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Comtech EF Data SNM-1001 User Manual

Page 100

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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.