Removable Power Supply and Fan
6
Installing a Power Supply Unit or Fan
Use these instructions to install PSUs, chassis fan modules and FOMs.
■
Do not combine PWR01 and PWR02 PSUs in the same switch.
■
For the x900-24XT and x900-24XS running AlliedWare Plus
Operating
System you may combine AC and DC PSUs in the same switch. Do not
combine AC and DC PSUs in the same switch for any other models.
Caution
When combining AC and DC PSUs in the same switch, take special
care, to avoid earth loops between the AC and DC power supply systems. If
you are unsure about correct procedures, contact your authorised Allied
Telesis distributor or reseller.
Before you begin
■
Read the safety information for the switch.
Safety information is in the
x900 Series Switch and SwitchBlade
®
x908
Installation and Safety Guide
. You can download this document from
www.alliedtelesis.com/support/software
.
■
Gather necessary tools and equipment.
You will need an appropriate flat-bladed or Phillips (#1) screwdriver to tighten
or loosen the captive screws.
■
Verify the package contents if you have not already done so.
See
“Package Contents” on page 5
. Contact your authorised Allied Telesis
distributor or reseller if items are damaged or missing.
■
Remove the unit from its packing material in an anti-static environment.
Caution
Follow correct anti-static procedures. Failure to do so could
damage the PSU, fan, or switch. If you are unsure about correct procedures,
contact your authorised Allied Telesis distributor or reseller.
Caution
When adding or replacing power supplies, keep your hands and
fingers out of the power supply bays. After installing a PWR05 power supply,
use a screwdriver to tighten the captive screw such that a screwdriver will be
required to remove the PSU at a later date.
