42Chapter 6 Operation of 2U enclosures
6 Operation of 2U enclosures
CAUTION Only operate the storage enclosure in a dust-free environment to meet temperature control
and airflow requirements.
Before you power on the storage enclosure, you must take the following actions:
1. Review the installation checklist, confirming the successful completion of the entire sequence.
2. Verify that all drive modules in their carriers (DDICs) are in the correct slots and that you properly engaged
them by pressing firmly until each one locked into place on its midplane.
3. Confirm you have met ambient temperature requirements identified in the Environmental Reqs section.
4. Confirm that airflow paths at the front and rear of the enclosure chassis are clear and remain clear.
5. Proceed to the power on task.
6. Access the software management interface to complete your system setup.
Apply power to the 2U enclosure
The storage enclosure relies on main power provided through separate, independent power distribution. If you
lose main power for any reason, the storage enclosure automatically restarts after power restoration.
CAUTION Adhere to the following electrical safety guidelines:
l
During installation, never connect a power cord to a power supply unit (PSU) or power cooling module
(PCM) before installing it in the appropriate storage enclosure slot.
l
Only connect the power cord to power that complies with the product specifications within the specified
range, per the hazardous voltage warning label on the PSU or PCM.
l
During service, always remove the PSU or PCM from power before removing the PCM.
IMPORTANT Only after you successfully complete the installation checklist can you complete system
setup and begin operation of the storage enclosure.
To apply power to the 2U enclosure:
1. If you removed power to repair the storage enclosure, begin by facing the rear of the rack cabinet and
connect the plug for each of the power to an independent power distribution unit (PDU). The second power
cooling module (PCM) provides the first PCM with redundant power.
IMPORTANT The storage enclosure design requires two redundant power cooling modules (PCMs).
You must plug each power cord into an independent power distribution unit (PDU) that connects to an
uninterruptible power system.
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