Inserting a new power supply assembly
Before you begin
The new power supply assembly must have the same part number and airflow label (or lack thereof) as
the power supply assembly already installed.
About this task
Complete the following steps to insert a new power supply assembly into the chassis.
CAUTION:
The power supply switch must be in the off position when you insert the power supply into the
chassis. Damage to the switch can result if a live power supply is installed.
Procedure
1. To leave the device in service while installing a power supply assembly, verify that the other power
supply assembly (the one already installed) has been powered on for at least four seconds and has a
steady green LED.
2. Orient the new power supply assembly unit and slide push in until the latch on the right side is
secured. Pull on the handle to check and ensure that it is fully seated.
Do not force the installation. If the power supply assembly does not slide in easily, ensure that it is
correctly oriented before continuing.
CAUTION:
Carefully follow the mechanical guides on each side of the power supply slot and make sure the
power supply is properly inserted in the guides. Never insert the power supply upside down.
1. The SAN128B-6 device
2. Power supply slot 1
3. Power supply assembly unit
4. Power supply assembly handle
Figure 33. Inserting an AC power supply and fan assembly
62 SAN128B-6 Installation, Service, and User Guide
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