Cisco Prisma II Installation And Operation Manual page 102

Glossary
, Continued
QPSK
RC
Reverse path
RF
RF Bypass
RFI
RMA
RMS
Router
RS
RX
SA
SAM
SAT
S-band
SET
Scattering
SLM
SM
SMC
SMIU
SMU
S/N or SNR
Glossary-8
Quadrature Phase-Shift Keying
Reverse conditioner
Signal flow direction toward the headend.
Radio frequency
A bypass feature that allows subscribers to view a clear
analog channel while recording a digital or analog channel
on a VCR.
Radio frequency interference
Return material authorization
Root Mean Square
A data communications device which examines a packet
and routes the packet to an output port appropriate to the
packet destination
Remote Sensing
Receive or reciever
Spectrum analyzer
Signal analysis meter
Site acceptance test
The group of frequencies between 2 and 4 GHz.
Secure electronic transaction
Random directional change of a wave or part of a wave
caused by an irregular reflecting surface or by passing
through an inhomogeneous transmission medium.
Signal level meter
Status monitor
Status monitoring and control
Status Monitor Interface Unit
Server Management Unit
Signal-to-noise ratio
Optoelectronic Glossary 78-713378-01 Rev C