Printronix P9012, Maintenance Manual

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C–2 Mnemonics
CNTLCD Control Code Detected (Parallel) . . . . . . . . . .
COLOR Color Address Select . . . . . . . . . . .
COM Communication to Hammer Drivers . . . . . . . . . . . . .
COM1 COM Data Line Optically Isolated . . . . . . . . . . . .
COMOUT COM Data Output to Next H.D. . . . . . . . . .
CSENSE1,2 Ribbon Color Sense Inputs . . . . . . . .
CSPARE1,2 Color Spare Output . . . . . . . .
CTS Clear to Send . . . . . . . . . . . . . .
DBA1–23 Buffered Address 1–23 . . . . . . . . . .
DBD0–15 Buffered Data 0–15 . . . . . . . . . .
DCD Data Carrier Detect . . . . . . . . . . . . . .
DCMOD DC Motor Modulation . . . . . . . . . .
DCUDATA DCU Data Ready for MCU . . . . . . . . .
DEL Delete Code Detected (Parallel) . . . . . . . . . . . . . .
DELEN Delete Code Detect Enable . . . . . . . . . . .
DRQ Data Request . . . . . . . . . . . . . .
DRQPOL Data Request Strobe Polarity . . . . . . . . . .
DRQSTB Data Request Strobe . . . . . . . . . .
DSR Data Set Ready . . . . . . . . . . . . . .
DTR Data Terminal Ready . . . . . . . . . . . . . .
EXTCLK External Clock . . . . . . . . . .
FIRE0–2 Hammer Fire 0 to 2 . . . . . . . . . . .
FPLAMP1 Front Panel Lamp 1 . . . . . . . . .
FPLAMP2 Front Panel Lamp 2 . . . . . . . . .
GND Ground . . . . . . . . . . . . . .
HESA,B,C Hall Sense A,B,C . . . . . . . . .
HESPWR Hall Sense Power . . . . . . . . . .
HRS Hammer Reset . . . . . . . . . . . . . .
HSC Shift Clock for communication to Hammer Drivers . . . . . . . . . . . . . .
IL Interlock Switch . . . . . . . . . . . . . . . .
INTPOL Interface Polarity . . . . . . . . . . .
IPL2 Interrupt Level 2 . . . . . . . . . . . . . .
LATSTB Latch Strobe . . . . . . . . . . .