AGILE 5250 ALLY Users Guide and Reference
Page 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.
