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