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The latest B5 documentation is located online at:
www.enterasys.com/support/manuals
Warranty
Warranty information for the B5 switch is located online at:
www.enterasys.com/support/warranty.aspx
www.enterasys.com/company/literature/enterasys‐lw‐ds.pdf
Notice
Enterasys Networks reserves the right to make changes in specifications and other information
contained in this document and its web site without prior notice. The reader should in all cases
consult Enterasys Networks to determine whether any such changes have been made.
The hardware, firmware, or software described in this document is subject to change without
notice.
IN NO EVENT SHALL ENTERASYS NETWORKS BE LIABLE FOR ANY INCIDENTAL,
INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT
NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS DOCUMENT, WEB
SITE, OR THE INFORMATION CONTAINED IN THEM, EVEN IF ENTERASYS NETWORKS HAS
BEEN ADVISED OF, KNEW OF, OR SHOULD HAVE KNOWN OF, THE POSSIBILITY OF SUCH
DAMAGES.
Enterasys Networks, Inc.
50 Minuteman Road
Andover, MA 01810
© 2010 Enterasys Networks, Inc. All rights reserved.
Part Number: 9034512‐01 February 2010
ENTERASYS, ENTERASYS NETWORKS, ENTERASYS SECURE NETWORKS, NETSIGHT,
ENTERASYS NETSIGHT, and any logos associated therewith, are trademarks or registered
trademarks of Enterasys Networks, Inc., in the United States and/or other countries. For a complete
list of Enterasys trademarks, see http://www.enterasys.com/company/trademarks.aspx.
All other product names mentioned in this manual may be trademarks or registered trademarks of
their respective companies.
Regulatory Compliance Information
Federal Communications Commission (FCC) Notice
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a class A digital
device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment uses, generates, and can radiate radio frequency energy and if not
installed in accordance with the operator's manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause interference in
which case the user will be required to correct the interference at his own expense.
WARNING: Changes or modifications made to this device which are not expressly approved by
the party responsible for compliance could void the user's authority to operate the equipment.
Industry Canada Notice
This digital apparatus does not exceed the class A limits for radio noise emissions from digital
apparatus set out in the Radio Interference Regulations of the Canadian Department of
Communications.
Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites
applicables aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage
radioélectrique édicté par le ministère des Communications du Canada.
Class A ITE Notice
WARNING: This is a Class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
Clase A. Aviso de ITE
ADVERTENCIA: Este es un producto de Clase A. En un ambiente doméstico este producto puede
causar interferencia de radio en cuyo caso puede ser requerido tomar medidas adecuadas.
Klasse A ITE Anmerkung
WARNHINWEIS: Dieses Produkt zählt zur Klasse A ( Industriebereich ). In Wohnbereichen kann
es hierdurch zu Funkstörungen kommen, daher sollten angemessene Vorkehrungen zum Schutz
getroffen werden.
VCCI Notice
This is a class A product based on the standard of the Voluntary Control Council for Interference by
Information Technology Equipment (VCCI). If this equipment is used in a domestic environment,
radio disturbance may arise. When such trouble occurs, the user may be required to take corrective
actions.
BSMI EMC Statement — Taiwan
This is a class A product. In a domestic environment this product may cause radio interference in
which case the user may be required to take adequate measures.
AS/NZS CISPR 22
Hazardous Substances
This product complies with the requirements of European Directive, 2002/95/EC, Restriction of
Hazardous Substances (RoHS) in Electrical and Electronic Equipment.
European Waste Electrical and Electronic Equipment (WEEE) Notice
In accordance with Directive 2002/96/EC of the European Parliament on waste electrical and
electronic equipment (WEEE):
1. The symbol above indicates that separate collection of electrical and electronic equipment is
required and that this product was placed on the European market after August 13, 2005, the
date of enforcement for Directive 2002/96/EC.
2. When this product has reached the end of its serviceable life, it cannot be disposed of as unsorted
municipal waste. It must be collected and treated separately.
3. It has been determined by the European Parliament that there are potential negative effects on
the environment and human health as a result of the presence of hazardous substances in
electrical and electronic equipment.
4. It is the users' responsibility to utilize the available collection system to ensure WEEE is properly
treated.
For information about the available collection system, please go to
www.enterasys.com/services/support/
or contact Enterasys Customer Support at 353 61 705586
(Ireland).
Supplement to Product Instructions
(Hazardous Substance)
(Parts)
(Metal Parts)
Circuit Modules)
Cables & Cable Assemblies)
(Plastic and Polymeric parts)
Circuit Breakers)
SJ/T 11363-2006
Indicates that the concentration of the hazardous substance in all homogeneous materials in the parts is
below the relevant threshold of the SJ/T 11363-2006 standard.
SJ/T 11363-2006
Indicates that the concentration of the hazardous substance of at least one of all homogeneous
materials in the parts is above the relevant threshold of the SJ/T 11363-2006 standard.
This table shows where these substances may be found in the supply chain of Enterasys' electronic
information products, as of the date of sale of the enclosed product. Note that some of the component types
listed above may or may not be a part of the enclosed product.
The Environmentally Friendly Use Period (EFUP) for all enclosed products and their parts
are per the symbol shown here, unless otherwise marked. Certain parts may have a
different EFUP (for example, battery modules) and so are marked to reflect such. The
Environmentally Friendly Use Period is valid only when the product is operated under the
conditions defined in the product manual.
Safety Information
Class 1 Laser Transceivers
The single mode interface modules use Class 1 laser transceivers. Read the
following safety information before installing or operating these modules.
The Class 1 laser transceivers use an optical feedback loop to maintain Class 1 operation limits. This
control loop eliminates the need for maintenance checks or adjustments. The output is factory set,
and does not allow any user adjustment. Class 1 Laser transceivers comply with the following
safety standards:
• 21 CFR 1040.10 and 1040.11 U.S. Department of Health and Human Services (FDA).
• IEC Publication 825 (International Electrotechnical Commission).
• CENELEC EN 60825 (European Committee for Electrotechnical Standardization).
When operating within their performance limitations, laser transceiver output meets the Class 1
accessible emission limit of all three standards. Class 1 levels of laser radiation are not considered
hazardous.
When the connector is in place, all laser radiation remains within the fiber. The maximum amount
‐6
of radiant power exiting the fiber (under normal conditions) is ‐12.6 dBm or 55 x 10
watts.
Removing the optical connector from the transceiver allows laser radiation to emit directly from the
optical port. The maximum radiance from the optical port (under worst case conditions) is 0.8 W
‐2
3
2
cm
or 8 x 10
W m
sr‐1.
Do not use optical instruments to view the laser output. The use of optical instruments to view
laser output increases eye hazard. When viewing the output optical port, power must be
removed from the network adapter.
Safety Compliance
Warning: Fiber Optic Port Safety
When using a fiber optic media expansion module, never look at the
transmit laser while it is powered on. Also, never look directly at the
fiber TX port and fiber cable ends when they are powered on.
Avertissment: Ports pour fibres optiques - sécurité sur le plan optique
Ne regardez jamais le laser tant qu'il est sous tension. Ne regardez
jamais directement le port TX (Transmission) à fibres optiques et les
embouts de câbles à fibres optiques tant quʹils sont sous tension.
Warnhinweis: Faseroptikanschlüsse - Optische Sicherheit
Niemals ein Übertragungslaser betrachten, während dieses
eingeschaltet ist. Niemals direkt auf den Faser‐TX‐Anschluß und auf
die Faserkabelenden schauen, während diese eingeschaltet sind.
Declaration of Conformity
Application of Council Directive(s): 2004/108/EC
2006/95/EC
Manufacturer's Name: Enterasys Networks, Inc.
Manufacturer's Address: 50 Minuteman Road
Andover, MA 01810
USA
European Representative Address: Enterasys Networks Ltd.
Nexus House, Newbury
Business Park
London Road, Newbury
Berkshire RG14 2PZ, England
Conformance to
Directive(s)/Product Standards: EC Directive 2004/108/EC
EN 55022:2006
EN 55024:1998
EN 61000‐3‐2:2006
EN 61000‐3‐3:1995
EC Directive 2006/95/EC
EN 60950‐1:2006
EN 60825‐1:2007
EN 60825‐2:2004
Equipment Type/Environment: Information Technology Equipment,
for use in a Commercial
or Light Industrial Environment.
Enterasys Networks, Inc. declares that the equipment packaged with this notice
conforms to the above directives.
Enterasys
B5
®
Gigabit Ethernet Switch
Quick Reference
B5G124-24, B5G124-24P2
B5G124-48, B5G124-48P2
B5K125-24, B5K125-24P2
B5K125-48, B5K125-48P2
P/N 9034512-01
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