This is a scale drawing of the intersection including Cabinet
Assembly position, detector loop positions and specification, cable
routing and poles with signal head arrangements.
Document produced by Siemens, which details the hardware
required for the ST750 and includes Site Data, usually in the form of
a printout of the data entered on the configurator.
1.6 Abbreviations
AC Alternating Current
AGD Above Ground Detector
BIT Binary digit (i.e. `0' or `1')
CET Cable Earth Terminal
CLF Cableless Linking Facility
CLS Central Light Source
CPU Central Processing Unit
DC Direct Current
DFM Detector Fault Monitor
ELV Extra Low Voltage
EPROM Erasable Programmable Read Only Memory
FT Fixed Time
IC Integrated Circuit
IC4 ST800 Configurator
I/O Input/Output
I/P Input
LED Light Emitting Diode
LV Low Voltage
ms milliseconds
NLM No LMF Module
OMU Outstation Monitor Unit
OTU Outstation Transmission Unit
PCB Printed Circuit board
PLD Programmable Logic Device
PROM Programmable Read Only Memory
PSU Power Supply Unit
RAM Random Access Memory
RCD Residual Current Device
RFL Reset Fault Log (handset command)
RMS Root Mean Square
ROW Right Of Way
RTC Real Time Clock
SA Speed Assessment
SDE Speed Discrimination Equipment
ST Self Tuning
UTC Urban Traffic Control
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