363-206-208
Glossary
Issue 5 June 2000
GL-9
G
GNE
Gateway Network Element — A network element that funnels information between sev-
eral network elements and their supporting operations systems. Can also be a DSNE.
Beginning with Release 7.2 the GNE is whichever terminal is being used as an X.25
port. There can be more than one DSNE in a network. Prior to Release 7.2 (Releases
7.1 and 6.x) the DNE was set (provisioned) manually.
Group
The eight related slots that may be equipped.
GTP
General Telemetry Processor.
H
HDSL
High data rate Digital Subscriber Line
Holdover
An operating condition of a network element in which its local oscillator is not locked to
any synchronization reference but is using storage techniques to maintain its accuracy
with respect to the last known frequency comparison with a synchronization reference.
I
ID
Identifier. See shelf ID and site ID.
IEC
International Electrotechnology Commission.
IMF
Infant Mortality Factor.
INC
Incoming Status.
INCM
A parallel telemetry point used to indicate incoming low-speed failures. Parallel teleme-
try is not available in OC-12, Release 7.
I/O
Input/Output.
Summary of Contents for DDM-2000 OC-12
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