MC3000 Digital Deskset Operator and Installation Manual Glossary-1
(6880309L15-A)
Glossary
AC alternating current
ACK acknowledge
ALT alert
C celsius
CD compact disk
cm centimeters, a metric unit of measurement of size
COR carrier operated relay
DC direct current
dB decibel, a logrithmic ratio measurement of the amplitude or power of
two signals
dBm a logarithmic ratio measurement of the power of a signal relative to
one milliwatt and referenced to 600 ohms
DTMF dual tone multi-frequency
Emerg emergency
ESD electrostatic discharge
GND electrical ground
Hz Hertz, a unit of frequency; one hertz is equal to one cycle per sec-
ond.
IEC International Electrotechnical Commission
I/O input/output
K Kilo
kg Kilograms; a metric unit of measurement of weight, that is, one thou-
sand grams
KHz Kilohertz; that is, one thousand Hertz (thousand cycles per second)
lb pounds, an imperial unit of measurement of weight
LBL label
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