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16-Port 10/100Mbps Fast Ethernet Switch (Desktop) User Guide
16-Port 10/100Mbps
Fast Ethernet Switch
(Desktop)
User Guide
UG-ASW116-1103
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16-Port 10/100Mbps Fast Ethernet Switch (Desktop) User Guide
FCC Warning
This equipment has been tested and found to comply with
the regulations for a Class B 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 B product. In a domestic environment, this
product may cause radio interference, in which case the user
may be required to take adequate measures.
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16-Port 10/100Mbps Fast Ethernet Switch (Desktop) User Guide
Table of Contents
About this Guide ............................................. 4
Purpose ...................................................................... 4
Terms & Usage ........................................................... 4
Overview of This User Guide .................................. 4
Introduction ...................................................... 5
Fast Ethernet Technology ......................................... 5
Switching Technology .............................................. 5
Features ...................................................................... 7
Unpacking & Installation ................................ 8
Unpacking ................................................................. 8
Installation ................................................................. 9
External Components ...................................... 9
Front Panel ................................................................. 9
LED Indicator Panel ............................................... 10
Rear Panel ................................................................ 10
Technical Specifications ................................ 12
Technical Support .......................................... 14
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16-Port 10/100Mbps Fast Ethernet Switch (Desktop) User Guide
About This Guide
Congratulations on your purchase of the 16-port
10/100Mbps 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 16-Port
10/100Mbps Fast Ethernet Switch.
Terms & Usage
In this guide, the term "Switch" (first letter upper case) refers
to your 16-port 10/100Mbps Fast Ethernet Switch, and
"switch" (first letter lower case) refers to other Ethernet
switches.
Overview of this User's Guide
This user guide contains the following sections:
IntroductionIntroduction
IntroductionDescribes the Switch and its features.
IntroductionIntroduction
Unpacking and InstallationUnpacking and Installation
Unpacking and InstallationHelps you get started
Unpacking and InstallationUnpacking and Installation
with the basic installation of the Switch.
Identifying External ComponentsIdentifying External Components
Identifying External ComponentsDescribes the
Identifying External ComponentsIdentifying External Components
Switch’s front panel, rear panel, and LED indicators.
TT
echnical Specificationsechnical Specifications
T
echnical SpecificationsLists the Switch’s technical
TT
echnical Specificationsechnical Specifications
(general, physical and environmental, and
performance) specifications.
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16-Port 10/100Mbps Fast Ethernet Switch (Desktop) User Guide
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 local area networks (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-TX
(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 highperformance 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 Switch is compatible with all 10Mbps
Ethernet environments, it provides a straightforward
upgrade and takes advantage of the existing investment in
hardware, software, and personnel training.
Switching Technology
Another approach to pushing beyond the limits of Ethernet
technology is the development of switching technology. A
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16-Port 10/100Mbps Fast Ethernet Switch (Desktop) User Guide
switch bridges and transmits Ethernet packets at the MAC
address level of the Ethernet protocol, 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 dividing a local area network into different segments.
Each segment has its own bandwidth and it does not
compete with others for network transmission capacity.
A switch acts as a high-speed selective bridge between the
individual segments. The switch forwards traffic from origin
segment to destination segment, without interfering with
any other segments. 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 to
eliminate problems of uplinking Fast Ethernet hubs beyond
the “two-repeater limit.” 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. The switch supports
both traditional 10Mbps Ethernet and 100Mbps Fast
Ethernet, which is also ideal for bridging between the
existing 10Mbps networks and the new 100Mbps networks.
LAN switching technology is a significant improvement
over the previous generation of network bridges, which
were criticized because of their higher latencies. Routers are
also used to segment LANs. However, since routers are
expensive, difficult to setup, and require intensive
maintenance, they are relatively impractical for the
network. Switches, on the other hand, are less expensive,
easier to set up, and practically maintenance free, which
make them an ideal solution to today's LAN congestion
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problems.
Features
This high-performance Switch was designed for a network
environment where traffic and the number of users increase
continuously.
The Switch, with their small, desktop size, was specifically
designed for small to middle-sized workgroups. It provides
immediate access to a rapidly growing network through a
wide range of user-reliable functions.
The Switch is ideal for shared bandwidth 10Mbps or
100Mbps workgroups with multiple high-speed servers.
With the highest bandwidth at 200 Mbps (100 Mbps fullduplex mode), each port can provide workstation with
congestion-free data-pipe for simultaneous access to the
server.
The Switch is expandable by cascading two or more
switches together. Since all ports support 200 Mbps, the
Switch can be cascaded from any port and to any number of
switches.
The Switch is a perfect choice for a 10Mbps network site that
might be upgraded to Fast Ethernet in the future. Ethernet
workgroups can connect to the Switch now, and change
adapters and hubs anytime later without changing the
Switch or reconfiguring the network.
The Switch combines dynamic memory allocation with
store-and-forward switching method to ensure that the
buffer is effectively allocated for each port. It also controls
the data flow between transmit and receive nodes to
guarantee against all possible packet loss.
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16-Port 10/100Mbps Fast Ethernet Switch (Desktop) User Guide
This Switch is an unmanaged 10/100Mbps Fast Ethernet
Switch that offers solutions to increase Ethernet workgroup
bandwidth. Other key features are as followed:
16-port 10/100Mbps Ethernet Switch with RJ-45 connectors
· Support Auto-negotiation for speed and duplex modes
for each port
· Supports Auto-MDI/MDI-X for each port
· Wire speed reception and transmission
· Store-and-Forward switching method
· Integrated address Look-Up Engine, supports 8K
absolute MAC addresses
· Supports 512Kbytes RAM for data buffering
· Front-panel diagnostic LEDs
· Broadcast storm protection
· IEEE 802.3x flow control for full-duplex
Back pressure flow control for half-duplex
Unpacking & Installation
This chapter provides unpacking and setup information for
the Switch.
Unpacking
Open the shipping carton and carefully unpack the contents.
The carton contains the following items:
• One the 16-port 10/100Mbps Fast Ethernet Switch
• One external power adapter
• Four rubber feet to be used for shock cushioning
• This User's Guide
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If any item is missing or damaged, contact your local
reseller for replacement.
Installation
The site where you install the Switch may greatly affect its
performance. When installing, consider the following
pointers:
• Install the Switch in a fairly cool and dry place. See
Technical Specification for the acceptable operating
temperature and humidity ranges.
• Install the Switch in a site free from strong
electromagnetic source, vibration, dust, and direct
sunlight.
• Leave at least 10cm of space at the left and right hand
side of the Switch for ventilation.
• Visually inspect the DC power jack and make sure that
it is fully secured to the power adapter.
External Components
This section identifies all the major external components of
the switch. Both the front and rear panel is shown, followed
by a description of each panel's feature.
Front Panel
Figure 1 shows the Switch’s front panel.
Figure 1. Switch Front Panel
16-Port 10/100-Mbps Ethernet Switch
9 10111213141516
Power
12345678
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Link
100 Mbps
Link
100 Mbps
ACT
ACT
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16-Port 10/100Mbps Fast Ethernet Switch (Desktop) User Guide
LED Indicator Panel
The LED indicator panel contains the following indicators:
Power (PWR)Power (PWR)
•
Power (PWR)This indicator lights green when the
Power (PWR)Power (PWR)
switch is receiving power , otherwise, it is off.
Link/Activity (green)Link/Activity (green)
•
Link/Activity (green)This indicator lights up green
Link/Activity (green)Link/Activity (green)
when the port is connected to a Fast Ethernet or
Ethernet station. If this indicator is blinking green, the
Switch is transmitting or receiving data.
100 Mbps (green)100 Mbps (green)
•
100 Mbps (green)This indicator lights up green when
100 Mbps (green)100 Mbps (green)
the port is connected to a 100-Mbps Fast Ethernet
station. Otherwise, the LED is off when the port is
connected to a 10-Mbps Ethernet station.
Rear Panel
Figure 2 shows the Switch’s rear panel. The rear panel
includes the twisted-pair ports and the DC power jack.
Figure 2. Switch Rear Panel
Twisted Pair Jacks
16 15 14 13
8765
12 11 10 9
4321
7.5-V DC/1 A
−
DC Power Jack
+
Twisted-Pair Ports
These ports supports automatic MDI/MDIX crossover
detection function gives true ‘plug and play' capability
without the need of confusing crossover cables or crossover
ports.
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With the Auto-MDI function, you just need to plug-in the
network cable to the hub directly and no need to care if the
end node is NIC (Network Interface Card) or switches and
hubs.
DC Power Jack
Power is supplied through an external AC power adapter.
Check the technical specification section for information
about the AC power input voltage.
Since the switch does not include a power switch,
plugging its power adapter into a power outlet
will immediately power it on.
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Technical Specifications
Tables 1 to 3 provide Switch specifications.
Table 1. General Specifications
DescriptionFeature
Standards
Protocol
Data transfer
rate
Topology
Network
cables
Number of
ports
IEEE 802.3 10 Base-T ethernet
IEEE 802.3a 100 Base-TX fast ethernet
IEEE 802.3x flow control
CSMA/CD
Ethernet: 10 Mbps (half duplex), 20 Mbps (full duplex)
Fast ethernet: 100 Mbps (half duplex), 200 Mbps
(full duplex)
Star
10 Base-T: Two-pair UTP Cat. 3, 4, 5; EIA/TIA-568
100-Ω STP
100 Base-TX: Two-pair UTP Cat. 5; EIA/TIA-568
100-Ω STP
16 × 10/100 Mbps auto-MDI/MDI-X ports
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Table 2. Physical & Environmental Specifications
SpecificationFeature
DC inputs
Power
consumption
Temperature
Humidity
Dimensions
EMI
7.5 V, 1 A
6 watts (maximum)
Operating: 0˚ to 40˚ C
Storage: −10˚ to 70˚ C
Operating: 10 to 90%
Storage: 5 to 90%
184 × 124 × 44 mm (W × H × D)
FCC Class A, CE Mark Class A, VCCI Class A
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Table 3. Performance Specifications
SpecificationFeature
Transmission
method
RAM buffer
Filtering
address table
Packet filtering/
forwarding rate
MAC address
learning
Store-and-forward
512 Kbytes per device
8K entries per device
10Mbps ethernet: 14,880/pps
100Mbps fast ethernet: 148,800/pps
Automatic update
Technical Support
E-mail: support@airlinkplus.com
Toll Free: 1-888-746-3238
Web Site: www.airlinkplus.com
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Copyright 2003 AirLink+. All rights reserved. AirLink+, the stylized AirLink+ logo,
specific product designations, and all other words and logos that are identified as
trademarks and/or service marks are, unless noted otherwise, the trademarks and service
marks of AirLink+. All other product or service names are the property of their respective
holders. AirLink+ products are protected under numerous U.S. and foreign patents and
pending applications, maskwork rights, and copyrights.
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