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

32 Chapter1
Introduction
Datacommunications and Terminal Subsystem (DTS)
public PAD, as detailed in Chapter 7, “Programming for PAD, DTC
Telnet, Telnet/iX Server, and VT Devices,” of this manual. DTC Telnet
enables Telnet users to access MPE/iX hosts.
Additionally, terminals connected through DTCs on LANs managed by
the OpenView workstation may be configured so that they are capable
of establishing connections with more than a single MPE/iX system on
the LAN. This ability is referred to as DTC switching, and is possible
because the software that manages terminal connections resides on the
OpenView workstation, and not on a specific MPE/iX host system.
When switching is allowed the user at a terminal can select the MPE/iX
system to which they want a connection to be established through a
special DTC User Interfacer. See DTC Planning Guide for more
information on the DTC Services.
Figure 1-5 depicts a LAN managed by an OpenView workstation.
Figure 1-5 Network with OpenView Workstation