Remove And Replace Components; Replace Internal Power Supplies; Replace Fan Modules - Extreme Networks Extreme 7520 Series Hardware Installation Manual

Remove and Replace Components

Replace Internal Power Supplies

Replace Fan Modules

Remove the Device from the Rack
You can replace internal power supplies and fan modules, as needed, while the device
is operating ("hot swapping").
For each device, ensure that all installed power supplies and fan modules have the
same the airflow direction: either front-to-back or back-to-front.
Follow the procedures in this section to remove and replace power supplies and fan
modules, and to remove a device from a rack.
Replace Internal Power Supplies
You can replace internal power supplies as needed while the switch is operating ("hot
swapping").
All installed power supplies must have the same airflow direction (front-to-back or
back-to-front) and must also match the airflow direction of the fan modules.
•
If the power supply module has a red tab, the airflow is front-to-back.
•
If the power supply module has a blue tab, the airflow is back-to-front.
To replace one or both AC internal power supplies in an Extreme 7520 Series switch,
follow the steps in
To replace one or both DC internal power supplies in an Extreme 7520 Series switch,
follow the steps in
Replace Fan Modules
You can replace fan modules as needed while the switch is operating ("hot swapping").
All installed fan modules must blow air in the same direction and must match the
airflow direction of the installed power supplies.
•
If the fan module has a red tab, the airflow is front-to-back. Use a fan module labeled
Air Out.
on page 73
on page 73
on page 74
Install an 800 W Internal AC Power Supply
Install an 800 W Internal DC Power Supply
on page 60.
on page 63.
Extreme 7520 Hardware Installation Guide 73