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AGILE 5250 ALLY Users Guide and ReferencePage G-8
Protocol A set of rules governing the format of
data and the control of information
interchange between two
communicating devices.
Protocol converter A device that takes input in one data
communications format and outputs the
data in another communications format.
PSF Print Services Facility.
R
RAM Random access memory. Used for
temporary storage of information.
Rasterizer A device that converts an image
sequentially line by line, instead of by
vector.
Reset To return components to a specified
static state.
Right margin The last column at which data can be
printed on a page.
RM Right margin.
ROM Read-only memory.
S
SCS SNA character string. EBCDIC control
codes that are used to format data.
Sense codes An SNA code that describes an
exception condition.
Set horizontal format The SCS command that describes left
and right margins and horizontal tab
stops.
Set vertical format The SCS command that describes top
and bottom margins and vertical tab
stops.
SHF Set horizontal format.
SLD Set line density.
SNA System network architecture. An IBM
communication standard.