What is port and serial port?

What is port and serial port?

In computing, a serial port is a serial communication interface through which information transfers in or out sequentially one bit at a time. This is in contrast to a parallel port, which communicates multiple bits simultaneously in parallel.

What is serial multiplexer?

The Serial Mux mode is used to connect one or more master serial ports to a slave serial port. The slave can also be connected to one or more master IP ports using the IP Mux mode. The Serial Mux mode can be used to access Internal Registers if the src port is associated with an RTU ID and modbus protocol is used.

What is a serial port connector?

A socket that connects to a serial interface (one bit following another over one line). Serial ports are widely used by sensors for data acquisition, and they were standard on early computers for connecting a modem, mouse and other peripherals. USB-to-serial adapters are available for old peripherals.

What is serial port configuration?

The Serial Configuration block configures parameters for a serial port that you can use to send and receive data. Use this block to set the parameters of your serial port before you set up the Serial Receive and the Serial Send blocks.

What can I connect to a serial port?

Serial ports are also used to connect equipment together, e.g. modems of one type or another (PSTN, 3G, satellite), GPS units, telescopes, sensors, power inverters, and many type of industrial control equipment.

How do I enable serial ports?


  1. Go to Windows Device manager > Multi-port serial adapters.
  2. Select the adapter and right click to open the menu.
  3. Click on the Properties link.
  4. Open the Ports Configuration tab.
  5. Click on the Port Setting button.
  6. Select the Port Number and click OK.
  7. Click OK to apply the changes.

How do I connect to serial connection?

You can use the GUI by going to Device Manager and expanding Ports (COM & LPT) . You will see a device listed like USB Serial Device (COM4) . If you aren’t sure which one it is, you can unplug and replug your device to see which one shows up as new. You can connect using putty or MobaXTerm with the serial option.