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Overview
• 40-Gigabit QSFP+ interface ports (36)
• Console port (1)
• Out-of-band management port (1)
• USB flash-memory ports (2)
The interface ports support QSFP+ transceivers. You use these ports to connect the switch to leaf switches in
the ACI network that this switch belongs to. These ports are numbered 1 to 36 from left to right.
Note
To see which transceivers are supported by this switch, see
http://www.cisco.com/c/en/us/support/interfaces-modules/transceiver-modules/products-device-support-tables-list.html.
The console port enables you to perform the initial setup of the switch.
The out-of-band management port enables you to manage switch operations after you set up the switch.
If you need to download or upload switch configurations on a flash drive, you can use the flash drive in one
of the two USB ports.
Fan Modules
The switch supports two fan modules, which provide port-side intake or port-side exhaust airflow for cooling.
You can hot swap one of the fan modules during operations but must replace it within one minute. If you
cannot replace the fan module within one minute, then it is best to leave the failed fan module in the chassis
until you are ready to replace it.
The fan modules are labeled FAN 1 on the left and FAN 2 on the right.
Note
The switch must run with all of its power supply and fan modules taking in cooling air from a cold aisle and
exhausting to a hot aisle. If they take in air from the hot aisle, the switch can overheat and shut down. All fan
and power supply modules must use the same direction of airflow.
Power Supply Modules
The switch has two power supply slots labeled PS1 on the left and PS2 on the right. You can mix any of the
following power supplies in those slots:
• 1200-W port-side intake AC power supply with burgundy coloring (N9K-PAC-1200W)
• 1200-W port-side exhaust AC power supply with blue coloring (N9K-PAC-1200W-B)
• 930-W DC power supplies with green coloring for port-side intake airflow (UCSC-PSU-930WDC)
• 930-W DC power supplies with gray coloring for port-side exhaust airflow (UCS-PSU-6332-DC)
The switch requires one power supply for its operations and a second power supply for power redundancy.
You can hot swap one of the power supplies during operations but otherwise must always have two power
supplies (or one power supply and one blank faceplate) installed in the chassis to maintain the designed airflow.
Cisco Nexus 9336PQ ACI-Mode Switch Hardware Installation Guide
Fan Modules
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