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LTPH-UM-1261-01 GL-1
GLOSSARY
A
ACO – Alarm Cutoff
AUD – Audible (alarm)
AUX – Auxiliary port
AWG – American Wire Gauge
C
CLEI – Common Language Equipment Interface
CO – Central Office
COM – Common
CRIT – Critical (alarm)
D
DSL – Digital Subscriber Loop
DSX-1 – DS-1 Cross-connect frame
E
E1 – 2.048 Mbps data rate (European T-1)
EIA – Electronic Industries Alliance
ELU – E1 HiGain Line Unit
ESD – Electrostatic Discharge
ETSI – European Telecommunications Standard Institute
F
FCC – Federal Communications Commission
FGND – Frame Ground
G
G.SHDSL – Single-pair High-speed Digital Subscriber Line
G.703 – ITU-T Recommendation for physical/electrical characteristics of hierarchical digital interfaces.
H
HCDS – High Capacity Digital Service
HCP – HiGain Connector Panel
HDSL – High-bit-rate Digital Subscriber Line
HLU – HiGain Line Unit
HMS – HiGain Management Shelf
HMU – HiGain Management Unit
M
MAJ – Major (alarm)
MIN – Minor (alarm)
MOP – Method of Procedure
N
NC – Normally Closed
NEBS – Network Equipment Building System
NO – Normally Open