HP 9000 Series 700, Manual

Page: 212 / 222

D
212
port groups In the DTC 16TN and DTC 72MX, the ports are grouped into port groups. Each
port group has eight ports. The DTC 16TN has two port groups, and the DTC 72MX
has three port groups per board. Each port group can be modem or direct-connect. A
port group corresponds to a connector on a board of a DTC 72MX or to a connector
on a DTC 16TN.
printer name A character string of up to 16 characters specified in the DTC Manager
configuration to define a printer by name. A printer name can be shared by several
printers (port pool).
program captive
device See programmatic device.
programmatic access Access to devices by software running on a system. The HP DTC Device File
Access product, for example, allows HP-UX hosts to programmatically access
devices connected to a DTC.
programmatic
device A device operating under the control of a program running on a computer.
Programmatic devices can be used for input, output, or both, depending on the
device and how it is opened by the controlling program.
R
remote node Any network node that is physically separate from the node you are currently using
or referring to.
RMP Remote Maintenance Protocol. HP proprietary protocol used in DTC management.
RS-232-C The Electronic Industries Association (EIA) Level 1 protocol specification that
defines electrical circuit functions for 25 connector pins. Hewlett-Packard provides
two implementations of this standard: a 3-pin version for direct connections up to a
distance of 15 meters (50 feet), and a version which makes use of additional circuits
and can be used for either modem or direct connections.
RS-423 The Electronic Industries Association (EIA) Level 1 protocol specification
implemented by HP in a 5-pin version which can be used for direct device
connection up to a distance of 1500 meters (4000 feet).