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

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• Chapter 6, “Typeahead Mode,” describes the programmatic controls
involved in the use of typeahead mode. Code fragments illustrate the
use of these controls.
• Chapter 7, “Programming for PAD, DTC Telnet, Telnet/iX Server,
and VT Devices,” describes how PAD and DTC Telnet connections
are implemented through DTCs. For PAD connection, a DTC must
be equipped with a DTC/X.25 Network Access Card, and for DTC
Telnet connections a DTC must be equipped with a Telnet Access
Card. Both pieces of hardware require the appropriate OV DTC
Manager network management software. This chapter explains
differences involved with the programmatic control of these devices.
This chapter also describes how connections are implemented via
the Telnet/iX Server and via Virtual Terminal (VT) services.
• Chapter 8, “Intrinsics Reference,” contains a detailed description of
the MPE/iX Native Mode intrinsics that are most useful for the
programmatic control of asynchronousdevices. Describes the syntax,
parameters, and condition codes or status return for each. When
applicable, functional returns, special considerations, and references
to additional sources of information are included.
• Appendix A, “Comparing MPE/iX Systems to MPE V Systems,”
provides a comparison between asynchronous devices connected to
an MPE V system and those connected to an MPE/iX system.