iolp(7)              INTERACTIVE UNIX System              iolp(7)



          NAME
               iolp - UnTerminal parallel printer interface

          DESCRIPTION
               The iolp driver is part of the UnTerminal I/O network
               adapter (IONA) facility.  It provides the support for con-
               necting a line printer to the parallel port of an UnTerminal
               remote station.  The close waits until all output is com-
               peted before returning to the user.  The lp driver allows
               only one process at a time to write to the printer.  If it
               is already busy, an open for writing will return an error.
               However, the driver allows multiple opens to occur if they
               are read-only.

               When the parallel printer interface is used on a remote sta-
               tion connected to an IONA board, the modem bit is disabled
               on the serial interface (see iona(7)) for that station.  A
               limitation in the number of wires used by the UnTerminal
               hardware requires that the modem line be shared by both the
               asynchronous and the parallel printer interfaces.

          FILES
               /dev/lp*
               /dev/iolp*

          SEE ALSO
               iona(7), lp(7), vna(7).

          ADDED VALUE
               This entry, supplied by INTERACTIVE Systems Corporation, is
               an extension of UNIX System V.
























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