Chapter 1. The Nextscale N1200 Enclosure Type 5456 - Lenovo NeXtScale n1200 Installation And Service Manual

Chapter 1. The NeXtScale n1200 Enclosure Type 5456

The NeXtScale n1200 Enclosure Type 5456 chassis is a 6U next-generation server platform with integrated
fan power control. It is a compact, high-density, high-performance, rack-mounted, scalable server platform
system.
The NeXtScale n1200 Enclosure Type 5456 chassis has twelve node bays. A 1-bay compute node occupies
one node bay in the chassis. A 2-bay storage tray or GPU tray occupies two node bays in the chassis. The
nodes share common resources, such as power and cooling in the chassis.
The NeXtScale n1200 Enclosure can support the following components:
• Up to twelve 1-bay compute nodes.
• Up to six power supplies.
• Ten fan modules.
• One fan power control.
The chassis system provides the following features:
• Compute node expansion capabilities
You can install up to twelve 1-bay compute nodes in the chassis. Some compute nodes have connectors
for additional optional devices that you can use to add capabilities to the compute nodes.
• High-availability design
The following components in the chassis enable continued operation if one of the components fails:
– Power supplies
The power supplies support a single power domain that provides power to all of the chassis
components. If a power supply fails, the other power supplies can continue to provide power. The PSU
Redundancy mode that you have applied for the chassis determines the result of a power-supply
failure.
– Fan modules
The fan modules provide cooling to all of the chassis components and the power supplies have their
own fans to provide the cooling.
– Fan power control
The fan power control enables the Integrated Management Module to monitor the fans and control fan
speed.
• Chassis midplane
The chassis midplane provides the following features:
– Power distribution to all nodes and modules
The midplane provides hot-swap connectors for the following components:
– Twelve 1-bay compute nodes
– Six power supplies
– Ten fan modules
– Fan power control
Record information about the NeXtScale n1200 Enclosure in the following table. You will need this
information for future reference.
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