Agilent Technologies aurora Duet, User Manual

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Glossary - 2 428856
aurora
Duet
Basic & Primary Rate ISDN Tester - User Guide
BER
Bit Error Ratio. (Also called Bit Error
Rate. It is a measure of transmission
quality. It is the number of bits received
in error during a transmission, divided
by the total number of bits transmitted
in a specific interval.)
BERT
Bit Error Rate Test determines the
probability of a single bit being
misinterpreted over a defined period of
time. It is determined by synchronizing
and then comparing th received pattern
with the binary test pattern as
transmitted and counting any errors
detected.
BRI
Basic Rate Interface.
CCITT
International Telegraph and Telephone
Consultative
Committee (acronym of
the letters in French). A committee of
the International Telecommunications
Union (ITU), an agency of the United
Nations, organised into 15 study groups
that set standards or recommendations
for telecommunications. An
organisation with representatives from
world governments.
Channel
Refers to the path for transmission of
information. It may be physical or
logical.
Circuit
In telecommunications it usually refers
to a link connecting two or more nodes.