
T400 Controller Facilities Manual
667/EB/20200/000 Page 1-2 Issue 9
1.1 GLOSSARY OF TERMS
Abbreviations
AC Alternating Current
CET Cable Earth Terminal
CLF Cableless Linking Facility
CLU Cableless Linking Unit
CMOS Complementary Metal Oxide Silicon
CPU Central Processing Unit
CRC Cyclic Redundancy Code
CVT Constant Voltage Transformer
DC Direct Current
DFM Detector Fault Monitor
ELCB Earth Leakage Circuit Breaker
EMxxxxx Controller Identity Number (Electromatic)
EPROM Erasable Programmable Read Only Memory
FT Fixed Time
FVP Fixed Vehicle Period (Pelican mode)
GP General Purpose
GR “GR” Electronics Ltd.
I/G Intergreen
I/O Input/Output
I/P Input
KOP Kit of Parts
LCD Liquid Crystal Display
LED Light Emitting Diode
LMU Lamp Monitor Unit
LRT Light Rail Transit
LRV Light Rail Vehicle
LSTTL Low Power Schottky Transistor Transistor Logic
mA Milliamps
MC Manual Control
MOVA Microprocessor Optimised Vehicle Actuation
mS MilliSeconds
MTC Master Time Clock
MTCS Master Time Clock System
NLT No Left Turn
NRT No Right Turn
OMCU Outstation Monitor and Control Unit
OMU Outstation Monitor Unit
OTU Outstation Transmission Unit
PCB Printed Circuit Board
PPM Parts Per Million
PROM Programmable Read Only Memory
PSU Power Supply Unit
RAM Random Access Memory
RCD Residual Current Device
RFL Reset Fault Log (Handset Command)
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