Oki OKIFAX 5400 Maintenance Manual page 270

Meaning of abbreviations used in Block Diagram
A/D : Analog-to-digital converter
AMP : Amplifier
BATT : Battery
CNi : Connector number i
CPU : Central processing unit
D-MOTOR : Drum motor
DRV : Motor drive
DRAM : Dynamic random-access memory
EXSEED : Image proccessing gate array
FAN : Fan motor
FLASH : Flash memory
IOGA 3 : Input output gate array
PCi : Photocoupler number i
POW.UNIT : Power supply unit
PSRAM : Pseudo-SRAM
R-MOTOR : Resist motor
RTC : Real time clock
S-MOTOR : Send motor
SRAM : Static random-access memory
X'tal : Crystal oscillator
40838301TH Rev.1 A1 - 3
GENERAL