Comtech EF Data SMS-458B - Manual (Page 121)

g–1
Glossary
The following is a list of acronyms and abbreviations that may be found in this manual.
Acronym/
Abbreviation
Definition
# Number
Ω ohms
AC Alternating Current
B/U Backup Unit
BW Backward
C Change of state
cm Centimeters
COM Common
C/U Channel Unit
D Depth
Db Decibels
DCE Data Circuit Terminating Equipment
dBm Decibels referred to 1.0 milliwatt
DTE Digital Test equipment
Demod Demodulator
DF Demodulator Fault
DOD Department of Defense
EIA Electronic Industries Association
ENT Enter
FCC Federal
Communications Commission
GND Ground
H Height
Hz Hertz
ID Identification
I/O Input/Output
IF Intermediate Frequency
lbs Pounds
IDR Intermediate Data Rate
kg Kilograms
LCD Liquid Crystal Display
LED Light-Emitting Device