A-21
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-07
Appendix A Technical Specifications
Chassis Clearances
Figure A-13 Power Connector for the 6.0-kW DC Power Supply Unit
Chassis Clearances
You must provide each Cisco Nexus 7000 Series switch with adequate clearance for installation,
maintenance, cabling, and airflow. Installation clearance includes the cold aisle spacing required in front
of the rack or cabinet to allow you to move the switch with a mechanical lift to its rack or cabinet.
Maintenance clearance is the hot or cold aisle spacing required to replace supervisor, I/O, fabric, fan,
and power supply modules. Cabling clearance provides the required space in front of the chassis (often
within a cabinet) for cables to bend and connect to the chassis. Airflow clearance is typically the spacing
on the left or right of the chassis for side-to-side airflow into and out of the chassis. If a chassis has
front-to-back airflow, it uses the maintenance clearance for airflow instead of airflow clearance on the
sides of the chassis.
This section includes the following topics:
• Cisco Nexus 7004 Chassis Clearances, page A-21
• Cisco Nexus 7009 Chassis Clearances, page A-26
• Cisco Nexus 7010 Chassis Clearances, page A-32
• Cisco Nexus 7018 Chassis Clearances, page A-34
Cisco Nexus 7004 Chassis Clearances
The Cisco Nexus 7004 chassis requires front clearance for cable management and maintenance, right
side clearance for cooling air intake, and an unobstructed rear for exhausing air to the hot aisle behind
the chassis. For the front, the cable management frames require 7.5 inches (19.1 cm) of clearance in front
of the mounting rails and an additional 26 inches (66.0 cm) in front of the cable management frames or
the cabinet door for maintenance. If you install the chassis with the optional center-mount bracket in
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