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emulating a terminal), and the DCE is a modem or another carrier-owned device. The data terminal equipment may be a single piece of equipment or an interconnected subsystem of multiple pieces of equipment that perform all the required functions necessary to permit users to communicate. A user
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EIA standard RS-232-C: Interface between Data
Terminal Equipment and Data Communication Equipment Employing Serial Binary Data Interchange. Washington: Electronic Industries Association. Engineering Dept. 1969.
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equipment context to designate a network device, such as terminals, personal computers but also routers and bridges, that's unable or configured not to generate clock signals. Hence a direct PC to PC
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V.35 is a high-speed serial interface designed to support both higher data rates and connectivity between DTEs (data-terminal equipment) or DCEs (data-communication equipment) over digital lines.
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Two different types of devices are assumed on each end of the interconnecting cable for a case of simply adding DTE to the topology (e.g. to a
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as opposed to a PC to DCE (hub, switch, or bridge) communication which is done via an
Ethernet straight cable.
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connection can also be called a DTE to DTE communication. This communication is done via an
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Internetworking
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into signals or reconverts received signals. It is also called
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25 pin DCE devices transmit on pin 3 and receive on pin 2.
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25 pin DTE devices transmit on pin 2 and receive on pin 3.
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9 pin DCE devices transmit on pin 2 and receive on pin 3.
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9 pin DTE devices transmit on pin 3 and receive on pin 2.
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control function to be performed in accordance with the
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280:A general rule is that DCE devices provide the
173:. The DTE/DCE classification was introduced by
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192:) that serves as a data source or a data
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287:This term is also generally used in the
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383:. Vol. 8. 1966. pp. 244–246.
216:interacts with the DTE (e.g. through a
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381:DIN 44302 Datenübertragung - Begriffe
165:. A DTE device communicates with the
153:) is an end instrument that converts
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254:connectors follow another rule for
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322:Data circuit-terminating equipment
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159:data processing terminal equipment
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58:"Data terminal equipment"
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317:Communication endpoint
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364:References
327:End system
276:Networking
242:null modem
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310:See also
297:Ethernet
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213:computer
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