Owners Manual

Figure 40. Installing a Cooling Fan Module
5 Wait for the expansion enclosure to recognize the cooling fan module and determine its status.
6 Push the expansion enclosure chassis back into the rack.
7 In Storage Manager, make sure that the cooling fan module is recognized and shown as up and running.
Next steps
1 Use SupportAssist to send diagnostic data to technical support.
2 Change the operation mode of the Storage Center to Normal.
Enclosure Management Module
The SC460 expansion enclosure supports redundant hot-swappable enclosure management modules (EMMs).
EMMs provide the following management functions for the expansion enclosure:
Monitoring and controlling expansion enclosure environment elements such as temperature, fan, power supplies, and expansion
enclosure LEDs
Controlling access to hard drives
Communicating expansion enclosure attributes and states to Storage Center
Identifying the Failed Enclosure Management Module
To determine which enclosure management module (EMM) failed, use the Storage Manager.
1 Click the Hardware tab.
2 In the Hardware tab navigation pane, select and expand the Storage Center.
3 In the Hardware Alerts area, nd the hardware alert that identies the expansion enclosure with the failed EMM.
Replacing SC460 Expansion Enclosure Components
41