supply of smoke detector unit and fire alarm system complete with all accessories confirming to rcf specification no. edts-087 rev-b corrigendum-1, suitable for lhb power cars.smoke detector unit and fire alarm system complete with all accessories confirming to rcf specification no. edts-087 rev-b corrigendum-1, suitable for lhb power cars.,smoke detector unit and fire alarm system complete with all accessories confirming to rcf specifi cation no. edts-087 rev-b corrigendum-1, suitable for lhb power cars. [ warranty period: 30 months after th e date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]