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EMC VNX5400 Hardware Information Guide
Disk-array enclosures
System status card
The system status card (SSC) is a removable circuit board located on the bottom, front of
the 3U, 120 (2.5-inch) DAE and provides the following functionality (
◆
Three status LEDs (
• SSC fault LED
• Enclosure fault LED
• Enclosure power LED
◆
Fan voltage of 12 VDC is provided to two fans; fan 0 located in the front of the DAE and
fan 7 located in the mid-section of the DAE; this maintains proper cooling,
◆
An inlet temperature sensor that determines the ambient temperature outside the
enclosure
◆
SSC resume EEPROM for tracking manufacturing information
describes the 3U, 120 (2.5-inch) DAE status LEDs.
Table 42 3U, 120 (2.5-inch) DAE status LEDs
LED
Color
State
Description
SSC fault (see location A in
)
Amber
On
Fault detected
—
Off
No fault detected
DAE fault (see location B in
)
Amber
On
Fault detected
—
Off
No fault detected
DAE power
Blue
On
Powered on, normal
Off
Not powered on or fault