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DTE
Last modified: Friday, May 15, 1998 

Short for Data Terminal Equipment, a device that controls data flowing to or from a computer. The term is most often used in reference to serial communications defined by the RS-232C standard. This standard defines the two ends of the communications channel as being a DTE and Data Communications Equipment (DCE) device. In practical terms, the DCE is usually a modem and the DTE is the computer itself, or more precisely, the computer's UART chip. For internal modems, the DCE and DTE are part of the same device.

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RS-232 connectors and cabling
Provides the 25 pin assignments for the RS-232, along with alternative serial connectors (DIN-8, DB-9, and RJ-45). In addition, DTE and DCE cable connections are discussed.

related categories

Communications

related terms

DCE

RS-232C

UART


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