6-4 PMM 9010-RMA Rack Mount Adapter6.7 Rack Requirements The rack must be of the following type:- Standard 19 inch (483 mm) with mounting rails that conform to Englishuniversal hole spacing per section 1 of ANSI/EIA-310-D-1992.- The minimum vertical rack space per chassis must be 3U (rack units),equal to 3 inches (132,5 cm).6.8 Required Equipment Before you begin the installation, ensure that you have the following items:- Crosshead screwdriver (not provided)- Flat-blade screwdriver or rack-insertion tool (not provided)- Tape measure and level (not provided)- Rack Mount kit (provided)6.9 Moving chassis When lifting the chassis, be aware of its weight, and follow theseguidelines:- Disconnect all power and external cables before lifting the chassis.- Remove all instruments from the chassis before lifting.- Make sure that the milled knob well locking.- Using the two handles, lift the PMM 9010-RMA slowly keeping your backstraight. Lift with your legs, not with your back. Bend at the knees, not atthe waist.