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Reduced air flow—Do not compromise the amount of airflow required for safe operation of the equipment. Install the equipment in the
rack so that the equipment constantly has the correct amount of airflow surrounding it.
•
Reliable earthing—Maintain reliable earthing of rack-mounted equipment. Pay particular attention to the supply connections other than
the direct connections to the branch circuit, for example: use of power strips.
•
Do not mount the equipment with the fan panel facing downward.
Half RU front-rack installation
The dual-tray mounting rails ship with the dual tray, not with the switch. You must supply eight rack-mount screws for this four-post
installation.
NOTE:
Do not install the dual tray in a two-post rack.
To install the half-RU switch:
•
Attach the rails to the dual tray.
•
Install the dual tray in the rack.
•
Install the switch in the dual tray.
1
Remove the dual tray and the rails from the shipping packaging and place them on a clean antistatic surface.
2
Line up the three holes on the inner switch rail with the dual-tray mounting heads.
Figure 12. Dual-tray and rack mounting rail
3
Attach the rail to the dual tray. Slide the rail back until it locks into place.
4
Repeat with the other side.
Figure 13. Attach dual-tray and rack mounting rails
5
Install the dual tray inside the 4-post rack. Rack mount screws are not included.
6
Attach the front dual-tray switch rails to the 4-post rack from the front. Secure the dual tray to the rack using two user-supplied
screws for each rack post.
22
S4112–ON Series installation
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