The systems support the following interfaces:
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Combined Management and BMC Access RS232 Console Port (RJ45)
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100/1000 Base-T, Ethernet OOB interface (RJ45)
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100/1000 Base-T, Ethernet BMC interface (RJ45)
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USB Type A
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Reset button
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Status and port LEDs
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Lane select LEDs and power button
Refer to Management Interfaces, PSUs, and Fans for full configuration options.
Speed
Ethernet speed must be set manually. The system’s ports can be manually configured to run at a wide range of speeds (for more details, see (1.0) Specifications). To change the port speed configuration, refer to Switch Port Attributes.
RS232 (Console)
The RS232 serial “Console” port is labeled 
The console port is an RS232 serial port on the front side of the chassis that is used for initial configuration and debugging. When you install the system, you must connect a PC to this interface and configure network parameters for remote connections. For complete instructions, refer to Interface Configuration and Management.
Out-Of-Band Management
The RJ45 management port is labeled 
Out-of-band management port provides an access to the ONIE boot-loader and to the Network Operating System.
The management port is configured with auto-negotiation capabilities by default (full-duplex, 100MbE and 1GbE). The management ports’ network attributes (such as IP address) need to be pre-configured via the RS232 serial console port or by DHCP before use. For complete instructions, refer to Interface Configuration and Management.
Use only FCC-compliant Ethernet cables.
Baseboard Management Controller (BMC)
The RJ45 management port is labeled 
The BMC management port provides an access to the on-board controller, NVIDIA BMC is based on the OpenBMC open-software framework which builds a complete Linux image for a board management controller (BMC).
The BMC port is configured with auto-negotiation capabilities by default (full-duplex, 100MbE and 1GbE). The management ports’ network attributes (such as IP address) need to be pre-configured via the RS232 serial console port or by DHCP before use. For complete instructions, refer to the BMC User Manual.
For more information, refer to the NVIDIA Switch Ethernet BMC User Manual (Doc ID 1155052) by logging into the NVOnline Portal or by contacting your NVIDIA representative.
USB
The USB interface is USB 3.0-compliant and can be used by the operating system to connect to an external disk for software upgrade or file management. The connector complies with the USB 3.0 type A standard.
To view the full matrix of the USB configuration options, refer to Management Interfaces, PSUs, and Fans.
USB 1.0 is not supported.
Do not use excessive force when inserting or extracting the USB.
Reset Button
The reset button is located on the front side of the system and requires a tool to be pressed.
Do not use a sharp, pointed object such as a needle or a push pin to press the reset button. Use a flat object instead.
For Cumulus Linux password reset instructions, refer to the Password Recovery.
Status and Port LEDs
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