Harris Constellation - Page 115

Harris Corporation Constellation®
Glossary-3
GLOSSARY
FITs. Failures In Time (10
9
hours).
H
HLM. High Level Mux.
hop. The span between a transmitter and a receiver.
HS. Hot Standby.
I
IEC. International Electrotechnical Commission.
IF. Intermediate Frequency; frequency below the radio frequency.
IFM. Interference Fade Margin.
IP. Internet Protocol.
ISO. International Organization for Standardization.
ITU. International Telecommunication Union.
J
JF. JackField.
L
LAN. Local Area Network.
LED. Light-Emitting Diode.
LNA. Low-Noise Amplifier.
LNC. Low-Noise Converter.
Loopback Test. A test of the coupling of a signal from the transmitting path
back to the local receiving path.
LOS. Loss Of Signal.
M
M12. A multiplexing method that transforms between 1 DS1 up to 4 DS1
input/outputs and a T2 output/output.
M2X. A multiplexing method that transforms between 1 T2 up to 7 T2
input/outputs and a T3 output/output.
MCD. Microwave Communications Division, formerly Farinon Division.