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GL-2 Issue 2 November 1996
Glossary
Communications parameters
See data options.
Configuration profiles
See option profiles.
D
Data Communications Equipment (DCE)
(Also called Data Circuit-terminating Equipment) The equipment that provides the
functions required to establish, maintain and terminate a data communications
connection. The DCE also provides any required signal conversion for communication
between the data terminal equipment (DTE) and the telephone line or data circuit.
Data metering
A selectable feature of the 8400B Plus Data Module that allows the device and its
associated terminal to operate at a higher speed than the remote system to which it is
connected.
Data mode
See on-line mode.
Data options
For asynchronous data communications, these parameters include data transfer speed
(expressed in bits/second or bps, and sometimes called baud rate), parity, data word size
(or data bits), and stop bits. Generally, these parameters must be set to match at both
ends of the communication line. Except when the data metering option is enabled, the
8400B Plus Data Module attempts to adjust to match the speed of the remote device. If
the data module is unable to match the speed, the call is disconnected. Also called
communications parameters. See also asynchronous data communications and data
metering.
Data Terminal Equipment (DTE)
A device that sends and/or receives data over a communication line via a DCE.
Examples of DTE devices are a display terminal, a PC running appropriate data
communications software, or a printer or plotter.
DCE
See Data Communications Equipment.