Cisco Nexus 7009 Chassis Clearances - Cisco Nexus 7000 Hardware Installation And Reference Manual

Chassis Clearances
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Cisco Nexus 7009 Chassis Clearances

The Cisco Nexus 7009 chassis has different clearance requirements for installations with four-post racks
or cabinets, two-post racks with front-mount brackets, and two-post racks with center-mount brackets.
For four-post rack or cabinet installations, the chassis requires the following clearances (see
Figure
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Cisco Nexus 7000 Series Hardware Installation and Reference Guide
A-26
Cisco Nexus 7004 chassis
Cable management frames
Vertical rack-mount posts
Vertical rack-mount posts for neighboring
rack
Air intake from cold aisle for power supplies 12 Distance from front of vertical rack-mount
Air intake from cold aisle for the supervisor
and I/O modules
Air exhaust to hot aisle for all modules and
power supplies
A-17):
Front clearance requires both of the following:
Cabling area of 7.5 inches (19.1 cm) between the front of the chassis and the inside surface of
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the cabinet or rack (this area can include the optional cable management frames)
Maintenance area of 24 inches (61.1 cm) between the front of the rack or cabinet and the next
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object in the cold aisle.
You might need to increase the maintenance area to accommodate a wide mechanical lift
Note
used to move the chassis to or from the rack.
Rear clearance includes both of the following:
Cabling area of 7 inches (17.8 cm) between the rear of the chassis and the inside surface of the
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cabinet or rack
– Maintenance area of 24 inches (61.1 cm) between the rear of the rack or cabinet and the next
object in the hot aisle
Side clearance of 11 inches (27.9 cm) for air flow on each side of the chassis.
Appendix A
8 No left side clearance required (no airflow on
left side)
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Chassis width
10 Right side clearance recommended for open
rack installations:
• If next to another open rack, use 6 inches
(15.2 cm) between racks.
• If next to a wall, use 11 inches (27.9 cm)
between chassis and wall.
11 No rear clearance required but the rear must
be open to the hot aisle to exhaust air
posts to rear of chassis
13 Clearance required between the front of the
chassis and the inside of the chassis for the
cable management frames and the optional
front doors
14 Front service clearance required for installing
the chassis and replacing the modules
Technical Specifications
OL-23069-07