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Appendix A: Glossary
A-16
SCS Control Code Table for an IBM 4028
Code Name
EBCDIC Value
SHF Set Horizontal Format 2BC1
HT Horizontal Tab 05
VT Set Vertical Format 2BC2
VCS Vertical Channel Select 04
LF Line Feed 25
FF Form Feed 0C
IRS Inter-Record Separator 1E
NL New Line 15
CR Carriage Return 0D
BS Back Space 16
SLD Set Line Density 2BC6
STO Set Text Orientation 2BD10683
SPD Set Print Density 2BD2NN29
PPM Page Presentation Media 2BD2NN48
TRN Transparent 35
BEL Bell 2F
ENP Enable Presentation 14
INP Inhibit Presentation 24
GE Graphic Escape 08
SA Set Attribute 28
SCO UNIX. A PC-based UNIX developed by the Santa Cruz Operation.
Segment. A physically or logically separate part of a network, usually a different cable, that is
joined with other segments of the network via a repeater, bridge, or router to form the complete
network.
Serial Port. On a printer or print server, a port that transfers data one bit at a time. Serial ports
usually have either 25-pin, 9-pin "D", or RJ45 connectors.