Asynchronous Serial Communications Programmer's Reference Manual (32022-90052)

310 Glossary
Glossary
links, or DTC Telnet Access. Each
slot allows up to 8 direct
connections or 6 modem
connections. A DTC 48 may have
up to 3 slots used for X.25 links,
each supporting up to 256 virtual
circuits at speeds of up to 64 Kbps
or one Telnet Access Card with 40
Telnet connections to HP 3000
Series 900 connections.
DTC 72MX HP J2070A product.
A DTC that provides 3 slots
allowing up to 72 asynchronous
connections. Each slot
accommodates up to 24 direct or
modemconnections. ADTC72MX
may have up to 3 slots used for
X.25 links, each supporting up to
256 virtual circuits at speeds of
up to 64 Kbps. It may also use one
slot for Telnet Access Card with
40 Telnet connections to HP 3000
Series 900 computers.
DTC identifier An identifier
used only within NMMGR to
define the branch of the
configuration file containing
information about a particular
DTC. The identifier must begin
with a letter and can be up to
eight characters long.
DTC Manager See OpenView
DTC Manager.
DTC node name A uniquename
used to identify a DTC on a LAN.
The node name format is
nodename.domain.organization,
with each of the three parts
having up to 16 characters. The
name begins with either a letter
or a digit.
DTC station address (802.3
address) A 12-digit hexadecimal
number used to identify the DTC
as a node belonging to the
networkconfiguration.Alsocalled
the LAN address or node address.
DTC switching A facility
enabling terminal users to select
any host system that they want to
connect to. DTC switching is
available only when the
OpenView DTC Manager is used
for network management.
DTC/X.25 Network Access The
software that resides on the
Datacommunications and
Terminal Controller (DTC). To
configure access to an X.25
network, you must configure two
software components: the X.25 iX
System Access (residing on the
HP 3000 host and configured
through use of NMMGR
software),and DTC/X.25Network
Access (configured on the
OpenView Windows Workstation
through use of the OpenView
DTC Manager software for
PC-based management, and
through NMMGR for host-based
management).
DTC/X.25 Network Access
card The hardware card and
channel adapter that provides
X.25 Network Access. It resides in
the Datacommunications and
Terminal Controller (DTC).
DTC/X.25 iX Network Link
Software and hardware that
provides MPE/iX accesstoprivate
and public X.25 networks. The