IBM 6400 Series Maintenance Manual

359
Abbreviations and Signal Mnemonics
DSR Data Set Ready.
. . . . . . . . . . . . . . .
DTR Data Terminal Ready. . . . . . . . . . . . . . . .
EC Engine Controller (a functional unit of the CMX board). . . . . . . . . . . . . . . . . .
EEPROM Electrically Erasable/Programmable Read-Only Memory. . . . . . . . . . . .
EHF Exhaust Fan. . . . . . . . . . . . . . . . .
EL Elevator (motor), Power Stacker. . . . . . . . . . . . . . . . . .
EMI ElectroMagnetic Interference. . . . . . . . . . . . . . . . .
EMIT Emitter . . . . . . . . . . . . . . . .
EPROM Electrically Programmable Read-Only Memory. . . . . . . . . . . . .
ERR Error . . . . . . . . . . . . . . . .
ESD Electrostatic Discharge. . . . . . . . . . . . . . . .
EX Exhaust, Extra. . . . . . . . . . . . . . . . . .
EXH Exhaust . . . . . . . . . . . . . . . .
EXF Exhaust Fan. . . . . . . . . . . . . . . . .
EXP Expansion . . . . . . . . . . . . . . . . .
EXPND Expand . . . . . . . . . . . . . .
FD Feed . . . . . . . . . . . . . . . . . .
FF Form Feed. . . . . . . . . . . . . . . . . .
FIFO First In, First Out. . . . . . . . . . . . . . . .
FLT Fault . . . . . . . . . . . . . . . . .
FLTR Filter . . . . . . . . . . . . . . . .
FP Front Panel (Operator Panel). . . . . . . . . . . . . . . . . .
FTIC Fire Timer Integrated Circuit. . . . . . . . . . . . . . . .
GND Ground . . . . . . . . . . . . . . . .
HB Hammer Bank. . . . . . . . . . . . . . . . . .
HBA Hammer Bank ASIC . . . . . . . . . . . . . . . .
HBF Hammer Bank Fan. . . . . . . . . . . . . . . . .
HBL Hammer Bank, Left. . . . . . . . . . . . . . . . .
HBP Hammer Bank Power. . . . . . . . . . . . . . . .
HBR Hammer Bank, Right. . . . . . . . . . . . . . . .
HD Hammer Driver. . . . . . . . . . . . . . . . . .
HDIC Hammer Driver Integrated Circuit. . . . . . . . . . . . . . . .
HDPH Hammer Driver Phase. . . . . . . . . . . . . . .
HLP Hammer Bank Logic, Signals and Power. . . . . . . . . . . . . . . . .

IBM 6400 Series Specifications

General

Brand	IBM
Model	6400 Series
Category	Printer
Language	English