... PART7;GB-T3047.2-92 standard, compatible 19'international standard ,metric standard ,ETSI standard , Q/FBXD01-2004 standard ,ISO9000 quality management system certification ... ,rear door ,left door and right door, convenient for all-round operation and look .2,Panels show using, ... ,Air switch is using insulation group;13,Color :RAL 7035(Grey) ,RAL 9005(Black) 19'international standard power distribution ...