Preparation
2.2
Reconfiguring Air Flow
Some switches allow configuration with either front-to-rear or rear-to-front airflow. To reconfigure a
system, de-energize the unit and replace all fans and power supplies with the desired orientation.
Mixing front-to-rear and rear-to-front components is not supported and will impact the cooling capacity
of the switch.
DCS-7260CX3 and DCS-7170-64 systems contain additional louvers behind the fan tray. These
louvers follow the same color coding as the fans and must be removed, rotated and replaced when
changing airflow orientation.
The following figures show the location of the louvers.
Note: All PSUs and fans must be of the same airflow orientation in a switch.
To replace the lover behind the fan:
1. Lift the tab up.
2. Rotate and remove the louver.
3. Rotate the louver so the desired color is on the outside.
4. Slide and seat the louver until it clicks into place.
2.3
Tools and Parts Required for Installation
The following tools and equipment are required to install the switch:
Two-Post Rack
•
Screws or rack mounting nuts and bolts.
•
Screwdriver
Four-Post Rack (Toolless)
No additional equipment required.
Accessory kit does not include screws for attaching the switch to the equipment rack. When installing
the switch into an equipment rack with unthreaded post holes, nuts are also required to secure the
switch to the rack posts.
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