Glossary
A
Alternating Current
AC
Application Context
Authentication Center
Area Code
Used to conceptually describe the
function, interaction, and
architecture
connectivity of hardware, software,
and/or system components within
a network.
B
British Thermal Unit
BTU
D
Direct Current
DC
Data Collection
N
Network Equipment Building
Systems
NEBS
The most common set of safety,
spatial and environmental design
guidelines applied to
telecommunications equipment in
the United States. NEBS was
developed by Bell Labs in the 1970s
to standardize equipment that
would be installed in a central
office. This document lists the
generic requirements for all new
telecommunications equipment
systems used in central offices and
other telephone buildings.
P
75
910-5681-001 Revision E, February 2014
