• The two power supply and fan assemblies concurrently installed in the chassis must be of the same
power type, model (airflow direction), and part number. If the airflow directions are different, an error is
generated on the console.
• The power supply and fan assembly units are hot-swappable if they are replaced one at a time. They are
identical and t into either slot.
• The device can operate all the ports with one power supply and fan assembly unit if you do not require
redundancy.
The device fans are xed inside the combined power supply and fan assemblies to provide necessary
airflow to cool the whole system. There are three fans located in each unit. The system software sets fan
speed and measures fan speed through the tachometer interface.
Precautions specic to the power supply and fan assemblies
DANGER: Make sure that the power source circuits are properly grounded,
then use the power cord supplied with the device to connect it to the power
source.
DANGER: If the installation requires a different power cord than the one
supplied with the device, make sure you use a power cord displaying the
mark of the safety agency that denes the regulations for power cords in
your country. The mark is your assurance that the power cord can be used
safely with the device.
CAUTION: Disassembling any part of the power supply and fan assembly
voids the warranty and regulatory certications. There are no user-
serviceable parts inside the power supply and fan assembly.
CAUTION: Ensure that the airflow direction of the power supply unit
matches that of the installed fan tray. The power supplies and fan trays are
clearly labeled with either a green arrow with an "E", or an orange arrow
with an "I."
CAUTION: If you do not install a module or a power supply in a slot, you
must keep the slot ller panel in place. If you run the chassis with an
uncovered slot, the system will overheat.
CAUTION: Use a separate branch circuit for each power cord, which
provides redundancy in case one of the circuits fails.
CAUTION: To prevent damage to the chassis and components, never
attempt to lift the chassis using the fan or power supply handles. These
handles were not designed to support the weight of the chassis.
Notes:
• The equipment installation must meet NEC/CEC code requirements. Consult local authorities for
regulations.
• If the ambient temperature is above the recommended operational limits, the power supply units
shutdown, which in turn shuts down the device without any warning message.
62
IBM Storage Networking SAN64B-6: SAN64B-6 Installation, Service, and User Guide
To Next Page
Loading...
Need help?
General