AssuredSAN 4004 Series FRU Installation and Replacement Guide
43
Installing a power supply unit
Figure 24
Orienting a power supply unit
To install a power supply module, perform the following steps:
1.
Orient the PSU with the AC or DC power cable connector toward the right as shown in
, respectively.
2.
With the latch in the open position, ensure that the power supply module is level, and slide it into the
appropriate power supply slot as far as it will go.
3.
Rotate the PSU latch upward until it is flush against the PSU face, ensuring that the connector on the PSU
engages the connector inside the chassis.
4.
Turn the thumbscrew located at the top of the power supply latch clockwise, until it is finger-tight, to
secure the latch to the power supply unit within the enclosure.
5.
If replacing two power supply modules, repeat
through
NOTE:
AC PSUs—with or without a power switch—are compatible with one another in that the two
different models can coexist in the same enclosure, and are interchangeable, provided they are of the
same form factor/physical size and power rating.
AC model without power switch
AC model with power switch
DC model with
power switch
