Allied Telesis, Inc. reserves the right to change specifications and other
information in this document without prior written notice. The information
provided herein is subject to change without notice. In no event shall Allied
Telesis, Inc. be liable for any incidental, special, indirect, or consequential
damages whatsoever, including but not limited to lost profits, arising out of or
related to this manual or the information contained herein, even if Allied Telesis,
Inc. has been advised of, known, or should have known, the possibility of such
damages.
Allied Telesis, AlliedWare, AlliedWare Plus, and SwitchBlade are trademarks or
registered trademarks in the United States and elsewhere of Allied Telesis, Inc.
Adobe, Acrobat, and Reader are either registered trademarks or trademarks of
Adobe Systems Incorporated in the United States and/or other countries.
Microsoft and Visio are either registered trademarks or trademarks of Microsoft
Corporation in the United States and/or other countries. Additional brands,
names and products mentioned herein may be trademarks of their respective
companies.
2
Installation Guide
Contents
About this Guide .............................................................................................................. 4
EC Declaration of Conformity .................................................................................... 20
3
Removable Power Supply and Fan
About this Guide
This Installation Guide describes how to install the following PSUs and fans:
■ AT-PWR01 PSU, either AC or DC power supply unit
■ AT-P W R 0 2 P S U , AC only
■ AT-P W R 0 5 P S U , AC only
■ AT-FAN01, fan-only module
■ AT-FAN03, chassis fan module
Compatible Switches
The following table shows which models of PSUs and fans are appropriate for
individual switches.
SwitchPWR01 PWR02 PWR05 FAN01FAN03
AT-8948
x900-48FE
x900-48FS
AT-9924T
AT-9924SP
AT-9924Ts
x900-24XT
x900-24XT-N
x900-24XS
SwitchBlade®x908
You can download complete documentation for these switches from
www.alliedtelesis.com/support/software. For more information about the
documentation and other resources, see “Obtaining Documentation and
Resources” on page 17.
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4
Installation Guide
Package Contents
Depending on the model, switches are shipped with a single supply unit (PSU),
either AC or DC. Some models also have fan-only modules (FOM), chassis fan
modules, or blanking plates.
■ The AT-8948, AT-9924Ts, x900-24XT, x900-24XT-N, and x900-24XS
switches have a PSU and a FOM installed.
■ The x900-48FE, x900-48FS, AT-9924T, and AT-9924SP switches have a PSU
and a blanking plate installed.
■ The SwitchBlade
blanking plates, but no PSUs.
The following items are included with each factory-installed PSU. Contact your
authorised Allied Telesis distributor or reseller if any are damaged or missing.
■ one AC power cord (AC models)
■ one power cord retaining clip (AC models)
■ one warranty card
The following items are included with PSUs when purchased separately:
■ one AC power cord (AC models)
■ one power cord retaining clip (PWR01 and PWR02 AC models only)
■ one clip-on ferrite core (PWR05 only)
■ this Installation Guide
■ one warranty card
®
x908 is shipped with dual chassis fan modules and
The following items are included with fans when purchased separately:
■ this Installation Guide
■ one warranty card
5
Removable Power Supply and Fan
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.
■ Do not combine AC and DC PSUs in the same switch.
Before you begin
■ Read the safety information for the switch.
Safety information is in the x900 Series Switch and SwitchBlade
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.
®
x908
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.
6
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