Lenovo 70F0, User Manual And Hardware Maintenance Manual

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Note: Depending on the model, your storage array might look slightly different from the following illustration
in this topic.
Figure 4. Rear view of the storage array
1
Power supply 1
2
Fan assembly 1
3
2.5-inch drive bay (bay 12)
4
2.5-inch drive bay (bay 13)
5
Rear I/O module 1
6
Rear I/O module 2 (in some models)
7
2.5-inch drive bay (bay 14)
8
2.5-inch drive bay (bay 15)
9
Fan assembly 2
10
Power supply 2 (in some models)
1 10 Power supply
The hot-swap power supplies help you avoid significant interruption to the operation of the storage array
when a power supply fails. You can purchase a power supply option from Lenovo and install the power
supply to provide power redundancy without turning off the storage array.
The power-supply-status LED A as shown in the following illustration helps you determine the current
status of the power supply.
Figure 5. Power-supply-status LED
Status Color Description
On Amber The power supply has critical errors.
On Green
The power supply is working normally.
Blinking Amber The power supply is working, but has potential errors.
Blinking Green
The power supply is disconnected from the ac power source.
The other power supply provides power for the whole storage
array.
Off None The power supplies are not connected to the ac power source.
Chapter 2
.
Product overview
11