Data Communication Equipment - meaning and definition. What is Data Communication Equipment
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What (who) is Data Communication Equipment - definition

COMMUNICATIONS SYSTEM COMPONENT
Data communications equipment; Data communication equipment; Data circuit terminating equipment; Data Circuit-Terminating Equipment; Data Communications Equipment; Data Communication Equipment; Data Carrier Equipment; Data carrier equipment; Datenübertragungssystem; DÜE; DCE (telecommunication); DÜE (telecommunication); Datenuebertragungssystem; Datenubertragungseinrichtung; Datenubertragungssystem; Datenübertragungseinrichtung; Datenuebertragungseinrichtung
  • Two ''data stations'' (''terminals'', ''stations'') each comprising a DCE and a DTE, connected via a network.
  • Terminal adapter for X.21

Data Communication Equipment         
<communications, hardware> (DCE) The devices and connections of a communications network that connect the communication circuit between the data source and destination (the {Data Terminal Equipment} or DTE). A modem is the most common kind of DCE. Before data can be transmited over a modem, the DTR (Data Terminal Ready) signal must be active. DTR tells the DCE that the DTE is ready to transmit and receive data. DCE and DTE are usually connected by an EIA-232 {serial line}. It is necessary to distinguish these two types of device because their connectors must be wired differently if a "straight-through" cable (pin 1 to pin 1, pin 2 to pin 2 etc.) is to be used. DCE should have a female connector and should transmit on pin two and receive on pin three. It is a curious fact that many modems are "DTE" according to the original standard. (1995-02-28)
Data Communications Equipment         
Data circuit-terminating equipment         
A data circuit-terminating equipment (DCE) is a device that sits between the data terminal equipment (DTE) and a data transmission circuit. It is also called data communication(s) equipment and data carrier equipment.

Wikipedia

Data circuit-terminating equipment

A data circuit-terminating equipment (DCE) is a device that sits between the data terminal equipment (DTE) and a data transmission circuit. It is also called data communication(s) equipment and data carrier equipment. Usually, the DTE device is the terminal (or computer), and the DCE is a modem.

In a data station, the DCE performs functions such as signal conversion, coding, and line clocking and may be a part of the DTE or intermediate equipment. Interfacing equipment may be required to couple the DTE into a transmission circuit or channel and from a transmission circuit or channel into the DTE.