Setting Up The DAU 2-13
Connecting the Power Cords
The DAU contains two 450-watt power supplies. The power supplies are
designed for automatic sensing of 115 or 230 VAC power, eliminating the need
for a line voltage selector switch. The power supplies operate at a frequency of
50/60 Hz. With two power supplies installed, if one fails, the second power
supply will ensure the DAU continues to operate without interruption.
Connect each power cord as follows.
1. Check that the power switch on the disk array unit and those on the host
system, host bus adapter, and FC-AL switch are all set to OFF.
See Figure 2-10.
OFF ON
Figure 2-10. Power Supply Switch
2. Insert the power cord into the power plug on the power supply, and secure
the power cord with stopper. See Figure 2-11. Repeat this step on the second
power supply.
Figure 2-11. Connecting the Power Cord to the Power Supply
3. Plug the male end of the power cords into NEMA 5-15R outlet for 100-120
VAC or NEMA 6-15R outlet for 200-240 VAC.
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