data terminal equipment (data terminal equipment) is an end device or end system ina data communication system, referred to as DTE. It can be a data source (the generator of the data), a data repository (the receiver of the data), or both. A device, PC, or terminal at one or the other end of a data transmission. A data terminal device (DTE) is an end node in an X.25 network. A DTE is a device at the interface of a user network that serves as a data source, destination, or both. DTE connects to a data network through a DCE device and typically uses the clock signal generated by DCE. DTE includes devices such as computers, protocol converters, and multiplexers. The data terminal equipment, that is, the computer display terminal, is the input and output equipment of the computer system. The computer display terminal comes into being with the centralized processing mode of the host era, and with the development of computing technology, it keeps improving and gives birth to advanced displays.
A data terminal is a device that can be connected to a computer network and can exchange data. It can be a variety of terminal devices such as computers, mobile phones, tablets, or network devices such as routers and switches.
The data terminal can be connected to the network through wired or wireless means for data transmission, transmission, processing, storage and other operations, which can realize a variety of network applications and services. In the Internet era, data terminal has become an indispensable tool in people's life and work.