The surface-mount wall rack with tilt-open operation shall be Lowell Model LTR-320S, which shall provide three (3) rack units for vertical mounting of 19inch wide equipment (useable depth first panel space max. 18in., 2-3 panel spaces max. 20in.). Overall rack measurements shall be 35.00"H x 24.50"W x 6.88"D. The rack shall feature vents in front and base, compound knockouts in top and base, center key lock and integral handle for main compartment, removable 3U top panel, center cutout in back, clamping bracket to secure equipment, DIN rail and E.O. box in base and one pair of adjustable mounting rails tapped 10-32. The assembly shall have a load capacity of 100lbs. The rack shall be manufactured in the U.S.A. with certified U.S. steel, beveled edges and Network Grey wrinkle powder epoxy finish.