IBM TotalStorage FAStT700, User Manual

Page: 45 / 100

Power supply indicator light
The power supply has one indicator light, as shown in Figure 27.
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
Power supply
Green light indicates
that the power supply
is operating properly.
Normal status: On
Problem status: Off
Power supply
Green light indicates
that the power supply
is operating properly.
Normal status: On
Problem status: Off
Table 6 describes the power supply indicator light.
Table 6. Power supply indicator light
Indicator light Color Normal
operation Problem
indicator Possible conditions indicated by the
problem indicator
1
Power supply Green On Off
v
Power supply has failed or is turned off
v
Overtemperature condition
1
Always use the storage-management software to identify the failure.
Mini-hub indicator lights
There are five indicator lights on each mini hub. Figure 28 shows the host-side
indicator lights. The drive side indicator lights are the same; however, the possible
conditions indicated by the problem indicators (described in Table 7 on page 28)
might be different.
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
Speed
Bypass
(upper port)
Bypass
(lower port)
Loop good
Fault
Mini-hub indicator
lights
Link rate
interface switch
Figure 27. Power supply indicator light
Figure 28. Mini-hub indicator lights
Chapter 2. Operating the FAStT700 Storage Server
27