353
SHH Shuttle Hall (Effect)
SHM Shuttle Motor
SHUT Shuttle
SHUTL Shuttle
SIMM Single Inline Memory Module
SLCT Select (On-line)
Slew Rapid vertical paper movement
SMD Shuttle Motor Drive
SNA Systems Network Architecture
SPU Shuttle Processor Unit
SRAM Static Random-Access Memory
STAT Status
STBY Standby
STK Power Stacker
SW Switch
SYNC Synchronize
TCB Task Control Block
TEMP Temperature
TOF Top of Form (first print line)
TP Test Point
TTL Transistor-Transistor Logic
TXD Transmit Data
UART Universal Asynchronous Receiver/Transmitter
UDPH Upper Drive Phase
UNDEF Undefined
USART Universal Synchronous/Asynchronous
Receiver/Transmitter
VVolts
V
CC
Voltage at Collector
V
DD
Voltage at Drain
V
SS
Voltage at Source
VX A special ASIC containing circuits that help the DC
controller operate. The letters VX do not stand for
anything; they simply designate this ASIC.