IBM DS6000 Series Enclosure ID indicator, Rack identify connector, DS6000 rear panel push buttons

Power	System		System			Data		Fault in		Rack
control						cache on		external		identify
	identify		alert
switch						battery		enclosure		connector
System		System		Lightpath			Fault on		Enclosure
					Remind		front
	power	information							identifier
						and	CRU
					Identify
					switches
Figure 2-17 DS6000 rear panel

Table 2-2 DS6000 rear panel push buttons

Button	Purpose
Power Control	This button can be seen on the left-hand side of the rear panel. You press it
Switch (white)	once to begin the power on or power off sequence. While the button is present
	on the expansion enclosure, only the power button on the server enclosure
	can power off the entire complex.
Lightpath REMIND	The upper of the two blue buttons, you push this button to re-activate the light
Switch (blue)	path remind. This will allow you to identify a failed component that requires
	replacement.
Lightpath IDENTIFY	The lower of the two blue buttons, you push this button to activate the system
Switch (blue)	identify indicator

Enclosure ID indicator

The rear display also has an enclosure identifier indicator. This uses two seven-segment LEDs to display the enclosure identifier number. The left-hand digit displays the device

adapter switched loop the enclosure resides on. This will be 0 or 1 depending on whether the expansion enclosure is attached to the disk exp ports or the disk contrl ports respectively. On

the server enclosure it will always be 0. The right-hand digit displays the enclosure base address. It will range from 0 to 3. This address will be set automatically after the enclosure is powered on and joins the loop.

Rack identify connector

On the far right-hand end of the rear panel is a connector known as the rack identify connector. The intention is to allow a user to attach the enclosure to eServer rack identifier hardware. This allows you to identify in which rack a particular DS6000 storage or expansion enclosure is located.

Chapter 2. Components 39