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CSD
CSM
CSS
CSSO
CSU
CTS
CWC
DAC
data channel
data-communications
equipment (DCE)
data link
data module
data path
data port
data rate
data service unit (DSU)
data terminal
data terminal equipment
(DTE)
Customer-service document
Centralized System Management
See center-stage switch (CSS).
Customer Services Support Organization
Channel service unit
Clear to Send
See
call work code
on page 394.
1. Dial access code or Direct Agent Calling
2. See
digital-to-analog converter (DAC)
A communications path between two points used to transmit digital signals.
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.
The configuration of physical facilities enabling end terminals to communicate
directly with each other.
An interconnection device between a BRI or DCP interface of the switch and data
terminal equipment or data communications equipment.
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.
A point of access to a computer that uses trunks or lines for transmitting or receiving
data.
See
bit rate
on page 392.
A device that transmits digital data on transmission facilities.
An input/output (I/O) device that has either switched or direct access to a host
computer or to a processor interface.
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.
data terminal equipment (DTE)
on page 401.
Issue 1.0 May 2003
399
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