NEC BBU User Manual
User Guide
SA2500/WA2500
Battery Backup Unit
for 8480E and 8408E DACs
This page is deliberately left empty.
User Guide
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www.nec-computers.com
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is the valuable property of NEC Computers and/or its licensors. NEC Computers and/
or its licensors, as appropriate, reserve all patent, copyright and other proprietary rights
to this document, including all design, manufacturing, reproduction, use, and sales
rights thereto, except to the extent said rights are expressly granted to others.
To allow for design and specification improvements, the information in this document
is subject to change at any time, without notice. Reproduction of this document or
portions thereof without prior written approval of NEC Computers is prohibited.
The NEC Computers product(s) discussed in this document are warranted in
accordance with the terms of the Warranty Statement accompanying each product.
However, actual performance of each product is dependent upon factors such as system
configuration, customer data, and operator control. Since implementation by customers
of each product may vary, the suitability of specific product configurations and
applications must be determined by the customer and is not warranted by NEC
Computers.
Trademarks
NEC ESMPRO, NEC DianaScope, NEC MWA, and ExpressBuilder are trademarks or
registered trademarks of NEC Corporation.
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Microsoft, Microsoft Windows, Windows NT, Windows 95, Windows 98, Windows
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All other product, brand, or trade names used in this publication are the trademarks or
registered trademarks of their respective trademark owners.
rev 1.0 September 2006
Copyright 2006
All Rights Reserved
NEC Computers S.A.S.
10 rue Godefroy
Immeuble OPTIMA
92821 PUTEAUX
Preface
Congratulations on your purchase of the Additional Disk Array Controller Battery, also referred to as Battery
Backup Unit (BBU).
This User Guide describes how to install and use the Battery Backup Unit correctly and safely. Read the
guide thoroughly before handling it.
Also refer to this manual when you want to know how to use it or if some malfunction occurs. Keep the
manual handy for future reference. We recommend you carefully read the "Notes on Use" se ction before
handling the disk array controller.
For more information on the Disk Ar ray Controller (SAS) to which the BBU is connected, refer to the Disk
Array Controller User Guide.
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Keep this User's Guide handy for quick reference.
Be sure to read this section carefully.
NOTES ON USE - Always read the Notes -
The following includes information necessary for proper and safe operation of the product.
SAFETY INDICATIONS
In the User Guide, "WARNING" or "CAUTION" is used to indicate a degree of danger. These terms are
defined as follows:
WARNING
Indicates a hazard that may result in death or serious personal injury.
CAUTION
Indicates a hazard that may cause minor personal injury, including burns, or
property damage.
Precautions against hazards are presented with the following symbols. The individual symbols are defined a s
follows:
Attention
This symbol indicates a hazard.
An image in the symbol illustrates the hazard type.
(Example)
Precaution against
electric shock
Prohibited
Action
This symbol indicates prohibited actions. An image
in the symbol illustrates a particular prohibited action.
(Example)
Prohibition of
disassembly
Mandatory
Action
This symbol indicates mandatory actions. An image
in the symbol illustrates a mandatory action to avoid
a particular hazard.
(Example)
Unplug the power cord!
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Symbols Used in This Manual and Warning Labels
Cautions
Indicates a general notice or warning that cannot be specifically identified.
Indicates that improper use may cause an electric shock.
Indicates that improper use may cause a personal injury.
Indicates that improper use may cause fumes or fire.
Prohibited Actions
Indicates a general prohibited action that cannot be specifically identified.
Do not disassemble, repair, or modify the server. Doing so may cause an electric
shock or fire.
Mandatory Action
Unplug the power cord of the server. Not doing so may cause an electric shock or fire.
Indicates a mandatory action that cannot be specifically identified. Make sure to
follow the instruction.
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Safety Notes
Read the notes described below carefully to understand them, these will enable you to safely use your
product. See "Safety Indications" described earlier for the descriptions of symbols.
General
WARNING
Do not use the product for services involving human lives or requiring high
eliability.
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The product is not intended to be used with or control facilities or devices
concerning human lives, including medical devices, nuclear facilities and devices,
aeronautics and space devices, transportation facilities and devices; and facilities
and devices requiring high reliability. The manufacturer assumes no liability for any
accident resulting in personal injury, death, or property damage if the Disk
Expansion Unit has been used in the above conditions.
Do not use the product if you are aware of any suspect smoke, odour, or
oise.
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If smoke, odour, or noise is present, immediately switch off the unit and disconnect
the power plug from the outlet. Contact your sales agent. Using the product in
such conditions may cause a fire.
Keep needles or metal objects away from the server.
Do not insert needles or metal objects into the ventilation holes or cartridge slot of
the server. Doing so may cause an electric shock.
Keep water or foreign matter away from the server.
Do not let any form of liquid (water etc.) or foreign matter (e.g., pins or paper clips)
enter the server. Failure to follow this warning may cause an electric shock, a fire, or
a failure of the server. When such things accidentally enter the server, immediately
turn off the power and disconnect the power plug from the AC outlet. Do not
disassemble the server. Contact your service representative.
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Power Supply and Power Cord Use
CAUTION
Disconnect the power cord(s) before installing or removing the product
in/from the server.
Make sure to power off the server and disconnect the power cord(s) from the power
outlet before installing/removing the product in/from the server, or connecting with
the peripheral devices. All voltage is removed only when the power cords are
unplugged.
Always observe the following to prevent an electric shock or fire that could be
aused by a damaged cord.
c
Do not stretch the cord harness.
Do not pinch the power cord.
Do not bend the power cord.
Keep chemicals away from the power cord.
Do not twist the power cord.
Do not place any object on the power cord.
Do not bundle power cords.
Do not alter, modify, or repair the power cord.
Do not secure the power cord with staples or equivalents.
Do not use a damaged power cord. (Replace a damaged power cord with a
new one of the same specifications. Ask your sales agent for replacement.)
Do not hold the power plug if your hands are wet.
Do not disconnect/connect the plug while your hands are wet. Failure to follow this
warning may cause an electric shock.
Do not pull the cable when disconnecting the power cord.
When disconnecting the power cord from the server, hold the plug and pull it straight
out. Pulling the cord out by the cable portion could damage the cable to result in an
electrical shock hazard or a fire.
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Installation, Relocation, Storage, and Connection
CAUTION
Do not connect any interface cable when the power cord of the Disk
Expansion Unit is plugged to a power source.
Make sure to power off the server and unplug the power cord from a power outlet
before connecting/disconnecting the interface cable. If the server is off-powered but
its power cord is plugged to a power source, touching the cable may cause an
electric shock or a fire may result from a short circuit. Also, connect/disconnect the
interface cable after turning off the power of the destination.
Do not use any unauthorized interface cable.
Use only interface cables authorized by the manufacturer and locate a proper
device and connector before connecting a cable. Using an unauthorized cable or
connecting a cable to an improper destination may cause a short circuit, resulting in
a fire.
Also, observe the following notes on using and connecting an interface cable.
Do not step on the cable.
Do not place any object on the cable.
Do not use the server with loose cable connections.
Do not use any damaged cable connector.
Make sure the cable is securely locked with the relevant screws.
Do not use or store the product in the place where corrosive gases exist.
Make sure not to locate or use the server in the place where corrosive gases
(sulphur dioxide, hydrogen sulphide, nitrogen dioxide, chlorine, ammonia, ozone,
etc) exist.
Also, do not set it in the environment where the air (or dust) includes components
accelerating corrosion (ex. sulphur, sodium chloride) or conductive metals. There is
a risk of a fire due to corrosion and/or short-circuits of an internal printed board.
Avoid installation in extreme temperature conditions.
Immediately after the server is powered off, its internal components such as hard
disk drives are very hot. Let the installed components fully cool down before
installing/removing anything.
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