Comtech EF Data HPCST-5000 - Manual (Page 169)

High-Power TWTA Satellite Terminals Glossary
Rev. 1 g–3
PROG Program
PS Power Supply
PSIG Pressure per Square Inch Guage
RAM Random Access Memory
REF Reference
RF Radio Frequency
RF Radio Frequency
RFJ Reference Frequency Adjust (10 MHz)
RFRF RF Output
RFT Radio Frequency Terminal
RH Relative Humidity
RMA Return Material Authorization
RST Restart Fault
RSU Redundancy Switch Unit
RX Receive (Receiver)
SEL Select
SSG Small Signal
SSPA Solid State Power Amplifier
TBD To Be Determined
TDV Down Converter Tuning Voltage
TIV IF LO Tuning Voltage
TRF Transmit Reject Filter
TUV Up Converter Tuning Voltage
TWT Traveling Wave Tube
TWTA Traveling Wave Tube Amplifier
TX Transmit (Transmitter)
U/C Up Converter
U/C TUN Up Converter Tuning
UCA UP Converter Attenuation
UCF Up Converter Frequency
UCT Up Converter Temperature
UL Up Link Fault
ULA Up Link Fault — Unit A
ULB Up Link Fault — Unit B
ULD Up Converter Lock Detect Fault
ULM Up Link Mode (Auto or Manual)
ULS Up Link Switch (A or B)
UPS Uninteruptable Power Supply
UTM Up Converter Tuning Voltage Fault
V Volts
VAC Volts, Alternating Current
VDC Volts, Direct Current
VSAT Very Small Aperture Terminal
VSWR Voltage Standing Wave Ration
W Watt
WRM Warm
XFE External Fault Enable
XVA External Input Power from Unit A
XVB External Input Power from Unit B