Operating and indicator elements (rear)

You can see the status LEDs of the SAS I/O module and the status LEDs of the power supply units on the rear side of the ETERNUS JX40 (S2) subsystem.

Status LEDs of the SAS expander unit

Figure 28: Status LEDs on the rear of the device

The status LEDs of the SAS I/O module are located in the upper part of the device.

LED	Color	Status	Meaning
UNIT ID LED Identification status	Blue	Blinking	Identification
SAS OUT LED / SAS IN LED SAS ingoing/outgoing status	Green	On	Link up
	Yellow	On	Error detected, notify Customer Support
Status/Fault LED Error status	Green	On	Normal operation
	Yellow	On	Error detected, notify Customer Support

Status LEDs of the power supply units

The status LEDs of the power supply units are located in the lower part of the devices (see figure 21).

LED	Color	Status	Meaning
Status/Fault LED Error status	Green	On	Normal operation
		Blinking	Stand by
	Yellow	On	Error detected, notify Customer Support