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Data Terminal Equipment
Data Terminal Equipment

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!!! Overview
[{$pagename}] ([DTE] or tail circuits) is an end [device] that converts user [data] into signals or reconverts received signals.
[{$pagename}] [device] communicates with the [Data Circuit-terminating Equipment] ([DCE]).
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.
Two different types of devices are assumed on each end of the interconnecting cable for a case of simply adding [{$pagename}] to the topology (e.g. to a hub, [DCE]), which also brings a less trivial case of interconnection of devices of the same type: DTE-DTE or DCE-DCE. Such cases need crossover cables, such as for the Ethernet or null modem for [RS-232].
[{$pagename}] is the functional unit of a data station that serves as a data source or a data sink and provides for the data communication control function to be performed in accordance with the link protocol.
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 interacts with the DTE (e.g. through a human-machine interface), or the DTE may be the user.
Usually, the DTE device is the terminal (or a computer emulating a terminal), and the DCE is a modem or another carrier-owned device.
A general rule is that [Data Circuit-terminating Equipment] ([DCE]) device provide the clock signal (internal clocking) and the [{$pagename}] device synchronizes on the provided clock (external clocking). D-sub connectors follow another rule for pin assignment.
This term is also generally used in the Telco and [Cisco Cables] 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 [Ethernet] connection can also be called a DTE to DTE communication. This communication is done via an Ethernet crossover cable as opposed to a PC to DCE (hub, switch, or bridge) communication which is done via an Ethernet straight cable.
!! More Information
There might be more information for this subject on one of the following:
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This page (revision-1) was last changed on 29-Nov-2024 16:16 by UnknownAuthorTop