型号:EN-SPEC-LE-F Ventilating the whole rack from the bottom to the top Forced cooling of several units with air from outside the rack. Elimination of heat sections within an unit, especially if there is no possibility to use aircirculation ventilation units. Basic configuration Front panel is colourless anodized. 19"unit is yellow alodyned. Rubber connector for 230 V AC includes switch and fuse (power cord is not comprised with 230 V AC types.). 12 V DC or 24 V DC types are delivered with 1,2 m cable inclusive pull relief. Dust filter The number, the model and the position of fans can be specified on demand. Unused positions will be closed with a blank plate.