Dell EMC Data Domain FS15 SSD Shelf Hardware Manual page 14

Shelf Installation Overview
Data Domain ES30 Expansion Shelf and FS15 SSD Shelf Hardware Guide
14
Power supply A Power LED
l
Power fault: Amber
l
Blower fault: Amber
l
Figure 4 Power Supply A LEDs
Each shelf controller has two SAS ports. The port labeled with a circle symbol is the
Host port, and the port labeled with a diamond symbol is the Expansion port. The
Expansion ports are located on the outside, and the Host ports on the inside (reversed
controller positions).
Table 4 Status lights visible from rear of disk enclosure
Light Quantity
Controller 1 per Controller Blue or Green On when the Controller is powered on.
Power
Controller Fault 1 per Controller Amber
Host Link Active 1 per Controller Blue
Expansion Link 1 per Controller Blue
Active
Power Supply 1 per power
Active supply
Power Supply 1 per power
Fault* supply
Blower Fault* 1 per power
supply
*The ES30 and FS15 continue to run with a single power supply and three of its four
blowers. Removing a power/cooling module constitutes a multiple blower fault
Color Meaning
On when either the Controller or a SAS
connection is faulty. On during power-on
self-test
On when the host connection is active.
On when the expansion connection is
active.
Green On when the power supply is operating.
Amber On when the power supply is faulty or is
not receiving AC line voltage.
Flashing when either a multiple blower or
ambient over temperature condition has
shut off DC power to the system.
Amber On when one of the blowers in the power
supply is faulty.