HP Aruba 6400 Series Installation And Getting Started Manual page 28

PSU bezel
Figure 11: PSU bezel
1
1 PSU bezel
The bezel hides the power supplies. Aruba recommends keeping the bezel in place except when removing or
installing a power supply.
PSU slot cover
Aruba recommends installing and maintaining blank power supply slot covers in all empty PSU slots for
optimal system thermal and cooling performance.
28 Aruba 6400 Switch Series Installation and Getting Started
Guide