HP auroraTempo User Manual page 269

Bit Error Rate Test. A BER Test tests the integrity and quality
BER Test
of the physical communications channel. It does this by
generating a test pattern which it then receives. The received
pattern is then compared with the transmitted pattern and
an error count is given.
BPV BiPolar Violation.
A device for connecting two or more LANS.
Bridge
The International Telegraph and Telephone Consultative
CCITT
Committee. This is the former name of the ITU-T. This
organization sets international standards and
recommendations for the telecommunications industry.
Refers to the path for transmission of information. It may be
Channel
physical or logical.
Committed Information Rate. This defines the minimum
CIR
level of service expected for a virtual circuit.
In telecommunications this is a link connecting two or more
Circuit
nodes.
A type of network where a circuit is established and
Circuit
maintained between the communicating parties for the
Switching
duration of the call.
This is the maximum number of bits that the network
Committed
attempts to deliver, under normal conditions, within a given
Burst
time period.
Size (Bc)
This is the given time period used in the formulation of the
Committed
Committed Information Rate and Burst Size.
Time Interval
(Tc)
CPN Calling/Called Party Number.
Issue 1a - 10/99
Appendix 4 - Glossary
A4 - 3