Using the Node Management Services (NMS) Utilities (32022-90053)

Glossary 325
Glossary
components: the X.25 iX System
Access (residing on the HP 3000
host), and the DTC/X.25 Network
Access. DTC/X.25NetworkAccess
is configured through use of the
OpenView DTC Manager
software for systems using
PC-based network management
or through NMMGR for systems
using host-based network
management.
X.29 Defines the interface for
data exchange between a
packet-mode DTE and a remote
packet assembly/disassembly
(PAD) facility over a packet
switching network.
XON/XOFF protocol Flow
control used by MPE/iX systems
to protect against data overruns.
XON/XOFF protocol is controlled
by the data recipient who sends
an XOFF character (ASCII DC3)
to the sender if it is unable to
continue to receive data. The
sender suspends transmission
until it receives an XON
character (ASCII DC1).
X.Series (X.##) CCITT
recommendations A set of
recommendations for data
communication networks
governing their services,
facilities, and the operation of
terminal equipment and
interfaces.