supply of pac itempac item,relay and communication card of vesda compact laserdetector (vlf) as per sanrok part no. 2ed-255-4974 & rdso specification n o. rdso/2008/cg-04 rev-05. [ warranty period: 48 months after the date of delivery ] ] , green led for break indication as per sanrok part no. 2ed-254-5106 & rdso specification no. rdso/2008/cg-04 rev-05. [ warranty per iod: 48 months after the date of delivery ] ] , power unit panel to sanrok make part no: 2ed-254-1930 to automatic smoke/ fire detection with alarm system as per rdso specification no. rdso/2008/cg-04. rev-06. acceptable make: sanrok only. note: 1) the firm should submit authorized dealership certific ate or proof of purchase from oem or dealer [ warranty period: 48 months after the date of delivery ] ] , g union (straight connector) 12-l (m18x1.5) v4a stainless steel including nuts- g12l71. suitable for automatic/manual fire/smoke detection c um suppression system installed in power car. similar to sanrok part - 2ed-245-1870. [ warranty period: 48 months after the date of delivery ] ] , display card for vesda [item code : 2f00000000845] sanrok part no. 2ed-255-9001a for sanrok make automatic smoke/fire detection with alarm system in ir ac coaches to rdso specification no. rdso/2008/cg-04 rev.05 or latest. [ warranty period: 48 months after the date of delivery ] ]