Focal 923 User Manual page 5

ADC
Analog to Digital Converter
CRC Cyclic Redundancy Check
ECL Emitter Coupled Logic (Vcc = 0V)
EIA Electronic Industries Association
ESD Electrostatic Discharge
ESR Electrical Slip Ring
FORJ Fiber Optic Rotary Joint
FPSO Floating Production, Storage and Offloading
HUMS
Health and Usage Monitoring System
I/O
Input/output
IC Integrated Circuit
kbps Kilobits Per Second
LED Light Emitting Diode
MB Megabytes
Mbps Megabits Per Second
NRZ Non-Return to Zero (bit signaling format)
PCB Printed Circuit Board
PCBA Printed Circuit Board Assembly
PECL Positive Emitter Coupled Logic (Vcc = +5 V)
P/N
Part Number
RPM Revolutions Per Minute
SMT Surface Mount Technology
SPI Serial Peripheral Interface
TDM Time Division Multiplexer / Multiplexing
TTL Transistor-Transistor Logic
UART Universal Asynchronous Receiver/Transmitter
uC Microcontroller
Focal Technologies Corporation
A Moog Inc. Company
ACRONYMS AND ABBREVIATIONS
Model 923 Data Logger – User Manual
Document No: 923-0603-01, Rev. 2
Page v