Cisco Cisco Prisma II EDR Receiver 설치 가이드
78-715189-01 Rev C
Glossary
Glossary-9
Glossary
, Continued
SNMP
Simple Network Management Protocol
SP
Splitter. It is a device which divides power from an input to
deliver multiple outputs or combines multiple inputs into
one output.
Spread Spectrum
A modulation technique to spread a narrow band signal
over a wide band of frequencies.
Spurious
Anything other than the desired result
SSPA
Solid-state power amplifier
Sweep generator
A signal source which can automatically vary its frequency
continuously from one frequency to another.
Synchronous
transmission
A method of sending information over a path and
separating discrete characters and symbols by a precise
separation in time.
TCP/IP
Transmission control protocol/internet protocol
TDM
Time division multiplexing
TNCS
Transmission Network Control System
Torque
Force applied to bolt or screw to tighten the device.
TS
Transport Stream
TTCN
True tilt correction network
Tx
Transmit or transmitter
UBT
Unbalanced triple
UPS
Un-interruptible power supply
Upstream
Signal transmission toward the headend
UTP
Unshielded twisted pair
uV
One millionth of a volt (microvolt)
V
Volt
V AC
Volts alternating current
VBR
Variable bit rate