TRENDnet TE100-S16 - 10/100Mbps Ethernet Switch Manuale utente
TE100-S24
24-Port 10/100Mbps
Fast Ethernet Switch
User’s Guide
i
FCC Warning
This equipment has been tested and found to comply with the
regulations 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.
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).
ii
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 supply circuit 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).
P/N :1907ESW24E15000
iii
TABLE OF CONTENTS
About This Guide..............................................1
PURPOSE 1
OVERVIEW OF THIS USER’S GUIDE 1
Introduction.......................................................2
FAST ETHERNET TECHNOLOGY 2
SWITCHING TECHNOLOGY 3
FEATURES 4
Unpacking and Installation.................................6
UNPACKING 6
INSTALLATION 6
RACK MOUNTING 7
Identifying External Components.......................8
FRONT PANEL 8
REAR PANEL 9
Technical Specification....................................10
1
ABOUT THIS GUIDE
Congratulations on your purchase of the 24-port 10/100Mbps
Auto-negotiation Fast Ethernet Switch. This device integrates
100Mbps Fast Ethernet and 10Mbps Ethernet network
capabilities in a highly flexible package.
Purpose
This guide discusses how to install your 24-port 10/100Mbps Fast
Ethernet Switch.
TERMS/USAGE
In this guide, the term “Switch” (first letter upper case) refers to your
24-port 10/100Mbps Fast Ethernet Switch, and ”switch” (first letter
lower case) refers to other Ethernet switches.
Overview of this User’s Guide
Introduction. Describes the Switch and its features.
Unpacking and Installation.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 the technical (general, physical and
environmental, and performance) specifications of the Switch.
2
INTRODUCTION
This chapter describes the features of the Switch and some
background information about Ethernet/Fast Ethernet switching
technology.
Fast Ethernet Technology
The growing importance of LANs and the increasing complexity of
desktop computing applications are fueling the need for high
performance networks. A number of high-speed LAN technologies
have been proposed to provide greater bandwidth and improve
client/server response times. Among them, 100BASE-T (Fast
Ethernet) provides a non-disruptive, smooth evolution from the
current 10BASE-T technology. The non-disruptive and smooth
evolution nature, and the dominating potential market base, virtually
guarantee cost effective and high performance Fast Ethernet solutions
in the years to come.
100Mbps Fast Ethernet is a new standard specified by the IEEE 802.3
LAN committee. It is an extension of the 10Mbps Ethernet standard
with the ability to transmit and receive data at 100Mbps, while
maintaining the CSMA/CD Ethernet protocol. Since the 100Mbps
Fast Ethernet is compatible with 10Mbps Ethernet and 100Mbps Fast
Ethernet environments, it provides a straightforward network upgrade
and takes advantage of the existing investment in hardware, software,
and personnel training.
3
Switching Technology
Another approach to pushing beyond the limits of Ethernet technology
is the development of switching technology. A switch bridge Ethernet
packets at the MAC address levelof the Ethernet protocol transmitting
among connected Ethernet or FastEthernet 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 dividing a local
area network into different segments, which don’t compete with each
other for network transmission capacity.
The switch acts as a high-speed selective bridge between the
individual segments. The switch, without interfering with any other
segments, automatically forwards traffic that needs to go from one
segment to another. By doing this the total network capacity is
multiplied, while still maintaining the same network cabling and
adapter cards.
For Fast Ethernet networks, a switch is an effective way of eliminating
problems of chaining hubs beyond the “repeater-counts”limitation.A
switch can be used to split parts of the network into different collision
domains, making it possible to expand your Fast Ethernet network
beyond the 205-meter network diameter limit for 100BASE-TX
networks. Switches supporting both traditional 10Mbps Ethernet and
100Mbps Fast Ethernet are also ideal for bridging between the
existing 10Mbps networks and the 100Mbps networks.
Switching LAN technology is a marked improvement over the
previous generation of network bridges, which were characterized by
higher latencies. Routers have also been used to segment local area
networks, but the cost of a router, the setup and maintenance required
make routers relatively impractical. Todayswitches are ideal
4
solutionsto most kinds of local area network congestion problems.
Features
The Switch were designed for easy installation and high performance
in an environment where traffic on the network and the number of
user increase continuously.
The Switch with its rack size is specifically designed for middle to
large workgroups. The Switch provides immediate access to a rapidly
growing network through a wide range of user-reliable functions.
The Switch is ideal for deployment with multiple high-speed servers
for shared bandwidth 10Mbps or 100Mbps workgroups. With the
highest bandwidth 200Mbps (100Mbps full-duplex mode), any port
can provide workstation with a congestion-free data pipe for
simultaneous access to the server.
The Switch is expandable by cascading two or more switches
together. As all ports support 200Mbps, the Switch can be cascaded
from any port and to any number of switches.
The Switch is a perfect choice for site planning to upgrade to Fast
Ethernet in the future. Ethernet workgroups can connect to the
Switch now, and change adapters and hubs anytime later without
needing to change the Switch or reconfigure the network.
The Switch combine dynamic memory allocation with
store-and-forward switching to ensure that the buffer is effectively
allocated for each port, while controlling the data flow between the
transmit and receive nodes to guarantee against all possible packet
loss.
The Switch is an unmanaged 10/100 Fast Ethernet Switch that offers
solutions in accelerating small Ethernet workgroup bandwidth. Other
key features are:
5
?? 24-port 10/100BASE Ethernet Switch with RJ-45
connectors
?? SupportsAuto-negotiation for speed and duplex
modes on each port
?? Supports Auto-MDI/MDI-X on each port
?? Wire-speed reception and transmission
?? Store-and-Forward switching method
?? Integrated address Look-Up Engine, supports 8K
absolute MAC addresses
?? Supports 2.5Mbytes RAM for data buffering
?? Front-panel diagnostic LEDs
?? No cooling fans,for quite operation
?? Broadcast storm protection
?? IEEE 802.3x flow control for full-duplex
?? Back pressure flow control for half-duplex
?? Standard 19” Rack-mountable size
6
UNPACKING AND INSTALLATION
This chapter provides unpacking and setup information for
the Switch.
Unpacking
Open the shipping cartons of the Switch and carefully unpacks its
contents. The carton should contain the following items:
?? One the 24-port 10/100Mbps Fast Ethernet Switch
?? One AC powercord, suitable for your area’s electrical
powerconnections
?? Four rubber feet to be used for shock cushioning
?? Screws and two rack-mounting brackets
?? This User’s Guide
If any item is found missing or damaged, please contact your local
reseller for replacement.
Installation
The site where you install the Switch stack may greatly affect its
performance. When installing, consider the following pointers:
Install the Switch in a fairly cool and dry place. See Specifications
for the acceptable temperature and humidity operating ranges.
Install the Switch in a site free from strong electromagnetic field
generators (such as motors), vibration, dust, and direct exposure to
sunlight.
Leave at least 10cm of space at the front, rear, and both right and left
sides of the hub for ventilation. Do not block the vent holes on the
sides.
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