NS3000/iX NMMGR Screens Reference Manual - Edition 8 (36922-90038)
318 Glossary
Glossary
backup configuration file A
file that contains a copy of the
information contained in the
configuration file.The backupfile,
called NMCBACK.group.account
by default, is updated each time
the configuration file is
successfully validated.
banner A welcome message
displayed on your screen. On the
local OpenView workstation a
banner appears when a remote
connection is established with the
OpenView DTC Manager. A
banner also can appear when you
log on to MPE.
baud The measure of the speed
at which information travels
between devices, most commonly
used in reference to terminal
speed settings. Baud represents
signal events per second. When
one bit represents each signal
change, baud is the same as “bits
per second.”
binary mode A data-transfer
scheme in which no special
character processing is
performed. All characters are
considered to be data and are
passed through with no control
actions being taken.
bit Binary digit. A unit of
information that designates one
of two possible states, which are
represented by either 1 or 0.
block mode A terminal
processing mode in which groups,
or “blocks,” of data are
transmitted all at once.
BNC T-Connector A connector
used to connect a computer or a
component such as a DTC to the
LAN in a ThinLAN configuration.
boundary See network
boundary.
bps Bits per second. The number
of bits passing a point per second.
broadcast Communication
method of sending a message to
all devices on a link
simultaneously.
byte A sequence of eight
consecutive bits operated on as a
unit.
C
call In X.25, a call is an attempt
to set up communication between
two DTEs using a virtual circuit.
Also known as a virtual call.
call collision A conflict that
occurs at a DTE/DCE interface
when there is a simultaneous
attempt by the DTE and DCE to
set up a call using the same
logical channel identifier.
called address When a node
sends out a call request packet,
the packet contains the address of
the destination node. The address
of the destination node is the
called address.
calling address When a node
receives an incoming call packet,
the packet contains the address of