Disk-array enclosures
EMC VNX5400 Hardware Information Guide 89
AC power supply/cooling module
Figure 67 shows an example of the 3U, 15 (2.5- or 3.5-inch) disk drive DAE AC power
supply/cooling module with a power in (recessed) connector (plug) and status LEDs.
Figure 67 Example of a 3U, 15 (2.5- or 3.5-inch) DAE AC power supply/cooling module power in
(recessed) connector (plug) and status LEDs
Table 41 describes the 3U, 15 (2.5- or 3.5-inch) DAE power supply/cooling module LEDs.
The power supply/cooling modules are located above and below the LCCs. The units
integrate independent power supply and dual-blower cooling assemblies into a single
module.
Each 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. The drives and LCCs have individual soft-start
switches that protect the disk drives and LCCs if they are installed while the disk
enclosure is powered up.
The enclosure cooling system includes two dual-blower modules.
Fan fault LED VNX-000104
Power supply in
Power on LED
Power fault LED
Table 41 3U, 15 (2.5- or 3.5-inch) disk drive DAE AC power supply/cooling module LEDs
LED Color State Description
Power on Green On Power on
—OffPower off
Power fault Amber On Fault
Blinking During power shutdown and during overvoltage and
undervoltage protection (OVP/UVP) fault
— Off No fault or power off
Fan fault Amber On Fault, one or both not operating normally
— Off No fault, fans operating normally
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