Comtech EF Data SNM-1001 User Manual
Page 100
SNM-1001 Network Control Modem
Glossary
Rev. 1
g–5
ROM
Read-Only Memory
RR
Receiver Ready
RS
Ready to Send
RT
Receive Timing
RTS
Request to Send
RX
Receive (Receiver)
RXCLK
Receive Clock
RXD
Receive Data
RZ
Return-to-Zero
s
Second
S/N
Signal-to-Noise Ratio
SCPC
Single Channel Per Carrier
SCR
Serial Clock Receive
SCT
Serial Clock Transmit
SCTE
Serial Clock Transmit External
SD
Send Data
SFS
Subframe Sync
SMS
Satellite Multiservice System
SN
Signal-to-Noise Ratio
SSB
Single-sideband
SSPA
Solid State Power Amplifier
ST
Send Timing
SW
Switch
SYMBCK
Symbol Clock
SYN
Synthesizer
SYNC
Synchronize
TB
Terminal Block
TCXO
Temperature-Compensated Crystal Oscillator
TDMA
Time Division Multiple Access
TEMP
Temperature
TERR
Terrestrial
TP
Test Point
TT
Terminal Timing
TTL
Transistor-Transistor Logic
TX
Transmit (Transmitter)
TXCLK
Transmit Clock
TXD
Transmit Data
TXO
TX Octet
U/C
Up converter
UART
Universal Asynchronous Receiver/Transmitter
UHF
Ultra-high Frequency
UNK
Unknown
US
United States
UW
Unique Word
V
Volts
VAC
Volts, Alternating Current
VCO
Voltage-Controlled Oscillator
VCXO
Voltage-Controlled Crystal Oscillator
VDC
Volts, Direct Current
VSWR
Voltage Standing Wave Ratio
W
Watt
WG
Waveguide
The following list contains definitions of terms that may be found in this manual.