IBM DS6000 Series manual Rear panel, DS6000 front panel indicators

Table 2-1summarizes the purpose of each indicator.

Table 2-1 DS6000 front panel indicators

Indicator	Symbol	Purpose
System Power	Lightning bolt	If this indicator is on solid then DC power is present and
(green)		the system is powered on. If it is blinking then AC Power
		is present but the DS6000 is not powered on. If this
		indicator is off then AC power is not present.
System Identify	Lighthouse	This indicator is normally off. It can be made to blink by
(blue)		pressing the lightpath identify button. It is used to identify
		all enclosures that are grouped together in one system.
System	Circled letter i	This indicator is normally off. If it is on solid, then an error
Information		has occurred that cannot be fixed by light path
(amber)		diagnostics. To turn this light off you need to use the GUI
		to correct the error condition. This may be as little as to
		just view the error log.
System Alert	Exclamation mark	This indicator is normally off. This indicator turns on solid
(amber)		when a fault has been detected and will remain on until
		the fault condition has been corrected.
Data Cache On	Battery	This indicator is normally off. If it is blinking then the
Battery (green)		battery is charging. If it is on solid then AC power has
		been lost and the DS6000 has data in cache being
		protected by battery.
CRU Fault on Rear	Box with arrow	This indicator is normally off. If it is on solid then a fault
(amber)	pointing to rear	has occurred within a CRU in the rear of the enclosure
		and can be repaired using the light path indicators.
Fault in External	Two boxes with	This indicator is normally off. If it is on solid then a fault
Enclosure (amber)	arrow pointing to	has occurred within an attached expansion enclosure.
	lower box.

2.8 Rear panel

All of the indicators on the DS6000 front panel are mirrored to the rear panel. The rear panel is pictured in Figure 2-17 on page 39. The same colors and symbols are used for both the front and rear displays. The rear panel also has several push buttons which are detailed in Table 2-2 on page 39.

38DS6000 Series: Concepts and Architecture