This Standard specifies definitions, classfication, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage for surge protective device (SPD) for railway signal system.
This Standard is applicable to production, maintenance, inspection and assessment of surge protective device (SPD) to protect railway signal system from lightning electromagnetic pulse induction damages. It may apply other electronic equipment (communication equipment and computer information system facility) in railroad system by reference.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties whose enter into agreement according to this Standard are encouraged to research whether the latest editions hereof are applied or not. For undated references, the latest edition of the normative document referred to applies.
