User's Manual Part 5

ABBREVIATIONS ROI-S05755
-6-
Q
QAM Quadrature Amplitude Modulation
QPSK Quadrature Phase Shift Keying
R
RAM Random Access Memory
REC Rectifier
LO REF Local Reference Frequency
RF Radio Frequency
RFCOH Radio Frame Complementary Overhead
RL Relay
RMON Remote Network Monitoring
ROM Read Only Memory
RS Reed Solomon
RSOH Regenerator Section Overhead
RST Regenerator Section Termination
RSL Received Signal Level
RX Receive
S
SC Service Channel
SD Signal Degrade
SDH Synchronous Digital Hierarchy
SELV Safety Extra Low Voltage
SES Severely Errored Seconds
SEP Separation
SEP Severely Errored Period
SOH Section Overhead
SONET Synchronous Optical Network
STM Synchronous Transport Module
SV Supervisory
SW Switch
SYNC Synchronizer
SYNTH Synthesizer
ABBREVIATION DESCRIPTION