The 4 post telecommunications rack shall be 45 RU or 52 RU, constructed of steel and capable of accepting 19" wide EIA equipment. The equipment mounting rails shall have tapped #12-24 style mounting and shall have rack unit markings. The rack shall accept shelves and equipment brackets. The front and rear structural posts of the rack shall be capable of mounting NetRunner™ or PatchRunner™ Vertical Cable Managers and accessories, such as power outlet unit brackets. The construction method shall support up to 907kg (2000 lbs.) of equipment, cabling and ensure an electrically bonded structure for ease of grounding.
