Microwave Radio DS-2, Operator'S Manual

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Preface
vi IF Diversity Switch Operator’s Guide 400462-1 Rev. A
Glossary
This section describes commonly used acronyms and abbreviations used in
telecommunication and those specific to Microwave Radio Communications.
Term Definition
ØLK
Phase Lock.
1RU 1 Rack Unit height.
A & C Alarm and Control.
ADPCM Adaptive Differential Pulse Code Modulation.
AFC Automatic Frequency Control.
AGC Automatic Gain Control.
AIS Alarm Indication Signal (all one’s).
AMI Alternate Mark Inversion, line code format for traffic data.
AVG Average.
B3ZS Bipolar 3 Zero Substitution, line code format for traffic data.
B8ZS Bipolar 8 Zero Substitution, line code format for traffic data.
BB Baseband.
BER Bit Error Rate.
BNC Bayonet lock coaxial connector.
BPF Band Pass Filter.
BPS Bits per second.
CCITT International Telegraph and Telephone Consultative Committee, a
telecommunications standardizing committee of the ITU.
Composite A band or grouping of frequencies and/or subcarriers, including video,
occupied by the signal in a radio transmission system. Same as
baseband signal.
dB Decibel.
dBm A unit of power measurement referenced to one milliwatt.
DMUX,
DEMUX Demultiplexer
DS3 45 Mbps traffic rate
Duplex A channel capable of transmitting information simultaneously in either
direction.
E1 2.048 Mbps traffic rate.
E3 34 Mbps traffic rate
EIA Electronic Industries Association, an industry association that
establishes various standards.
EMC Electromagnetic compatibility.
EOW Engineering Order Wire.
ERRS Errors.
ESD Electrostatic discharge.