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1 Rack mounting
Install the extension unit in an EIA standard 19-inch rack
(Depth: 550 mm or more).
Note:
• Use four M5 × 12 screws (locally procured) to install the
extension unit in a rack.
• The illustration on this page is schematic. Details of the
shape are omitted.
Installation procedure
Step 1
Remove the five rubber feet from the bottom of the
extension unit using a flathead screwdriver.
Use a screwdriver to remove the screws holding the rubber feet.
Step 2
Attach the rack handles (provided) to the rack mount-
ing brackets (provided).
Fix them using the screws (provided) (x4) and the washers
(provided) (x4) for the rack handle.
Tightening torque: 2.0 N·m ~ 2.4 N·m (1.48 lbf·ft ~ 1.78 lbf·ft)
Washer (provided)
Note:
• The rack mounting bracket (provided) has two types of
fitting holes to adjust the protrusion of the front rack. Use
either of them depending on the installation conditions.
Fitting holes for the front position (about 15 mm {19/32 inches})
16
Remove rubber feet
Screws for the rack handle (provided)
Rack mounting bracket (provided)
Washer (provided)
Rack handle (provided)
Standard fitting holes
Step 3
Place the provided rack mounting brackets (provided)
on both sides of the extension unit and fix them with
the rack mounting bracket fixing screw (provided) (x6).
Secure them using the rack mounting bracket fixing screw
(provided) (x6).
Tightening torque: 0.88 N·m ~ 1.08 N·m (0.65 lbf·ft ~ 0.80 lbf·ft)
Rack mounting bracket fixing screws (provided)
Rack handle (provided)
Rack mounting brackets (provided)
Step 4
Install the extension unit in the rack by using four rack
mounting screws.
Secure using the rack mounting screws (x4).
Tightening torque: 2.0 N·m ~ 2.4 N·m (1.48 lbf·ft ~ 1.78 lbf·ft)
Rack mounting screws (M5 x 12, locally procured)
Important:
• When installing the extension unit in the rack, make a
space of 1U (44 mm {1-23/32 inches}) above and below
the extension unit for ventilation.
• Keep the temperature in the rack below +45 °C {113 °F}.
• It is recommended to install cooling fans or equivalents to
keep the temperature in the rack below +30 °C {86 °F}.
• Do not block the ventilation holes or slots to prevent the
extension unit from overheating.
• The extension unit weighs over 10 kg {22.1 lbs}. Be
careful not to drop the extension unit when installing it
into a rack. Dropping may cause damage, deformation
of the extension unit, or injury.
Rack handle (provided)
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