User Guide

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Installing a fan unit
Additional fan units are options that can be installed when more fans are needed according to the
number of CPU blades or other modules installed on the blade enclosure. See "Components"
described earlier.
Important
 The fan unit that can be installed on the blade enclosure is N8405-026.
The fan unit N8405-026 is a set of two fan units.
 The number of fan units required depends on the number of modules, such as CPU blades.
See "Fan unit installation guide" to add fan units as necessary. The blade enclosure is
equipped with four fan units as standard.
The following illustration shows slots where fan units can be installed:
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
Slot 9
Slot 10