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What is Tera Term?
Tera Term is a free and open-source terminal emulation program that is widely used for serial communication. It is designed to provide a user-friendly interface for connecting to and controlling remote devices, such as routers, switches, and industrial automation equipment, through a serial port.
Basic Concepts for Serial Communication
When it comes to serial communication, there are a few key concepts that are important to understand. Let’s explore them below:
1. Serial Communication: Serial communication is a method of transferring data one bit at a time through a serial port. It involves the sequential transmission of data over a single wire, which makes it suitable for long-distance communication.
2. Serial Port: A serial port is a hardware interface that enables the transmission and reception of data through a serial connection. It provides a means to connect devices, such as computers and peripherals, using serial communication.
3. Baud Rate: Baud rate refers to the speed at which data is transmitted over a serial connection. It determines the number of signal changes per second and is commonly measured in bits per second (bps). The baud rate of the transmitting and receiving devices must match to ensure successful communication.
4. Data Bits, Stop Bits, and Parity: These parameters dictate the format in which data is transmitted. Data bits specify the number of bits used to represent each character, stop bits indicate the end of a data frame, and parity is used for error detection and correction.
Using Tera Term for Serial Communication
Now that we understand the basic concepts, let’s see how Tera Term can be used for serial communication. Tera Term provides a simple and intuitive interface for establishing a connection with a remote device through a serial port.
First, you need to open Tera Term and select the appropriate serial port from the “Serial port” menu. Configure the baud rate, data bits, stop bits, and parity settings based on the requirements of the device you are connecting to.
Once the serial port settings are configured, click on the “OK” button to establish the connection. Tera Term will then display the terminal window, where you can send commands and receive responses from the connected device.
To send commands, type them into the terminal window and press Enter. The device will process the command and send the response back to Tera Term, which will display it in the terminal window.
In addition to basic serial communication, Tera Term also offers advanced features such as macro scripting, logging, and file transfer capabilities, which can greatly enhance the functionality and convenience of the program.
In conclusion, Tera Term is an invaluable tool for serial communication, providing a user-friendly interface and a range of features to facilitate communication with remote devices. Whether you are a network engineer, an industrial technician, or a hobbyist, Tera Term can greatly simplify your interaction with serial devices.
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