Suppose that you are required to create a document to explain the different sections of DTE...

Suppose that you are required to create a document to explain the different sections of DTE and DCE, by indicating the purpose of NIU and NID.

Expert Solution

1. Data Terminal Equipment (DTE) :
It includes any unit that functions either as a source of or as a destination for binary digital data. At physical layer, it can be a terminal, microcomputer, computer, printer, fax, machine or any other device that generates or consumes digital data. DTEs do not often communicate information but need an intermediary to be able to communicate.

2. Data Circuit Terminating Equipment (DCE) :
It includes any functional unit that transmit or receives data in form of an analog or digital signal through a network. At physical layer, a DCE takes data generated by a DTE, converts them to an appropriate signal, and then introduces signal onto telecommunication link.

Commonly used DCEs at this layer include modems. In any network, a DTE generates digital data and passes them to a DCE. DCE converts that data to a form acceptable to transmission medium and sends converted signal to another DCE on network. The second DCE takes signal off line, converts it to a form usuable by its DTE, and delivers it.

Difference between DTE and DCE :

SR.NO	DTE	DCE
1	DTE stands for Data Termination Equipment.	DCE stands for Data Communication Equipment.
2	It is a device that is an information source or an information sink.	It is a device used as an interface between a DTE.
3	DTE is concerned with source or destination of data.	DCE is concerned with communications aspect of data.
4	It produces data and transfers them to a DCE, with essential control characters.	It converts signals to a format appropriate to transmission medium and introduces it onto network line.
5	It is connected through help of a DCE network.	DCE network acts as a medium for two DTE networks.
6	Examples of DTE include computers, printers and routers, etc.	Examples of DCE include modem, ISDN adaptors, satellites and network interface cards, etc.

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venereology answered 2 years ago

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