Configuring Systems for Terminals, Printers, and Other Serial Devices (32022-90051)
Chapter 9 171
Describing Asynchronous Devices
9 Describing Asynchronous Devices
This chapter discusses the following concepts:
• How the HP 3000 Series 900 initially recognizes devices and how it
communicates with them from that time on.
• How devices are owned, who can own them, and the restrictions that
apply when a device is owned.
• How the MPE/iX file system perceives devices and its response to
some of their characteristics.
• How different device operation modes set the functionality of
devices.
• How the connection type sets certain device characteristics.
This chapter also discusses processes that are internal to the
Datacommunications and Terminal Subsystem (DTS)
• How to control the flow of data.
• How to control terminals.
• How to control printers.