Location Of The Two Power Supplies - IBM System Storage SAN384B-2 Installation, Service And User Manual

Figure 37. Location of the two power supplies
1
Power supply 1 (PS1)
Complete the steps to remove a power supply.
1. Perform the appropriate action based on whether the SAN384B-2 is operating:
v If the SAN384B-2 is not operating during the replacement procedure, go to
step 2.
v If the SAN384B-2 is going to continue operating during the replacement,
check the power LEDs to verify that the remaining power supply is
functioning properly before continuing.
2. Turn off the switch of the power supply you are replacing.
3. Disconnect the power cord.
4. Loosen the thumbscrew, using a Phillips screwdriver if necessary.
5. Grasp the handle and pull, sliding the power supply from the chassis (see
Figure 38 on page 86). Support the power supply from beneath as you remove
it.
6. If you are not immediately replacing the power supply, insert and attach a
power supply filler panel into the slot to ensure proper air circulation for
cooling.
Note: Two power supplies are required to provide redundancy, protecting
against potential data loss.
1
2
Power supply 2 (PS2)
Chapter 5. Removing and installing components
2
85