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C/RS232 (Console)
The port labeled “Console” is an RS232 serial port on the back side of the chassis in SN2700 and
SN2410, and on the front side in SN2740, SN2201 and SN2100/SN2010. It is used for initial
configuration and debugging. Upon first installation of the system, you need to connect a PC to this
interface and configure network parameters for remote connections. Refer to Configuring Network
Attributes Using NVIDIA Onyx (MLNX-OS)to view the full procedure.
Management
The RJ45 Ethernet ports labeled “MGT ” provide access for remote management. The
management ports are configured with auto-negotiation capabilities by default (100MbE to 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. Refer toConfiguring Network Attributes Using
NVIDIA Onyx (MLNX-OS)to view the full procedure.
USB
The USB interface is USB 2.0 (mini USB in SN2100) compliant (USB 1.0 is not supported) and can be
used by NVIDIA Onyx (MLNX-OS) software to connect to an external disk for software upgrade or file
management. The connector comes in a standard USB shape.
To view the full matrix of the USB configuration options, refer toManagement Interfaces, PSUs and
Fans.
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This interface is not found in externally managed systems.
Apart from the initial configuration, the I²C interface is made exclusively for
debuggingand troubleshooting.Only FAEs are authorized to connect through it.
Only original NVIDIA cables supplied with the switch package can be used to connect
aswitch system to the server.
Connecting any cable other than the NVIDIA supplied console cable may cause an I²Chang.
Using uncertified cables may damage the I²C interface.
Refer to the Replacement Parts Ordering Numbers appendix for harness details.
In the SN2100/SN2010 systems there is only one MGT port.
Make sure you use only FCC compliant Ethernet cables.
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