the network end of the line.
Data Terminating Equipment (DTE)
The equipment that originates data for transmission and accepts transmitted data.
dB
Decibels
DC
Direct Current
DCC
Data Communications Channel
DCE
Data Communications Equipment
Default Provisioning
The parameter values that are preprogrammed as shipped from the factory.
Demultiplexing
A process applied to a multiplexed signal for recovering signals combined within it and for
restoring the distinct individual channels of these signals.
DEMUX
Demultiplexer
DEMUX - Demultiplexer
The DEMUX direction is from the fiber toward the DSX.
Digital Cross-Connect Panel (DSX)
A panel designed to interconnect to equipment that operates at a designated rate. For example, a
DSX-3 interconnects equipment operating at the DS3 rate.
Digital Multiplexer
Equipment that combines time-division multiplexing several digital signals into a single
composite digital signal.
Digital Signal Levels 0, 1, 3 (DS0, DS1, DS3)
An ANSI-defined signal or service level corresponding to the following: DS0 is 64 Kb/s, DS1 is
1.544 Mb/s (equivalent to T1), and DS3 is 44.736 Mb/s (equivalent to 28 T1 channels or T3).
Directory Services Network Element (DSNE)
A designated network element that is responsible for administering a database that maps
network element names (TIDs) to addresses (NSAPs - network service access points) in an OSI
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365-372-333 R2.1
Issue 4, June 2005
Lucent Technologies
G L O S S A R Y
G L - 7
