Airlink Switch UG ASW232 1103 User Manual

32-Port 10/100Mbps  
Ethernet Switch  
User Guide  
UG-ASW232-1103  
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32-Port 10/100Mbps Ethernet Switch User Guide  
required for safe operation of the equipment is not  
compromised.  
Mechanical LoadingMounting of the equipment in  
the rack should be such that a hazardous condition is  
not achieved due to uneven mechanical loading.  
Circuit OverloadingConsideration 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.  
Reliable EarthingReliable 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).  
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32-Port 10/100Mbps Ethernet Switch User Guide  
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32-Port 10/100Mbps Ethernet Switch User Guide  
Table of Contents  
About this Guide.............................................. 7  
Purpose ...................................................................... 7  
Terms & Usage .......................................................... 7  
Overview of This User Guide ................................. 7  
Introduction ...................................................... 8  
Fast Ethernet Technology ........................................ 8  
Switching Technology .............................................. 8  
Features .................................................................... 10  
Unpacking & Installation...............................11  
Unpacking ............................................................... 12  
Installation ............................................................... 12  
100 Base-FX Module Installation .......................... 13  
Rack Mounting ....................................................... 14  
Connecting Network Cable................................... 15  
Power On ................................................................. 15  
External Components .................................... 15  
Front Panel............................................................... 15  
Twisted Pair Ports................................................... 17  
Rear Panel ................................................................ 17  
LED Indicators ........................................................ 18  
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32-Port 10/100Mbps Ethernet Switch User Guide  
Connecting the Switch................................... 18  
Connecting a PC to the Switch ............................. 18  
Connecting a Hub or Switch to the Switch ......... 19  
Port Speed & Duplex Mode .................................. 19  
Technical Specifications ................................ 20  
Technical Support .......................................... 22  
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32-Port 10/100Mbps Ethernet Switch User Guide  
About This Guide  
Congratulations on your purchase of the 32-port  
10/100Mbps Ethernet Switch. This device integrates  
100Mbps Fast Ethernet and 10Mbps Ethernet network  
capabilities in a highly flexible package.  
Purpose  
This User Guide discusses how to install your 32-port  
10/100Mbps Ethernet Switch.  
Terms & Usage  
In this guide, the term "Switch" (first letter upper case) refers  
to your 32-port 10/100Mbps Fast Ethernet Switch, and  
"switch" (first letter lower case) refers to other Ethernet  
switches.  
Overview of this User Guide  
This User Guide contains the following sections  
IntroductionDescribes the Switch and its features.  
Unpacking and InstallationHelps you get started  
with the basic installation of the Switch.  
Identifying External ComponentsDescribes the  
Switch’s front panel, rear panel, and LED indicators.  
Technical SpecificationsLists the Switch’s technical  
(general, physical and environmental, and  
performance) specifications.  
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32-Port 10/100Mbps Ethernet Switch User Guide  
Introduction  
This chapter describes the features of the Switch and some  
background information about Ethernet and 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, 100 BASE-T  
(Fast Ethernet) provides a non-disruptive, smooth evolution  
from the current 10 BASE-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 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 100Mbps Fast Ethernet is  
compatible with all other 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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switch bridge 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 LAN. A switch  
increases capacity and decreases network loading by  
dividing a LAN into different segments that 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 automatically forwards  
traffic that needs to go from one segment to another without  
interfering with any other segments. This multiplies the  
total network capacity while 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 “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 for 100 BASE-TX  
networks. Switches supporting both traditional 10Mbps  
Ethernet and 100Mbps Fast Ethernet are also ideal for  
bridging between the existing 10Mbps networks and the  
new 100Mbps networks.  
Switching LAN technology is an improvement over the  
previous generation of network bridges, which were  
characterized by higher latencies. Routers have also been  
used to segment LANs, but the cost of a router, the setup  
and maintenance required make routers relatively  
impractical. Today switches are an ideal solution to most  
kinds of LAN congestion problems.  
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32-Port 10/100Mbps Ethernet Switch User Guide  
Features  
The Switch was 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-sized 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  
workstations with a 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 200Mbps, the  
Switch can be cascaded from any port and to any number of  
switches.  
The Switch is a perfect choice for systems that will be  
upgraded 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.  
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32-Port 10/100Mbps Ethernet Switch User Guide  
The Switch is an unmanaged 10/100Mbps Fast Ethernet  
Switch that offers solutions in accelerating small Ethernet  
workgroup bandwidth. Other key features are:  
Auto MDI/MDIX feature automatically detects and  
corrects for crossover cables and allows direct switch-  
to-switch connection.  
Store and forward switching scheme capability. As the  
result of complete frame checking and error frame  
filtering, this scheme prevents error packages from  
transmitting among segments.  
Auto-negotiation for any port. This allows for auto-  
sensing of speed (10/100Mbps) and duplex-mode (half  
or full-duplex) thereby providing you with automatic  
and flexible solutions in your network connections.  
IEEE 802.3x flow control for full-duplex.  
Back pressure flow control for half-duplex.  
Data forwarding rate per port is at wire-speed for both  
10Mbps and 100Mbps speed.  
Data filtering rate eliminates all error packets, runts,  
etc., per port at wire-speed for both 10Mbps and  
100Mbps speed.  
4K active MAC address entry table with self-learning  
and table ageing.  
1,024-KBytes RAM of buffer per device.  
Unpacking & Installation  
This chapter provides unpacking and setup information for  
the Switch.  
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32-Port 10/100Mbps Ethernet Switch User Guide  
Unpacking  
Open the shipping cartons of the Switch and carefully  
unpacks its contents. The carton should contain the  
following items:  
One the 32-port 10/100Mbps Ethernet Switch  
One AC power cord  
Four rubber feet to be used for shock cushioning  
Screws and two mounting brackets  
This User Guide  
If any item is found missing or damaged, contact your local  
reseller for replacement.  
Installation  
The site where you install the hub stack may greatly affect  
its performance. When installing, consider the following  
pointers:  
Install the Switch in a 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 10 cm of space at the front and rear of the  
hub for ventilation.  
Install the Switch on a sturdy, level surface that can  
support its weight, or in an EIA standard-size  
equipment rack. For information on rack installation,  
see the next section, Rack Mounting.  
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32-Port 10/100Mbps Ethernet Switch User Guide  
When installing the Switch on a level surface, attach the  
rubber feet to the bottom of each device. The rubber feet  
cushion the hub and protect the hub case from scratching.  
100 Base-FX Module Installation  
The installation procedure for each module is the same.  
Additional information about each module is provided  
below.  
Use the following steps to install any of the modules  
(including SC or ST type connectors):  
1. Turn power off the switch  
2. Locate the module slot in the switch's rear panel.  
3. Using a screwdriver, undo the two screws and  
remove the dust cover on the module slot.  
4. Holding the module component-side up and  
connector-side in, gently slide the module along  
the guides and seat it in the internal connector.  
5. Using a screwdriver, replace the two screws and  
tighten until snug.  
AirLink+ recommends that you retain the dust cover in case  
you need to remove the module for an extended period  
sometime in the future.  
Do not use Port 9 and the 100 BASE-FX module at the same  
time.  
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32-Port 10/100Mbps Ethernet Switch User Guide  
Rack Mounting  
The switch can be mounted in an EIA standard-size, 19-inch  
rack, which can be placed in a wiring closet with other  
equipment. Attach the mounting brackets at the switch's  
front panel (one on each side), and secure them with the  
provided screws (see Figure 1).  
Figure 1. Attach Brackets to Switch  
Then, use screws provided with the equipment rack to  
mount each switch in the rack (see Figure 2).  
Figure 2. Attach Switch to Rack  
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32-Port 10/100Mbps Ethernet Switch User Guide  
Connecting Network Cable  
The Switch supports 10Mbps Ethernet or 100Mbps Fast  
Ethernet and it runs both in half and full duplex mode.  
These ports are Auto-MDI type port. The Switch can auto  
transform to MDI-II or MDI-X type, so you can just make an  
easy connection that without worrying if you are using a  
standard or crossover cable.  
Power On  
The 32-port 10/100Mbps Ethernet Switch can be used with  
AC power sources 100 - 240 VAC, 50 - 60 Hz. The Switch's  
power supply will adjust to the local power source  
automatically and may be turned on without having any or  
all LAN segment cables connected.  
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 feature. The indicator panel is  
described in detail in the next chapter.  
Front Panel  
Figure 3 shows the Switch’s front panel.  
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32-Port 10/100Mbps Ethernet Switch User Guide  
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32-Port 10/100Mbps Ethernet Switch User Guide  
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.  
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 Network Interface Card (NIC) or switches and  
hubs.  
Rear Panel  
Figure 4 shows the Switch’s rear panel.  
Figure 4. Rear Panel  
Rear of Switch  
I
O
Module Slot  
AC Power Connector  
Module Slots  
The module slots are used to install module options for  
100 BASE-FX connection.  
AC Power Connector  
Plug the power cord into the AC power connector.  
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LED Indicators  
The LED indicator panel contains the following indicators:  
Power (PWR)This indicator lights green when the  
switch is receiving power. Otherwise, it is off.  
Full-Duplex/Collision (Full-Duplex/  
Collision)This LED indicator lights green when a  
respective port is in full duplex (FDX) mode. Otherwise,  
it is blinking when collisions are occurring on the  
respective port.  
Link/Activity (green/amber)This indicator lights  
green when the port is connected to a 100Mbps Fast  
Ethernet station. If the indicator blinks green, data is  
tranmitted or received on the 100Mbps network. If the  
indicator lights amber, the port is connected to a  
10Mbps Ethernet station. If the indicator blinks amber,  
data is tranmitted or received on the 10-Mbps network.  
100 BASE-FX Module Indicator (green)This  
indicator lights up green when a module is installed.  
Connecting the Switch  
This chapter describes how to connect the Switch to your  
Fast Ethernet network.  
Connecting a PC to the Switch  
A PC can be connected to the Switch via a two-pair  
Category 3, 4, 5 UTP/STP cables. Connect the PC (equipped  
with a RJ-45 10/100Mbps phone jack) to any of the 32 ports  
(1 to 32)  
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The LED indicators for the PC connection depend on the  
LAN card capabilities. If LED indicators are not lit after  
making a proper connection, check the PC LAN card, the  
cable, the Switch conditions, and connections.  
Connecting a Hub or Switch to the Switch  
You can connect the Switch to another switch or other  
devices (i.e., routers, bridges, etc.) via a two-pair Category 3,  
4, 5 UTP/STP cable.  
The following are LED indicator possibilities for a PC or  
other devices to Switch connection:  
1. The LINK/ACT LED indicator lights green when  
connected at 100 Mbps or lights amber when  
connected at 10 Mbps.  
2. The COL LED indicator lights green when a  
collision happens.  
3. The FDX LED indicator lights green when  
operating at full duplex. This LED is off when it the  
switch is operating at half duplex.  
Port Speed & Duplex Mode  
After plugging the selected cable to a specific port, the  
system uses auto-negotiation to determine the transmission  
mode for any new twisted-pair connection:  
If the attached device does not support auto-negotiation or  
has auto-negotiation disabled, an auto-sensing process is  
initiated to select the speed and set the duplex mode to half-  
duplex.  
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32-Port 10/100Mbps Ethernet Switch User Guide  
Technical Specifications  
Tables 1 to 3 provide Switch specifications.  
Table 1. General Specifications  
Feature  
Description  
Standards  
IEEE 802.3 10 Base-T ethernet  
IEEE 802.3a 100 Base-TX fast ethernet  
ANSI/IEEE 802.3 auto-negotiation  
IEEE 802.3x flow control  
Protocol  
CSMA/CD  
Data transfer  
rate  
Ethernet: 10 Mbps (half duplex), 20 Mbps (full duplex)  
Fast ethernet: 100 Mbps (half duplex), 200 Mbps  
(full duplex)  
Topology  
Star  
Network  
cables  
10 Base-T: Two-pair UTP Cat. 3, 4, 5; EIA/TIA-568  
100-STP  
100 Base-TX: Two-pair UTP Cat. 5; EIA/TIA-568  
100-STP  
100 Base-FX: 62.5/125 µm multimode fiber optic  
Number of  
ports  
32 × 10/100Mbps auto-MDI/MDI-X ports  
Expansion  
slot  
One expansion slot for 100 Base-FX  
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32-Port 10/100Mbps Ethernet Switch User Guide  
Table 2. Physical & Environmental Specifications  
Feature  
Specification  
AC inputs  
100 to 240 VAC, 50- or 60-Hz internal universal power  
supply  
Power  
40 watts (maximum)  
consumption  
Temperature  
Humidity  
Operating: 0˚ to 50˚ C  
Storage: 10˚ to 70˚ C  
Operating: 10 to 90%  
Storage: 5 to 90%  
Dimensions  
EMI  
440 × 200 × 44 mm (W × H × D)  
FCC Class A, CE Mark Class A, VCCI Class A  
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32-Port 10/100Mbps Ethernet Switch User Guide  
Table 3. Performance Specifications  
Feature  
Specification  
Transmission  
method  
Store-and-forward  
RAM buffer  
1,024 Kbytes per device  
4K entries per device  
Filtering  
address table  
Packet filtering/  
forwarding rate  
10Mbps ethernet: 14,880/pps  
100Mbps fast ethernet: 148,800/pps  
MAC address  
learning  
Automatic update  
Technical Support  
Toll Free: 1-888-746-3238  
Web Site: www.airlinkplus.com  
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32-Port 10/100Mbps Ethernet Switch User Guide  
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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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