120 EMC VNX8000 Hardware Information Guide
Disk-array enclosures
Power supply
The power supply is hot-swapable. It has a built-in thumbscrew for ease of installation
and removal.
Each power supply includes a fan to provide cooling to the power supply. The power
supply is an auto-ranging, power-factor-corrected, multi-output, offline converter with its
own line cord. Each supply supports a fully configured DAE and shares load currents with
the other supply.
In the 4U, 60 (2.5- or 3.5-inch) DAE, the power supplies provide four independent power
zones. Each of the hot-swappable power supplies has the capability to deliver 1300 W at
12 V in its load-sharing highly-available configuration. Control and status are
implemented throughout the I
2
C interface.
Figure 102 shows an example of the 4U, 60 DAE AC power supply with two power in
recessed connectors (or plugs) and status LEDs.
Figure 102 Example of a 4U, 60 (2.5- or 3.5-inch) DAE AC power supply showing the (power in)
recessed connector (plugs) and status LEDs
Fan
Fan
AC 1 power in
(recessed plug)
Power on
LED (green)
Power on
LED (green)
Power fault
LED (amber)
VNX-000648
AC 0 power in
(recessed plug)
Power supply
thumbscrew
Power on
LED (green)
Power fault
LED (amber)
Power on
LED (green)
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