Paradyne Comsphere 3510 User Manual page 79

carrier
Clear-to-Send
(CTS)
Consultive Committee for
International Telegraphy
and Telephony (CCITT)
control
Data Communication
Equipment (DCE)
Data Service Unit
(DSU)
Data Set Ready
(DSR)
Data Terminal Equipment
(DTE)
Data Terminal Ready
(DTR)
DATAPHONE II DSU
DATAPHONE Digital
Service (DDS)
Digital Data Service (DDS)
Digital Loopback
(DL)
Electronic Industries
Association (EIA)
ITU-T
3510-A2-GN32-70
Glossary
A framework containing slots for circuit cards. The 3000 Series Carrier fits in a 19-
or 23-inch rack and accommodates up to 16 DSUs.
A signal issued by a DSU to indicate that it is connected to the digital network and
is ready to accept data.
Consultative Committee on International Telegraphy and Telephony. An advisory
committee established by the United Nations to recommend communications
standards and policies. It was renamed ITU in March 1993.
A data service unit (DSU) that is generally collocated with the host computer.
Equipment used for data transmission and reception.
A piece of equipment used to connect various types of data terminal equipment
(DTEs) to a digital network.
A signal issued by the DSU to indicate that it is powered on and ready to transmit
data.
Terminal equipment connected to the DSU that is used for communication over
digital networks. May be a terminal, computer, printer, or multiplexer.
An EIA-232-D signal which indicates that the DTE is ready for operation.
An earlier generation data service unit (DSU).
An AT&T digital network used for communication among various types of DTEs.
A digital network.
A type of diagnostic test in which data is looped from the network through a DSU
back to the digital network.
An organization which sets data communication industry standards.
The Telecommunications Standardization Sector of the International
Telecommunications Union, an advisory committee established by the United
Nations to recommend communications standards and policies. Before March 1993
it was called CCITT.
July 1999 Glossary-1