supply of one coach set of modular switches consisting of switch plate assemblyone coach set of modular switches consisting of switch plate assembly,one coach set of modular switches consisting of switch plate assembly (cabin side) to docum ent no.edml-127, rev 4 or latest and drawing no cc74248 alt. f or latest, and switch plate assembly (corr idor side) to document no.edml-127 rev 4 or latest and drawing no cc74249 alt. f or latest suitable for l hb gs coaches. note: one set consisting of (a) 10 sets of cabin side and (b) 10 sets of corridor side. total 2 0 sets are required in one set. [ warranty period: 30 months after the date of delivery ] ]