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  2. RS-232 - Wikipedia

    en.wikipedia.org/wiki/RS-232

    For example, on the original IBM PC, a male D-sub was an RS-232-C DTE port (with a non-standard current loop interface on reserved pins), but the female D-sub connector on the same PC model was used for the parallel "Centronics" printer port. Some personal computers put non-standard voltages or signals on some pins of their serial ports.

  3. Data Carrier Detect - Wikipedia

    en.wikipedia.org/wiki/Data_Carrier_Detect

    Data Carrier Detect (DCD) or Carrier Detect (CD) is a control signal present inside an RS-232 serial communications cable that goes between a computer and another device, such as a modem. This signal is a simple "high/low" status bit that is sent from a data communications equipment (DCE) to a data terminal equipment (DTE), i.e., from the modem ...

  4. Serial port - Wikipedia

    en.wikipedia.org/wiki/Serial_port

    A male D-subminiature connector used for an RS-232 serial port on an IBM PC compatible computer along with the serial port symbol. A serial port is a serial communication interface through which information transfers in or out sequentially one bit at a time. [1]

  5. Virtual COM port - Wikipedia

    en.wikipedia.org/wiki/Virtual_COM_port

    A serial port typically can only be monitored or transmitted to by one device at a time under the constraints of most operating systems, but a virtual serial port program can create two virtual ports, allowing two separate applications to monitor the same data.

  6. Breakout box - Wikipedia

    en.wikipedia.org/wiki/Breakout_box

    A four-port serial (RS-232) PCI Express ×1 expansion card with an octopus cable that breaks the card's DC-37 connector into four standard DE-9 connectors Example of a pocket-sized RS-232 breakout box that features switches to reconfigure or patch any or all the active circuitry. This unit has one DB25 male and one DB25 female RS-232 connector

  7. List of terminal emulators - Wikipedia

    en.wikipedia.org/wiki/List_of_terminal_emulators

    Serial port, Telnet, rlogin, SSH, and raw socket connection: Windows, macOS, ReactOS, Linux, Symbian S60 [7] PuTTY is a free and open-source terminal emulator, serial console and file transfer application. Qmodem Pro: Character: Serial port: Windows: Terminal emulator for MS-DOS and WIndows 95 (discontinued since 1997) Red Ryder: Character ...