Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Security classification Unrestricted Page 10 of 92
Version 3 Status Issued
Last Editor Alan Doyle Date 05-Oct-2017
Document Name Stratos Outstation General and ICM Handbook Document No. 667/HB/52250/000
Copyright © Siemens plc 2014. All Rights Reserved. Mobility and Logistics is a division of Siemens Plc
1.4 Abbreviations
AC Alternating Current
CPU Central Processing Unit
CRL Certificate Revocation List
DC Direct Current
DHCP Dynamic Host Configuration Protocol
DNS Domain Name System
ELV Extra Low Voltage
ESP Enhanced Serial Port
GSPI Siemens proprietary protocol – General Serial Peripheral Interface
GPS Global Positioning System
HTTP Hypertext Transfer Protocol
HTTPS HTTP Secure
HPU ST900/950ELV High Power Unit
IDB Intelligent Detector Backplane
I/O Input / Output
IP Internet Protocol
LED Light Emitting Diode
LV Low Voltage (Mains)
mA milliamps
MDU ST800/900/950 Mains Distribution Unit
MOVA Microprocessor Optimised Vehicle Actuation
ms milliseconds
NTP Network Time Protocol
OCSP Online Certificate Status Protocol
OSS Outstation Support Server (may be stand-alone or part of Stratos)
OTU Outstation Transmission Unit
PSU Power Supply Unit
TCP Transmission Control Protocol
TLS Transport Layer Security
UDP User Datagram Protocol
UTC Urban Traffic Control
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