TRENDnet TEG-S240TX - DATA SHEETS Manuale utente

TEG-S240TX

24-Port 10/100/100Mbps

Copper Gigabit Ethernet Switch

User’s Guide

FCC Warning

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

generates, uses, and can radiate radio frequency energy and, if

not installed and used in accordance with this user’s guide,

may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to

cause harmful interference in which case the user will be

required to correct the interference at his own expense.

CE Mark 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.

VCCI Warning

This is a product of VCCI Class A Compliance.

UL Warning

a) Elevated Operating Ambient Temperature-If installed in a

closed or multi-unit rack assembly, the operating ambient

temperature of the rack environment may be greater than room

ambient. Therefore, consideration should be given to installing

the equipment in an environment compatible with the

manufacturer's maximum rated ambient temperature (Tmra).

b) Reduced Air Flow-Installation of the equipment in a rack

should be such that the amount of air flow required for safe

operation of the equipment is not compromised.

c) Mechanical Loading-Mounting of the equipment in the rack

should be such that a hazardous condition is not achieved due

to uneven mechanical loading.

d) Circuit Overloading-Consideration should be given to the

connection of the equipment to the supplycircuit and the effect

that overloading of circuits might have on over current

protection and supply wiring. Appropriate consideration of

equipment nameplate ratings should be used when addressing

this concern.

e) Reliable Earthing-Reliable earthing of rack-mounted

equipment should be maintained. Particular attention should be

given to supply connections other than direct connections to

the branch circuit (e.g., use of power strips).

TABLE OF CONTENTS

ABOUT THIS GUIDE.............................................1

TERMS.....................................................................1

OVERVIEW OF THIS USER’S GUIDE............................1

INTRODUCTION...................................................3

GIGABIT ETHERNET TECHNOLOGY............................3

SWITCHING TECHNOLOGY........................................4

FEATURES ...............................................................5

UNPACKING AND SETUP...................................6

UNPACKING.............................................................6

SETUP......................................................................6

DESKTOP INSTALLATION.........................................7

RACK INSTALLATION ..............................................8

IDENTIFYING EXTERNAL COMPONENTS ....9

FRONT PANEL..........................................................9

REAR PANEL..........................................................10

LED INDICATORS..................................................11

TECHNICAL SPECIFICATIONS.......................12

ABOUT THIS GUIDE

This user’s guide tells you how to install your 24-Port

10/100/1000Mbps Copper Gigabit Ethernet Switch and how to

connect it to your existing Ethernet network.

Terms

For simplicity, this documentation uses the terms “Switch” (first

letter upper case) to refer to the 24-Port 10/100/100Mbps

Copper Gigabit Ethernet Switch, and “switch” (first letter lower

case) to refer to all Ethernet switches, including the 24-Port

Gigabit Ethernet Switch.

Overview of this User’s Guide

Introduction. Describes the Switch and its features.

Unpacking and Setup.Helps you get started with the basic

installation of the Switch.

Identifying External Components.Describes the front panel,

rear panel, and LED indicators of the Switch.

Technical Specifications.Lists all the technical specifications

of the Switch.

INTRODUCTION

This section describes the features of the Switch, as well as

providing some basic information about Gigabit Ethernet and

switching technology.

Gigabit Ethernet Technology

Gigabit Ethernet is an extension of IEEE 802.3 Ethernet utilizing

the same packet structure, format, and support for CSMA/CD

protocol, full duplex, flow control, and management objects, but

with a tenfold increase in theoretical throughput over 100Mbps

Fast Ethernet and a hundredfold increase over 10Mbps

Ethernet. Since it is compatible with all 10Mbps and 100Mbps

Ethernet environments, Gigabit Ethernet provides a

straightforward upgrade without wasting a company’s existing

investment in hardware, software, and trained personnel.

The increased speed and extra bandwidth offered by Gigabit

Ethernet is essential to coping with the network bottlenecks

that frequently develop as computers and their busses get

faster and more users use applications that generate more

traffic. Upgrading key components, such as your backbone and

servers to Gigabit Ethernet can greatly improve network

response times as well as significantly speed up the traffic

between your subnets.

Gigabit Ethernet supports video conferencing, complex imaging,

and similar data-intensive applications. Likewise, since data

transfers occur 10 times faster than Fast Ethernet, servers

outfitted with Gigabit Ethernet NIC’s are able to perform 10

times the number of operations in the same amount of time.

Switching Technology

Another key development pushing the limits of Ethernet

technology is in the field of switching technology. A switch

bridges Ethernet packets at the MAC address level of the

Ethernet protocol transmitting among connected Ethernet or

fast Ethernet LAN segments.

Switching is a cost-effective way of increasing the total network

capacity available to users on a local area network. A switch

increases capacity and decreases network loading by making it

possible for a local area network to be divided into different

segments which don’t compete with each other for network

transmission capacity, giving a decreased load on each.

The switch acts as a high-speed selective bridge between the

individual segments. The switch automatically forwards traffic

that needs to go from one segment to another, without

interfering with any other segments. This allows the total

network capacity to be multiplied, while still maintaining the

same network cabling and adapter cards.

Switching LAN technology is a marked improvement over the

previous generation of network bridges, which were

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