IBM TotalStorage DS6000 Series Redbooks page 63

Power
System
control
identify
switch
System
power
Figure 2-17 DS6000 rear panel
Table 2-2 DS6000 rear panel push buttons
Button
Power Control
Switch (white)
Lightpath
Switch (blue)
Lightpath
Switch (blue)
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
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.
System
cache on
alert
battery
Lightpath
System
Remind
information
and
Identify
switches
Purpose
This button can be seen on the left-hand side of the rear panel. You press it
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.
REMIND
The upper of the two blue buttons, you push this button to re-activate the light
path remind. This will allow you to identify a failed component that requires
replacement.
IDENTIFY
The lower of the two blue buttons, you push this button to activate the system
identify indicator
Fault in
Data
external
enclosure
Fault on
Enclosure
front
identifier
CRU
disk exp
ports or the
Rack
identify
connector
disk contrl
ports respectively. On
Chapter 2. Components
39