Cisco Prisma II Installation And Operation Manual page 98

Glossary
, Continued
Distribution System
Downconverter
Down link
DP
DPU
DSP
DSR
D to U
DTMF
Duplexer
DVM
DWDM
ECM
EDFA
EEPROM
EIA
EMI
Emission designer
EPROM
EQ
Equalization
ERP
Glossary-4
Part of a cable system consisting of trunk and feeder cables
used to carry signals from headend to subscriber terminals.
A device that converts an input signal to a lower frequency
output signal.
A transmission path carrying information from a satellite
or spacecraft to earth.
Data processing
Digital processing unit
Digital signal processor
Digital Storage and Retrieval System
Desired to undesired signal ratio
Dual Tone Multiple Frequency
A device which permits the connection of both a receiver
and a transmitter to a common antenna.
Digital voltmeter
Dense Wave Division Multiplexing
Entitlement Control Message
Erbium Doped Fiber Amplifier
Electrically Erasable Programmable Read-Only Memory
Electronics Industry Association
Electromagnetic interference
An FCC or CCIR code that defines the format of radiation
from a transmitter.
Erasable Programmable Read-Only Memory
Equalizer
The process of compensating for an undesired result. For
example, equalizing tilt in a distribution system.
Effective radiated power
Optoelectronic Glossary 78-713378-01 Rev C