MPI Technologies 2100 manual Simm

Abbreviation	Full name	Explanation
PPR	Page Printer Requester	Enhanced version of
		LPR/LPD. The
		enhancement enables bi-
		directional
		communication when
		printing. Not part of the
		standard TCP/IP stack
		(programs). Used by ida
		PSS, ida HPR and PSF.
		Works only in conjunction
		with PPR. The sender of a
		print job via TCP/IP will
		be PPR and the receiver
		will be PPD.
PSF	Print Service Facility	IBM printer driver for AFP
		printing. Converts line
		data and AFP data to
		IPDS only. PSF/AIX and
		PSF/2 is capable of
		converting the data to
		PCL as well.
		PSS (ida PSS) Print
		Subsystem Print
		system for OS/390 (MVS)
		and VM systems. Prints
		AFP and line data files on
		all remote printers, NOT
		channel attached
		printers.
RAM	Random Access Memory	Memory chip that is able
		to store information while
		powered on. RAM can be
		‘written’ an indefinite
		number of times.
SCS	SNA Character String	Control information for
		simple print formatting
		like e.g. set CPI, LPI and
		Form Feed.
SIMM	Single Inline Memory
	Module
SNA	Systems Network	IBM networking concept
	Architecture	usually for Mainframe and
		AS/400. On mainframes
		the actual program that
		implements SNA is called
		VTAM.

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