Oracle Sun Netra FT 1800 Site Planning Manual page 37

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C H A P T E R
Rack Mounting Guidelines
The Netra ft 1800 can be adapted to fit in standard, commercial 19-inch, 23-inch and
metric racks via the use of removable mounting adaptors. The minimum nominal
cabinet external dimensions are 600 x 600 x 2100 mm (24 x 24 x 84 inches).
If you intend not to use a lifting device for installation, all modules other than the
motherboards must be removed from the system prior to lifting. The empty chassis
weighs approximately 68 kg (150 lb) with the motherboards and typical mounting
flanges. The weight of any removable module depends on its configuration. Weight
warning labels are for guidance only.
The Netra ft 1800 chassis has been designed to accommodate most mounting
configurations. Adaptor flanges to suit 19-inch, 23-inch, 24-inch and 600-mm (ETSI)
rack sizes are available as required.
The Netra ft 1800 system is shipped with a plinth, which protects the bottom of the
chassis during transit and handling, and also ensures that the correct airflow inlet
plenum is provided during installation. The plinth must be removed once the
Netra ft 1800 is installed in a rack, then stored in a safe place.
The Netra ft 1800 chassis must be mounted using screws suitable for the equipment
frame. The screws should be M5, M6 or 10-32 UNF. All screws must be fitted. The
recommended tightening torque value for either M5 or 10-32 UNF recess head
screws is 3.8 Nm (2.8 lbf/ft), and that for M6 screws is 6 Nm (4.4 lbf/ft).
The Netra ft 1800 is able to fit in any nominal width of rack from 19-inch upwards, a
minimum internal depth of 545 mm (21.5 inches) and a minimum internal height of
35RU (155 mm / 61.25 inches) (dependant upon airflow obstructions). Common
standard frame heights in the CO environment are 72-inch, 84-inch and 2200-mm,
and the larger height will ease the airflow requirements.
Putting the Netra ft 1800 in a cabinet of greater than 600 mm (24 inches) OA width
will give more room to manage the cabling effectively.
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