IBM EXN1000 Manuale utente

IBM System Storage EXN1000 Storage Expansion Unit

Hardware and Service Guide

GC26-7802-02

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IBM System Storage EXN1000 Storage Expansion Unit

Hardware and Service Guide

GC26-7802-02

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Note:

Before using this information and the product it supports, be sure to read the general information in “Notices”

on page 51.

The following paragraph does not apply to any country (or region) where such provisions are inconsistent with local

law.

INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUT

WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

WARRANTIES OF MERCHANTABILITY OR FITNESS FOR APARTICULAR PURPOSE. Some states (or regions) do

not allow disclaimer of express or implied warranties in certain transactions; therefore, this statement may not apply

to you.

Order publications through your IBM representative or the IBM branch office serving your locality.

US Government Users Restricted Rights –Use, duplication or disclosure restricted by GSA ADP Schedule Contract

with IBM Corp.

Safety and environmental notices

This section contains information about:

v“Safety notices and labels”

v“Laser safety” on page vii

v“Rack safety” on page viii

v“Product recycling and disposal” on page xi

v“Battery return program” on page xii

v“Fire suppression systems” on page xiii

Safety notices and labels

When using this product, observe the danger, caution, and attention notices

contained in this guide. The notices are accompanied by symbols that

represent the severity of the safety condition.

The following sections define each type of safety notice and provide

examples.

The following notices and statements are used in IBM®documents. They are

listed below in order of increasing severity of potential hazards. Follow the

links for more detailed descriptions and examples of the danger, caution, and

attention notices in the sections that follow.

vNote: These notices provide important tips, guidance, or advice.

v“Attention notices” on page vii: These notices indicate potential damage to

programs, devices, or data.

v“Caution notices” on page vi: These statements indicate situations that can

be potentially hazardous to you.

v“Danger notices”: These statements indicate situations that can be

potentially lethal or extremely hazardous to you. Safety labels are also

attached directly to products to warn of these situations.

vIn addition to these notices, “Labels” on page vi may be attached to the

product to warn of potential hazards.

Danger notices

Adanger notice calls attention to asituation that is potentially lethal or

extremely hazardous to people. Alightning bolt symbol accompanies adanger

notice to represent adangerous electrical condition. Asample danger notice

follows.

©Copyright IBM Corp. 2005, 2007 iii

DANGER

An electrical outlet that is not correctly wired could place

hazardous voltage on metal parts of the system or the devices

that attach to the system. It is the responsibility of the

customer to ensure that the outlet is correctly wired and

grounded to prevent an electrical shock. (D004)

Acomprehensive danger notice provides instructions on how to avoid shock

hazards when servicing equipment. Unless instructed otherwise, follow the

procedures in the following danger notice.

DANGER

When working on or around the system, observe the following

precautions:

Electrical voltage and current from power, telephone, and

communication cables are hazardous. To avoid ashock hazard:

vConnect power to this unit only with the IBM provided

power cord. Do not use the IBM provided power cord for

any other product.

vDo not open or service any power supply assembly.

vDo not connect or disconnect any cables or perform

installation, maintenance, or reconfiguration of this product

during an electrical storm.

vThe product might be equipped with multiple power cords.

To remove all hazardous voltages, disconnect all power

cords.

vConnect all power cords to aproperly wired and grounded

electrical outlet. Ensure outlet supplies proper voltage and

phase rotation according to the system rating plate.

vConnect any equipment that will be attached to this product

to properly wired outlets.

vWhen possible, use one hand only to connect or disconnect

signal cables.

vNever turn on any equipment when there is evidence of fire,

water, or structural damage.

vDisconnect the attached power cords, telecommunications

systems, networks, and modems before you open the device

covers, unless instructed otherwise in the installation and

configuration procedures.

vConnect and disconnect cables as described below when

installing, moving, or opening covers on this product or

attached devices.

To Disconnect:

1. Turn off everything (unless instructed otherwise).

2. Remove power cords from the outlet.

3. Remove signal cables from connectors.

4. Remove all cables from devices.

To Connect:

1. Turn off everything (unless instructed otherwise).

2. Attach all cables to devices.

3. Attach signal cables to the connectors.

4. Attach power cords to the outlets.

5. Turn on the devices.

(D005)

Safety and environmental notices v

Labels

As an added precaution, safety labels are often installed directly on products

or product components to warn of potential hazards.

The actual product safety labels may differ from these sample safety labels:

(L001)

DANGER

Hazardous voltage, current, or energy levels are

present inside any component that has this label

attached. Do not open any cover or barrier that

contains this label.

(L003)

DANGER

Multiple power cords. The product might be equipped

with multiple power cords. To remove all hazardous

voltages, disconnect all power cords.

Caution notices

Acaution notice calls attention to asituation that is potentially hazardous to

people because of some existing condition. Acaution notice can be

accompanied by different symbols, as in the examples below:

If the symbol is... It means...

Ahazardous electrical condition with less severity than

electrical danger.

Agenerally hazardous condition not represented by

other safety symbols.

Ahazardous condition due to the use of alaser in the

product. Laser symbols are always accompanied by the

classification of the laser as defined by the U. S.

Department of Health and Human Services (for

example, Class I, Class II, and so forth).

Attention notices

An attention notice indicates the possibility of damage to aprogram, device,

or system, or to data. An exclamation point symbol may accompany an

attention notice, but is not required. Asample attention notice follows:

Attention: Do not bend afibre cable to aradius less than 5cm (2

in.); you can damage the cable. Tie wraps are not recommended for

optical cables because they can be easily overtightened, causing

damage to the cable.

Laser safety

When using an NVRAM5 or NVRAM6 cluster media converter, the storage

system must be installed in arestricted access location.

CAUTION:

This product contains aClass 1M laser. Do not view directly with

optical instruments. (C028)

This equipment contains Class 1laser products, and complies with FDA

radiation Performance Standards, 21 CFR Subchapter Jand the international

laser safety standard IEC 825-2.

CAUTION:

Data processing environments can contain equipment transmitting on

system links with laser modules that operate at greater than Class 1

power levels. For this reason, never look into the end of an optical

fiber cable or open receptacle. (C027)

Attention: In the United States, use only SFP or GBIC optical transceivers

that comply with the FDA radiation performance standards, 21 CFR

Subchapter J. Internationally, use only SFP or GBIC optical transceivers that

comply with IEC standard 825–1. Optical products that do not comply with

these standards may produce light that is hazardous to the eyes.

Usage restrictions

The optical ports of the modules must be terminated with an optical

connector or with adust plug.

Safety and environmental notices vii

Rack safety

Rack installation

DANGER

Observe the following precautions when working on or

around your IT rack system:

vHeavy equipment -personal injury or equipment damage

might result if mishandled.

vAlways lower the leveling pads on the rack cabinet.

vAlways install stabilizer brackets on the rack cabinet.

vTo avoid hazardous conditions due to uneven mechanical

loading, always install the heaviest devices in the bottom of

the rack cabinet. Always install servers and optional devices

starting from the bottom of the rack cabinet.

vRack-mounted devices are not to be used as shelves or work

spaces. Do not place objects on top of rack-mounted

devices.

vEach rack cabinet might have more than one power cord. Be

sure to disconnect all power cords in the rack cabinet when

directed to disconnect power during servicing.

vConnect all devices installed in arack cabinet to power

devices installed in the same rack cabinet. Do not plug a

power cord from adevice installed in one rack cabinet into

apower device installed in adifferent rack cabinet.

vAn electrical outlet that is not correctly wired could place

hazardous voltage on the metal parts of the system or the

devices that attach to the system. It is the responsibility of

the customer to ensure that the outlet is correctly wired and

grounded to prevent an electrical shock.

(R001 part 1of 2

viii

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