Lucent Technologies Definity Enterprise Communication Server 8.2 Manuale Utente

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DEFINITY ECS Release 8.2
Administrator’s Guide  
555-233-506  
Issue 1
April 2000
Glossary and abbreviations 
1626
 
CSCN
Center-stage control network
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
.
D
DAC
1. Dial access code or Direct Agent Calling
2. See 
digital-to-analog converter (DAC)
.
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 ele-
ments 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
.