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ICIM
intelligent communications interface module.
IP
Internet protocol. A standard that was originally developed by the United States Department
of Defense to support the internetworking of dissimilar computers across a network. IP is
perhaps the most important of the protocols on which the Internet is based. It is the standard
that describes software that keeps track of the internetwork addresses for different nodes,
routes, and outgoing/incoming messages on a network. Some examples of IP applications
include email, chat, and Web browsers.
L
LCD
liquid crystal display. A display medium made of liquid crystal. Liquid crystal's reflectance
changes when an electric field is applied. Commonly used in monitors, televisions, cell
phones, digital watches, etc.
LCI
local craft interface.
LED
light-emitting diode. An electronic device that lights up when electricity passes through it.
M
MIB
management information base. SNMP collects management information from devices on the
network and records the information in a management information base. The MIB
information includes device features, data throughput statistics, traffic overloads, and errors.
N
nm
nanometer. One billionth of a meter.
NMS
network management system. A software system designed specifically to monitor a network
and to facilitate troubleshooting.
O
OLT
optical line termination. Optical network elements that terminate a line signal.
OMI
optical modulation index, expressed in decimal or percentage notation.
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Glossary
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Table of Contents
Troubleshooting
