Abbreviations And Definitions - Siemens ST750 Configuration Handbook

Abbreviations and Definitions

1.6
Abbreviation Definition
ELV Extra Low Voltage
LV Low Voltage
I/O Input / Output
LT Loop Termination
CPU Central Processor Unit
LSLS Lamp Switch Low Power Serial (ELV controller only)
LSC Lamp Switch Card
IOC Input/Output Card
IDB Intelligent Detector Backplane
HPU High Power Unit (ELV controller only)
PCB Printed Circuit Board
PLD Programmable Logic Device
OTU Outstation Transmission Unit
TC12 Tele Command 12
RMS Remote Monitoring System
OMU Outstation Monitoring Unit
MOVA Microprocessor Optimised Vehicle Actuation
SDE/SA Speed Discrimination Equipment / Speed Assessment
DFM Detector Fault Monitor
EWD Electronic Wireless Device
MCB Mini Circuit Breaker
HFF Hardware Fail Flash
PSU Power Supply Unit
TBA To Be Added
POE Power Over Ethernet
PSU Power Supply Unit
Security classification
Version
Last Editor
Document Name
Copyright © Mobility 2017. All Rights Reserved.
Table 2
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008
Nathan Fearnhead
Configuration Control
Mobility is a division of Siemens Plc
Mobility and Logistics, Traffic Solutions
Sopers Lane, Poole, Dorset, BH17 7ER
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Page
Released
Status
16/06/2017
Date
667/CC/32750/000
Document No.