Harris Constellation - Page 275

Harris Corporation Constellation™
Glossary-5
GLOSSARY
SESR Severely Errored-Second Ratio.
SNMP Simple Network Management Protocol.
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.