3Com 3CBLUG24A Manuel utilisateur
3Com Baseline Switch 2816(3CBLUG16A)
3Com Baseline Switch 2824(3CBLUG24A)
User Guide
Manual Version: 6PW103
www.3com.com
3Com Corporation
350 Campus Drive,
Marlborough, MA, USA
01752 3064
Copyright © 2009-2011, 3Com Corporation. All rights reserved. No part of this
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If you are a United States government agency, then this documentation and the
software described herein are provided to you subject to the following:
All technical data and computer software are commercial in nature and developed
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as defined in DFARS 252.227-7014 (June 1995) or as a “commercial item” as defined
in FAR 2.101(a) and as such is provided with only such rights as are provided in
3Com’s standard commercial license for the Software. Technical data is provided
with limited rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR
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It is the policy of 3Com Corporation to be environmentally-friendly in all operations.
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3Com processes allow for the recovery, reclamation and safe disposal of all
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Regulated Materials Statement
3Com products do not contain any hazardous or ozone-depleting material.
Environmental Statement about the Documentation
The documentation for this product is printed on paper that comes from sustainable,
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About This Manual
Organization
3Com Switch 2816/2824 User Guide is organized as follows:
Chapter Contents
1 Product Overview Introduces the hardware features,
LEDs, and network design of the switch.
2 Installing the Switch Introduces how to install the switch.
3 Problem Solving Introduces how to solve some common
problems of the switch.
Appendix A - Safety
Information Introduces the safety information before
installing the Switch.
Appendix B - Regulatory
Information Introduces the regulatory information for
your switch.
Appendix C - Collection List of
the Hazardous Substances Lists the collection of the hazardous
substances.
Conventions
Convention Description
Means reader be extremely careful. Improper
operation may cause bodily injury.
Means reader be careful. Improper operation may
cause data loss or damage to equipment.
Means a complementary description.
Obtaining Documentation
You can access the most up-to-date 3Com product documentation on
the World Wide Web at this URL: http://www.3com.com.
i
Table of Contents
1 Product Overview ....................................................................................1
Introduction............................................................................................1
Summary of Hardware Features ........................................................... 1
Physical Features..................................................................................4
Front Panel ....................................................................................4
Rear Panel..................................................................................... 4
Description of LEDs ..............................................................................4
Technical Specifications........................................................................5
Network Design.....................................................................................7
2 Installing the Switch ................................................................................9
Package Contents...............................................................................10
Positioning the Switch .........................................................................10
Rack Mounting ....................................................................................12
Powering On........................................................................................13
3 Problem Solving ....................................................................................15
Appendix A - Safety Information.............................................................17
Important Safety Information...............................................................17
L’information de Sécurité Importante ..................................................19
Wichtige Sicherheitsinformationen......................................................20
Información de Seguridad Importante.................................................22
Importanti Informazioni di Sicurezza...................................................24
Ważne Informacje o Zabezpieczeniach ..............................................26
Informações de segurança importantes..............................................28
Appendix B - Regulatory Information.....................................................30
FCC Statement ............................................................................30
Information to the User ................................................................30
CE Statement (Europe) ...............................................................31
ii
ICES Statement...........................................................................31
VCCI Statement...........................................................................32
CCC Statement............................................................................32
Appendix C - Collection List of the Hazardous Substances................33
1
1 Product Overview
Introduction
The 3Com Baseline Switch 2824 and the 3Com Baseline Switch 2816
are versatile, easy-to-use, unmanaged gigabit switches. It is ideal for
users who want the high-speed performance of 10/100/1000 switching
but do not need sophisticated management functions. The Switch is
shipped ready for use, and operational straight out of the box. No
configuration is necessary. Your 3Com Baseline Switch incorporates
the latest in Green technology to yield more than 20% power savings
over the previous generation technology.
Figure 1-1 Appearance
Summary of Hardware Features
Table 1-1 summarizes the hardware features supported by the
Switch.
2
Table 1-1 Hardware Features
Feature Description
Auto-negotiation Supported on all ports.
Forwarding Modes Store and Forward.
Mac Address Table 8K
Port throughput z2816: 32Gbps
z2824: 48Gbps
Auto MDI/MDIX Supported on all ports.
Traffic Prioritization
The Switch offers priority queuing, which
means all packets that are received are
examined to see if they have been priority
encoded. When a packet is received, the
Switch will read the priority level and
determine the appropriate queue to
forward the packet based on the priority
level. High priority data is forwarded
through the Switch without being delayed
by lower priority data.
This feature can be useful, for example,
during excessive loads when one type of
traffic may require priority over another.
The Switch is configured to comply with
802.1 p, VLAN tagged frames.
Notes:
The traffic prioritization feature supported
by the Switch is compatible with the
relevant sections of the IEEE 802.1 D
standard (incorporating IEEE 802.1 p).
3
Feature Description
Ethernet Ports
The Switch has 24/16 10/100/1000 Mbps
auto-negotiating ports. Each port
automatically negotiates with the attached
device to determine the correct speed and
duplex mode of operation. Once
negotiated, the port will operate in one of
the following modes:
z10BASE-T half duplex
z10BASE-T full duplex
z100BASE-TX half duplex
z100BASE-TX full duplex
z1000BASE-T full duplex
WARNING:
RJ-45 ports. These are shielded RJ-45
data sockets. They cannot be used as
standard traditional telephone sockets, or
to connect the unit to a traditional PBX or
public telephone network. Only connect
RJ-45 data connectors, network telephony
systems, or network telephones to these
sockets. Either shielded or unshielded
data cables with shielded or unshielded
jacks can be connected to these data
sockets.
Mounting 19-inch rack or standalone mounting.
Fanless design Silent operation whether used in a rack or
desktop situation.
Green Technology
When no connection exists or a short
network cable is used, power consumption
can be reduced automatically to save
energy.
Ce manuel convient aux modèles suivants
4
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