Cisco Cisco Prisma II EDR Receiver 설치 가이드
78-748704-01 Rev C
Glossary
Glossary-1
Glossary
Term, Acronym,
Abbreviation
Meaning
A
Ampere (amp) is the unit of measure for electrical current.
AC
Alternating current
ADC
Analog to digital
Addressable
The ability to control an individual unit in a system of
many similar units.
AFC
Automatic Frequency Control
AGC
Automatic Gain Control
AM
Amplitude Modulation
Amplifier Cascade
Two or more amplifiers in a series, the output of one
feeding the input of another.
APC
Automatic phase control
APD
Avalanche Photodiode. Avalanche refers to the gain
mechanism internal to the photodiode, where 1 photon
results in many electrons, as opposed to a PIN photodiode
where 1 photon results in 1 electron
.
ASIC
Application Specific Integrated Circuit
Attenuation
A decrease in signal magnitude occurring in transmission
from one point to another or in passing through a loss
medium.
Attenuator
A device designed to reduce signal strength by an amount
specified in dB.
ATX
Addressable transmitter
AUX
Auxiliary
Baseband
The total signal before it is modified for transmission or
otherwise manipulated.
Baud (Bd)
A measure of signaling rate based on the number of
signaling events per unit of time.
Beamwidth
The included angle between two rays (usually the half-
power points) on the radiation pattern, which includes the
maximum lobe, of an antenna.