The EIA/TIA compliant 19" gangable equipment rack shall be Lowell model #LGNR-4432 with overall dimensions of 83.125"H x 32.00"D x 22.00"W; usable height of 44 rack units and usable depth of 29.34". Rack construction shall be fully welded certified U.S. steel with 16-gauge frame, 14-gauge. top and 14-gauge. bottom reinforced at load-bearing junctions, all with black wrinkle powder epoxy finish. Open sides shall feature obround openings along bottom rear. The rack shall include a recessed rear door with key lock, combination knockouts for conduit wiring above and below door (1/2"–3/4" and 1"–1-1/2" EKOs) and knockouts for wireless antennae (1/2" KOs). The front shall feature provisions to accept an (optional) surface-mount door with left or right hand swing. The top shall feature a 10U opening with riveted 10-32 threaded rails on 19" E.I.A. spacing and solid closure panels (3U, 7U). Rack bottom shall have an opening measuring 27.88" x 18.89" and include a grounding stud. Rack shall include 2 pairs of adjustable 11-gauge steel rails tapped 10-32 on 19" E.I.A. spacing with black finish and numbered rack unit increments. The UL 2416 Listed rack shall be manufactured in the U.S.A. with a UL Listed load capacity of 3150lbs.