port on the rear panel of the appliance. The SAS ports are in slot #1 of the PCI riser
assembly #2 in the rear of the appliance.
The storage shelf that is connected directly to the appliance is known as Storage
Shelf #1. The storage shelf that connects to Storage Shelf #1 is known as Storage
Shelf #2.
A storage shelf connected to Storage Shelf #2 is known as Storage Shelf #3. A
storage shelf connected to Storage Shelf #3 is known as Storage Shelf #4. Storage
shelves #2, #3, and #4 are not directly connected to the appliance.
One I/O module is shown, however each storage shelf includes two such modules.
Figure 2-7
I/O module and power module components
Table 2-8
I/O module and power module descriptions
Description
LED states
Component
Number
■
Link available
■
Activity
■
N/A
■
No link available
■
Solid green
■
Flashes green
■
Red
■
Not lit
SAS_IN port LED
1
N/A
N/A
SAS_IN port
2
N/A
N/A
SAS_OUT port
3
■
Link available
■
Activity
■
N/A
■
No link available
■
Solid green
■
Flashes green
■
Red
■
Not lit
SAS_OUT port LED
4
23
LED status indicators
Symantec Storage Shelf I/O module and power module LEDs