Cisco Prisma II HD-LRMW Installation And Operation Manual page 124

Glossary
association that provided standards for use between manufacturers and purchasers of
electronic products until ceasing operations in February 2011. EIA standards continue to be
recognized in the telecommunications industry.
EMC
electromagnetic compatibility. A measure of equipment tolerance to external electromagnetic
fields.
EMT
externally-modulated transmitter.
ESD
electrostatic discharge. Discharge of stored static electricity that can damage electronic
equipment and impair electrical circuitry, resulting in complete or intermittent failures.
F
FHEDA
forward headend driver amplifier.
H
HD
high density.
HEDA
headend driver amplifier.
I
I/O
input/output.
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.
iWDM
interoperable wave-division multiplexing. The iWDM plan compromises 16 ITU compatible
wavelengths in the C band from ITU 21 through 62, and is generally accepted in the industry
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