Download RDSO/SPN/144 - Indian Railway

Effective from .02.2014
Specification no. RDSO/ SPN/144/ 2014
Revision: 3
SAFETY AND RELIABILTY REQUIREMENT OF ELECTRONIC SIGNALLING EQUIPMENT
TABLE OF CONTENTS
S.No.
Item
Page Number
0.0
Foreword
7
1.0
Scope
9
2.0
General
9
3.0
Requirements
Manual
4.0
Fail-safety requirement
13
5.0
Hardware
14
6.0
Printed Circuit Board
17
7.0
Software Requirements
19
8.0
Transmission of Signalling Information
21
9.0
Environmental and Climatic Requirements
22
10.0
Power Supply Requirements
33
11.0
Lightning and Surge Protection for
33
of
Signal
Engineering
12
Electronic Signalling Equipment
12.0
Marking
38
13.0
Documentation
38
14.0
Packing
39
16.0
Annexure – I
List of Abbreviations
Page 6 of 38
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