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10BASE T
ADSL (Asymmetrical
Digital Subscriber Line)
AIS (Alarm Indicating
Signal)
AIS-L (Alarm Indicating
Signal-Line)
AIS-P (Alarm Indicating
Signal - Path)
ATM (Asynchronous
Transfer Mode)
Attenuation
ATU-C
ATU-R
BIP Error (Bipolar Error)
BER (Bit Error Rate)
BPDU (Bridge Protocol
Data Unit)
BPS (Bits Per Second)
CBR (Constant Bit Rate)
Avidia System Configuration and Management User Manual
The Institute of Electrical and Electronic Engineers (IEEE) 802.3 Ethernet
Specification.
A technology in which data is transferred from the service provider to the
subscriber at up to 7.5 Mbps, and transferred from subscriber to service
provider at up to 928 kbps.
Indicates an alarm on the line.
Indicates an alarm on the SONET line.
Indicates an alarm on the SONET path.
A high bandwidth, low delay, connection-oriented, packet-like switching
and multiplexing technique that uses 53-byte fixed-size cells to transmit
voice, video, and data over a network.
The dissipation of the power of a transmitted signal as it travels over
copper wire, measured in decibels (dB).
An ADSL Transceiver Unit at the service provider end of an xDSL
connection.
An ADSL Transceiver Unit at the remote end of an xDSL connection.
An error in which two consecutive "one" bits of the same polarity occur on
the line.
A measure of transmission quality. It is the ratio of error bits to the to the
total number of bits transmitted.
A unit of data sent across a bridge.
The number of bits transferred during each second of data transmission.
A traffic class that carries a guaranteed constant bandwidth. It is best
suited for applications that require fixed bandwidth, such as
uncompressed voice, video, and circuit emulation. CBR is a Quality of
Service class defined by the ATM Forum for ATM networks.
G
LOSSARY
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