data terminal equipment (DTE)
Issue 1.0 May 2003
399
CSD
Customer-service document
CSM
Centralized System Management
CSS
See center-stage switch (CSS).
CSSO
Customer Services Support Organization
CSU
Channel service unit
CTS
Clear to Send
CWC
See
call work code
on page 394.
DAC
1. Dial access code or Direct Agent Calling
2. See
digital-to-analog converter (DAC)
on page 401.
data channel
A communications path between two points used to transmit digital signals.
data-communications
equipment (DCE)
The equipment (usually a modem, data module, or packet assembler/disassembler)
on the network side of a communications link that makes the binary serial data from
the source or transmitter compatible with the communications channel.
data link
The configuration of physical facilities enabling end terminals to communicate
directly with each other.
data module
An interconnection device between a BRI or DCP interface of the switch and data
terminal equipment or data communications equipment.
data path
The end-to-end connection used for a data communications link. A data path is the
combination of all elements of an interprocessor communication in a DCS.
data port
A point of access to a computer that uses trunks or lines for transmitting or receiving
data.
data rate
See
bit rate
on page 392.
data service unit (DSU)
A device that transmits digital data on transmission facilities.
data terminal
An input/output (I/O) device that has either switched or direct access to a host
computer or to a processor interface.
data terminal equipment
(DTE)
Equipment consisting of the endpoints in a connection over a data circuit. In a
connection between a data terminal and host, the terminal, the host, and their
associated modems or data modules make up the DTE.
