
GLOSSARY
XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE
GLOSSARY-31
CSR
customer support representative
DC
data center
DCE
data communications equipment
DDCMP
Digital Data Communication Message Protocol
DEC
Digital Equipment Corporation
DFA
Document Feeding and Finishing Architecture
DJDE
dynamic job descriptor entry
DMA
direct memory access
DMR
data mode ready (DEC interface for LPS)
DOS
disk operating system
dpi
dots per inch
DSDD
double sided double density
DSU
digital signal unit
DSR
disk save and restore
DSSD
double sided single density
DTE
data terminal equipment
EBCDIC
Extended Binary Coded Decimal Interchange Code
ECMA
European Computer Manufacturers Association
EMT
emulator trap
ENET
Ethernet network
EOT
end of tape
EP
electronic publishing
ESS
electronic subsystem, also referred to as the system controller