (communication port) [1] [2] is the original, yet still common, name of the serial port interface on PC-compatible computers. It can refer not only to physical ports, but also to emulated ports, such as ports created by Bluetooth or USB adapters.

  9. SGPIO - Wikipedia

    en.wikipedia.org/wiki/SGPIO

    Serial general-purpose input/output (SGPIO) is a four-signal (or four-wire) bus used between a host bus adapter (HBA) and a backplane. Of the four signals, three are ...