Airflow clearance required between the chassis
rear and inside of cabinet (if used)
15Air intake from cold aisle for the power supplies6
Chassis depth16Air intake from cold aisle for the supervisor,
fabric, and I/O modules
7
Clearance required between the front of the
chassis and the inside of the cabinet (if used)
or edge of cold aisle (if no cabinet) for the
cable management frames and the optional
front doors
17Air exhaust to hot aisle for power supplies8
Front clearance required for installing the
chassis and replacing the modules
18Air exhaust to hot aisle for the supervisor,
fabric, and I/O modules
9
For two-post rack installations with front-mount brackets, the chassis requires the following clearances (see
Figure 136: Clearances Required for a Front-Mounted Cisco Nexus 7009 Chassis in a Two-Post Rack, on
page 194):
• Front clearance requires both of the following:
• Cabling area of 7.5 inches (19.1 cm) between the front of the chassis and the cold aisle (this area
can include the optional cable management frames)
• Maintenance area of 28 inches (71.1 cm) in front of the cabling area for installing the chassis and
replacing modules
You might need to increase the maintenance area to accommodate a wide mechanical lift used to move the
chassis to or from the rack.
Note
• Rear clearance requires 26 inches (66.0 cm) behind the chassis for cable management and for replacing
modules and power supplies
• Side clearance recommendation depends on whether you use a rack or cabinet for the installation as
follows:
• For cabinet installations, we recommend that you use 11 inches (27.9 cm) for airflow on each side
of the chassis.
• For rack installations, we recommend 11 inches (27.9 cm) between the chassis and a wall or 6 inches
(15.2 cm) between racks.
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
193
Technical Specifications
Cisco Nexus 7009 Chassis Clearances
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