IBM 3745 Series Service Functions page 296

OHR
OR halfword register
PSS
power subsystem
OLT
online test
PSTCE
product support trained CE
OLTEP
online test executive program
PSTY
power supply type
OLTSEP
online test stand-alone execution
PSV
program status vector
(program)
PSW
program status word
OLTS
online test system
PSx
power supply type x
OLTT
online terminal test
PTCE
product-trained CE
OMB
out mailbox
PTER
power bus terminator
OP
operation decode
PTF
program temporary fix
OS
Operating System
PTT
Post, Telephone and Telegraph
OSL
outbound serial link
(agency)
PAC
power analog card
PU
physical unit
PAP
previous adapter present
RC
receive clock
PAR
problem analysis and repair
RCDB
reference code data base
PC
personal computer
RCV
receive
PCB
power control bus
RD
receive data (signal)
PCF
primary control field (storage)
ROB
reference code data base
PCI
program-controlled interrupt
RECFMS
record formatted maintenance statistics
PCR
power check reset
RECMS
record maintenance statistics
PCSS
power control subsystem
REQMS
request for maintenance statistics
PCW
processor control word
RETAIN
Remote Technical Assistance Informa-
PCWC
power control wrap card
tion Network
PO
problem determination
RFS
ready for sending (signal) (or clear to
send CTS)
PDAID
problem determination aids
RH
request/response header
PDB
power distribution board
RIM
request initialization mode (SDLC)
PDF
parallel data field (storage)
RLSD
receive line signal detector
PE
Product Engineering
RNIO
OS/VS VT AM 10 trace
PEP
partitioned emulation program
ROK
. read-only key
PF
programmable function
ROS
read-only storage
PFAR
prefetch address register
ROSAR
read-only storage address register
PI
power indication (signal)
RPO
remote power-off
PIO
program-initiated operation
RPQ
request for price quotation
PIRR
program interrupt request register
RSET
receive signal element timing (same as
PIU
pass information unit RC)
PLC
power logic card
RSF
remote support facility
PIN
part number
RTC
retry count (X.21)
PND
present next digit (signal)
RTM
retry timer (X.21)
POPR
prefetch operation register
RTS
request to send (signal)
POR
power-on reset
RU
request/response unit (SNA)
PROM
program able read-only memory
RVI
reverse interrupt (8SC)
PS
power supply
RIW
read/write
PSA
program status area
s
second
List of Abbreviations
X-s