__ 4. Pull the rack shelf out until fully extended and locked in place.
__ 5. Locate, on the adapter plate that is attached to the shelf, the six holes where you will install
screws to securely attach the unit to the shelf.
__ 6. Lift the unit onto the shelf positioning it toward the back of the shelf.
__ 7. Slide the system unit from back to front using the handles on each side until it stops.
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Install a Model 270, 800, or 810 in a rack