HP e3000/iX Network Planning and Configuration Guide (36922-90037)

268 Glossary
Glossary
destination address. When this
number (K) frame is reached, the
same K frames are retransmitted.
unedited mode See
transparent mode.
V
V.24 The CCITT recommendation
that defines the function of the
interchange circuits between a
DTE and a DCE.
validation The process of
ascertainingwhetherthenetwork
transport configuration file has
been correctly configured. In
guided NMMGR, you do this by
pressing the Validate Netxport
key.
VAN Value-added network. A
datacommunication networkthat
uses and pays for facilities
belonging to another carrier. The
value-added package is then sold
to a user.
VC See virtual circuit.
virtual circuit A logical
association between two
physically separate DTEs.
virtual terminal A network
service that allows a user to
establish interactive sessions on a
node.
VPLUS Software used to
generate screens such as those
displayed by NMMGR.
V-Series (V.##) CCITT A set of
CCITT recommendations related
to data communication over a
voice-grade telephone network.
VT See virtual terminal.
W
workstation configurator A
utility (TTUTIL) that allows
users to create customized
terminal and printer types by
entering data through a series of
VPLUS screens.
X
X.3 Defines the user facilities
that should be internationally
available from the packet
assembler/disassembler (PAD)
facility when this is offered by a
public data network.
X.21 Defines the physical
interface between a DTE and a
DCE of a public data network
where the access to the network
is made over synchronous digital
lines.
X.25 Defines the interface
between a DTE and a DCE for
packetmode operation on a public
data network (PDN).
X.25 address The X.25 address
provided by the network
administration if you are
connected to a public data
network (PDN).
X.25 address key An X.25
address key is a label that maps a
node’s IP address to its X.25