IBM N7800 Bedienungsanleitung
IBM System Storage
N7000 Series Hardware and Service Guide
Covering the N7600, N7800, N7700, and N7900 systems
GC26-7953-13
IBM System Storage
N7000 Series Hardware and Service Guide
Covering the N7600, N7800, N7700, and N7900 systems
GC26-7953-13
Note:
Before using this information and the product it supports, be sure to read the general information in “Notices” on page 143.
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 A PARTICULAR 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.
© ibm 2006, 2013
Safety notices
This section contains information about:
v“Safety notices and labels”
v“Laser safety” on page vi
v“Rack safety” on page vii
v“Fire suppression systems” on page ix
For information about environmental notices, see the IBM®Environmental Notices
and User Guide.
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 v: These notices indicate potential damage to
programs, devices, or data.
v“Caution notices” on page v: 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 v may be attached to the product
to warn of potential hazards.
Danger notices
About this task
A danger notice calls attention to a situation that is potentially lethal or extremely
hazardous to people. A lightning bolt symbol accompanies a danger notice to
represent a dangerous electrical condition. A sample danger notice follows.
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)
iii
A comprehensive 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 a shock 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 a properly 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)
iv IBM System Storage: N7000 Series Hardware and Service Guide
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
A caution notice calls attention to a situation that is potentially hazardous to
people because of some existing condition. A caution notice can be accompanied
by different symbols, as in the examples below:
If the symbol is... It means....
A hazardous electrical condition with less severity than
electrical danger.
A generally hazardous condition not represented by other
safety symbols.
A hazardous condition due to the use of a laser 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 a program, device, or
system, or to data. An exclamation point symbol may accompany an attention
notice, but is not required. A sample attention notice follows:
Attention: Do not bend a fibre cable to a radius less than 5 cm (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.
Safety notices v
Laser safety
Note: When using an NVRAM5 or NVRAM6 active/active or high availability
copper-fiber converter, the storage system must be installed in a restricted access
location.
CAUTION:
This product contains a Class 1M laser. Do not view directly with optical
instruments. (C028)
This equipment contains Class 1 laser products, and complies with FDA radiation
Performance Standards, 21 CFR Subchapter J and 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 a dust plug.
vi IBM System Storage: N7000 Series Hardware and Service Guide
Rack safety
Rack installation
About this task
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 a rack cabinet to power devices
installed in the same rack cabinet. Do not plug a power cord
from a device installed in one rack cabinet into a power device
installed in a different 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 1 of 2)
Safety notices vii
CAUTION:
vDo not install a unit in a rack where the internal rack ambient temperatures
will exceed the manufacturer's recommended ambient temperature for all your
rack-mounted devices.
vDo not install a unit in a rack where the air flow is compromised. Ensure that
air flow is not blocked or reduced on any side, front, or back of a unit used
for air flow through the unit.
vConsideration should be given to the connection of the equipment to the
supply circuit so that overloading of the circuits does not compromise the
supply wiring or overcurrent protection. To provide the correct power
connection to a rack, refer to the rating labels located on the equipment in the
rack to determine the total power requirement of the supply circuit.
v(For sliding drawers.) Do not pull out or install any drawer or feature if the rack
stabilizer brackets are not attached to the rack. Do not pull out more than one
drawer at a time. The rack might become unstable if you pull out more than
one drawer at a time.
v(For fixed drawers) This drawer is a fixed drawer and should not be moved for
servicing unless specified by manufacturer. Attempting to move the drawer
partially or completely out of the rack may cause the rack to become unstable
or cause the drawer to fall out of the rack.
(R001 part 2 of 2)
viii IBM System Storage: N7000 Series Hardware and Service Guide
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