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Tender invited for Development of Train Collision Avoidance System

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ISO 9001: 2008 Effective from 18.06.2012 RDSO/SPN/196/2012 Version 3.1.1<br />

Document Title : Specification <strong>of</strong> <strong>Train</strong> <strong>Collision</strong> <strong>Avoidance</strong> <strong>System</strong><br />

2.2 Wherever in this specification, any <strong>of</strong> the above mentioned specifications are<br />

referred, the latest version/ issue <strong>of</strong> the same is implied.<br />

3. Terminology& Definitions<br />

3.1 List <strong>of</strong> abbreviations:<br />

Abbreviation Full Form/ Description<br />

ABT Automatic Brake Test<br />

AC Alternating current<br />

ART Accident Relief <strong>Train</strong><br />

BIU Brake Interface Unit<br />

BBU Battery Back-up Unit<br />

CENELEC European Committee <strong>for</strong> Electrotechnical Standardization<br />

CTS Clear To Send<br />

DC Direct Current<br />

DEMU Diesel-Electric Multiple Unit<br />

DOX Data Activated Transmit<br />

DPWCS Distributed Power Wireless Control <strong>System</strong><br />

ECR Lamp Checking Relay<br />

EMC Electromagnetic compatibility<br />

EMI Electromagnetic interference<br />

EMU Electrical Multiple Unit<br />

EPROM Electrically Programmable Read Only Memory<br />

ERTMS European Rail Traffic Management <strong>System</strong><br />

ETCS European <strong>Train</strong> Control <strong>System</strong><br />

FCC Federal Communications Commission<br />

FMEA Failure Mode Effect Analysis<br />

FRS Functional Requirement Specification<br />

FSK Frequency-shift keying<br />

FSS First Stop Signal<br />

G&SR General & Subsidiary Rules<br />

GPS Global Positioning <strong>System</strong><br />

GSM Global <strong>System</strong> <strong>for</strong> Mobile Communications<br />

IBS Intermediate Block Signal<br />

IEC International Electrotechnical Commission<br />

ITU-T International Telecommunication Union -<br />

Telecommunication Standardization Sector<br />

Kmph Kilometers Per Hour<br />

LC Level Crossing<br />

LSS Last Stop Signal<br />

MEMU Mainline Electrical Multiple Unit<br />

MIE Microprocessor/ Micro-controller based Intelligent<br />

Equipment<br />

MTBF Mean Time Between Failures<br />

Signal Directorate RDSO/Lucknow Page 9 <strong>of</strong> 56

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