Siemens ST950 Plus+ - Page 12

ST950 Plus+ User Manual
ST950 Plus+ User Manual
Page 12 of 176
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Abbreviation
Meaning
HTTP
Hypertext Transfer Protocol
HTTPS
HTTP Secure
IC4
Intersection Configurator v.4 (UK controller configuration application)
IDB
Intelligent Detector Backplane
I/O
Input/Output
ITS
Intelligent Traffic Systems
KOP
Kit of Parts
LED
Light Emitting Diode
LMU
Lamp Monitoring Unit
LPU
Logic Power Unit
LSLS
Lamp Switch Low-Voltage Serial
NTP
Network Time Protocol
OCSP
Online Certificate Status Protocol
OTU
Outstation Transmission Unit
OSS
Outstation Support Server (may be stand-alone or part of Stratos)
PCB
Printed Circuit Board
PDU
Pedestrian Demand Unit
PI
Periodic Inspection
PROM
Programmable Read Only Memory
RAG
Red Amber Green
RAM
Random Access Memory
RCD
Residual Current Device
rms
Root Mean Square
RMS
Remote Monitoring System
RTC
Real Time Clock
SA
Speed Assessment
SDE
Speed Discrimination Equipment
SEB
Sealing and Earth Bar
SSH
Secure Shell
TCP
Transmission Control Protocol
TLS
Transport Layer Security
UDP
User Datagram Protocol
UTC
Urban Traffic Control