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IBM 6400 Series Maintenance Manual

IBM 6400 Series
428 pages
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361
Abbreviations and Signal Mnemonics
No. Number
. . . . . . . . . . . . . . . . .
NOVRAM Non-volatile Random-Access Memory.
. . . . . . . . . . .
ns nanosecond (10
–9
second)
. . . . . . . . . . . . . . . . . .
NVRAM Non-volatile Random-Access Memory.
. . . . . . . . . . . .
NT Not
. . . . . . . . . . . . . . . . . .
OLV On Line Verify.
. . . . . . . . . . . . . . . .
OP Operand
. . . . . . . . . . . . . . . . . .
P5 + 5 V dc.
. . . . . . . . . . . . . . . . .
(P) Pin connector.
. . . . . . . . . . . . . . . . .
P(1), P(2), etc. Parallel data 1, data 2, etc..
. . . . . .
PAL Programmable Array Logic.
. . . . . . . . . . . . . . . .
PAP Paper
. . . . . . . . . . . . . . . . .
PAPR Paper
. . . . . . . . . . . . . . .
PARM Parameter
. . . . . . . . . . . . . . .
PCBA Printed Circuit Board Assembly.
. . . . . . . . . . . . . .
PCB Printed Circuit Board.
. . . . . . . . . . . . . . .
PE Printer Error, Paper Empty.
. . . . . . . . . . . . . . . . .
PER Peripheral Device.
. . . . . . . . . . . . . . .
PF picofarad (10
–12
farad).
. . . . . . . . . . . . . . . . .
PFC Paper Feed Controller.
. . . . . . . . . . . . . . . .
PFM Paper Feed Motor.
. . . . . . . . . . . . . . .
PHA Phase
A
.
. . . . . . . . . . . . . . .
PHB Phase
B
.
. . . . . . . . . . . . . . .
PI Paper Instruction.
. . . . . . . . . . . . . . . . . .
PLAT Platen
. . . . . . . . . . . . . . . .
PLM Platen Motor.
. . . . . . . . . . . . . . .
PLO Platen Open (Switch).
. . . . . . . . . . . . . . . .
PMD Paper Motion Detect (Switch).
. . . . . . . . . . . . . . .
PN Pin
. . . . . . . . . . . . . . . . . .
P/N Part Number.
. . . . . . . . . . . . . . . .
PO Paper Out.
. . . . . . . . . . . . . . . . .
POD Paper Out Detect (Switch).
. . . . . . . . . . . . . . .
PPR Paper
. . . . . . . . . . . . . . . .
PROM Programmable Read-Only Memory.
. . . . . . . . . . . . . .
PS Power Supply.
. . . . . . . . . . . . . . . . .
PS5 Power Supply + 5 Volt.
. . . . . . . . . . . . . . . .
PTR Pointer or Printer.
. . . . . . . . . . . . . . . .
PWM Pulse Width Modulation.
. . . . . . . . . . . . . . .

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IBM 6400 Series Specifications

General IconGeneral
BrandIBM
Model6400 Series
CategoryPrinter
LanguageEnglish

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