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A-18
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-06
Appendix A Technical Specifications
Chassis Airflow
Figure A-16 Airflow for the Cisco Nexus 7018 Chassis
To allow for the Cisco Nexus 7009 and 7018 switches to take in air from the cold aisle and floor on the
right side, you should route cables on the left front side of the switch. If necessary, you can route cables
on the upper right front side of the chassis, which leaves the lower right side open to cooling air from
the cold aisle in front of the chassis. By having the cables on the left side and leaving the left rear side
unobstructed, the exhaust is directed to the hot aisle in back.
For the clearances required on each side of the switch, see the “Chassis Clearances” section on
page A-14.
To determine the maximum amount of airflow for a fully configured switch, see Table A-15 for the Cisco
Nexus 7009 switch, see Table A-16 for the Cisco Nexus 7010 switch, or see Table A-17 for the Cisco
Nexus 7018 switch.
Note Systems with fewer than the maximum number of supervisor, I/O, or fabric modules will have less
airflow.
1 Airflow for cooling the supervisor and I/O
modules
3 Airflow for cooling the power supply units
2 Airflow for cooling the fabric modules
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