Harris Corporation Constellation™
Glossary G-5
GLOSSARY
SNR. Signal-to-Noise Ratio.
SPSC. Spare Products Support Center.
SPU. Signal Processing Unit.
SPUR. Extended SCAN port. A communications channel branching of from
the trunk and generally carrying less traffic than the trunk.
T
TCP/IP. Transmission Control Protocol/Internet Protocol.
T/I. Threshold-to Interference ratio.
TIA. Telecommunication Industries Association.
TSL. Transmitted Signal Level.
TTL. Transistor-Transistor Logic.
TvX. Transmitter.
U
UBER. Uncorrected Bit Error Ratio.
V
VCO. Voltage-Controlled Oscillator.
VF. Voice Frequency.
X
XO.
Crystal Oscillator.
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