Symantec netbackup 5030, Troubleshooting Manual, Page: 31 / 69

Table 4-3
Storage shelf I/O module elements (continued)
Description Element Number
Indicates the I/O status for this module.
■
Dark—Off
■
Steady green—Ready
■
Red—Starting up
Note:
The first I/O module is ready a few seconds after
the shelf is turned on. The second I/O module is ready
a few seconds after the first.
I/O module status LED 6
Secures the module in the storage shelf slot. Latch 7
The Symantec Storage Shelf has two power supplies with dual fans that are
installed side-by-side in the rear panel. The power supplies use load balancing in
providing power to the storage shelf during normal operation. If one power supply
fails, the other automatically takes up the entire load. The Global Enclosure status
LED on the front panel of the storage shelf when a power supply is not running.
This LED remains amber until both power supplies are providing power to the
storage shelf.
Figure 4-6 shows the storage shelf power supply. Table 4-4 provides the
information about the power supply LED states.
Figure 4-6
Storage shelf power supply
31 Understanding the Symantec Storage Shelf
About the storage shelf rear panel