Agilent Technologies HSSI WanProbe J3916A - Manual (Page 153)

Glossary
133
Agent
A node (or software/hardware on a node) that supplies network management
information.
ANSI (American National Standards Institute)
The United States coordinating organization for voluntary standards.
ASCII (American Standard Code for Information Interchange)
Seven bit code providing a total of 128 upper and lower case letters, numerals,
punctuation marks, and control characters. Also referred to as CCITT Alphabet
Number 5.
AT&T
American Telephone and Telegraph Company.
Auto-Negotiation
The process by which a probe determines the network speed and automatically
sets its own configuration to match that speed.
Bandwidth
The range of frequencies within which transmission equipment (such as electric
cable or fibre-optic waveguide) can transmit data.
Battery-backed RAM
The probe’s memory that contains a copy of the probe configuration. If power is
removed from the probe (either by unplugging the power cord or from a power
outage), this memory is preserved by power provided by the probe's internal
battery.
BECN (Backward Explicit Notification Bit)
Frame Relay flow control mechanism used to notify the sending node (or source
end) that there is network congestion on the outbound path. The suggested
response is to reduce the frame rate into the network.