IBM 3745 Service Functions page 280

0
EMEA Europe, Middle East, Africa hex hexadecimal
ENQ enquiry (SSC) hh hexadecimal value hh
EOT
end of transmission (SSC) HLiR high-level interrupt request
EP emulation program HLU highest logical unit (largest CPU in an
EPO
emergency power-off
establishment)
ERC error reference code
HPTSS high-performance transmission sub-
system
EREP environmental recording, editing, and
HSB high-speed buffer
printing (program)
ERP error recovery procedure
HSC high-speed channel
ESC
emulation subchannel (address)
HSS high-speed scanner
ESCH emulation subchannel high (address)
HW hardware
ESCL emulation subchannel.low (address)
Hz Hertz
ESO electrostatic discharge
indication (signal)
110
ETB end-of-transmission block character
lACK interrupt acknowledgement
Ij
(SSC) IAR instruction address register
ETX end-of-text character (BSC) IBE internal box error
:11
EXP expected IC insert character (instruction)
I
FAC flag address control (SDLC frame) ~CA integrated communication adapter
FCC Federal Communications Commission
ICB
interface control block (storage)
FCPS final call progress signals (X.21) ICF internal clock function
0
FCS frame check sequence ICT insert character and count (instruction)
FOO flexible disk drive ICW interface control word
FDS flat distribution system
10
identifier
FOX full-duplex (synonym for duplex) 1FT internal function test
FE field engineering 1MB in mailbox (MOSS)
I:
FEIS field engineering information system IML initial microcode load
FERR FESA error register
in. inch
I
FES front-end scanner IN input (instruction)
0
FESA front-end scanner adapter INN intermediate network node
I
FESH front-end scanner (high-speed)
INOP
inoperative (line, modem, or terminal)
FESL front-end scanner (low-speed) INS information network system
FI04 format identification 4 10C input/output control
FM
frequency modulation
10
input/output
FPS FES parameter/status 10CB input/output control bus
FRU field-replaceable unit 10CS input/output control system
ft
foot
10H
input/output halfword (instruction)
GPR general purpose register IOHI input/output halfword immediate
GPT generalized PIU trace
(instruction)
GTF generalized trace facility
IOIRR input/output interrupt request register
HCS Hardware Central Service
10SW input/output switch (card)
0
HOD hard disk drive
IPF instruction pre-fetch
HOX half-duplex
IPL initial program load
List of Abbreviations
X-5