Fast Ethernet Switch
USER'S GUIDE
Twenty-Four (24) ports 100/10Mbps Fast Ethernet Switch
LINDY Part No. 25021
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1
UNPACKING INFORMATION
Thank you for purchasing the Switch. Before continuing, please check the contents of the product package. This product
package should contain the following items:
One (1) Switch
One (1) Power Cord
Four (4) Rubber Feet (for desktop placement)
One (1) Rackmount Kit
This User’s Guide
If anything is missing, please contact your place of purchase.
For 19 inches case
Power Cord
Rubber Feet (for desktop placement)
Rackmount Kit
User’s Guide
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2
PRODUCT INTRODUCTION
2.1
Models
The Switch is a multi-speed, versatile network device combining both standard and "Big-Pipe" ports under the same hood.
The Switch is a twenty-four (24) 100/10Mbps RJ-45 UTP/STP ports switch.
2.2
Key Features
Twenty-four (24) 100/10Mbps Switch ports.
Store-and-Forward technology.
Auto-Negotiation support for each TP port.
IEEE 802.3x Flow-Control support for Full-Duplex operation.
Back-Pressure support for Half-Duplex operation.
Bridging capability for 100Mbps and 10Mbps segments.
All ports support Auto-MDIX function.
2.3
Front Panel
For 19 inches case
2.3.1 100/10Mbps TP Ports
Each 100/10Mbps TP port provides an Auto-Negotiation function that senses for the attached device's maximum operating
speed and automatically sets the Switch to operate at that speed. Users only need to connect a network device into any TP
port.
2.3.2 Cabling
10Mbps - When transmitting at 10Mbps Category 3, 4 or 5 TP cabling with RJ-45 sockets can be used.
100Mbps -To transmit at 100Mbps requires Category 5 TP cabling.
Port Type
Cable Type
Connector
RJ-45
10BASE-T
100BASE-TX
Category 3, 4 or 5 TP
Cat.5 TP
RJ-45
Note: Category 5 TP cable is recommended whenever installing new cabling.
2.3.3 Status LEDs
The Switches come with a complete range of LEDs. The table below lists each LEDs name, color and a brief description of its
function.
Name
Color
Function
Pwr
Green
Lit: Power "On"
LINK/ACT Green
Lit: When the port has a valid physical connection with
another device.
Blinks: When the port is sending or receiving data (Activity).
FD/COL
Amber
Lit: When port is set to Full-Duplex mode.
Blinks: When a collision is detected, when the port is in
Half-Duplex mode.
2.4
Rear Panel
For 19 inches case
2.4.1 Power Socket
The Power Socket is designed to be used with the power cord included in the product package.
Attach the female end of the cord to the power connector on the back panel.
Attach the male end of the cord to a grounded power outlet.
2.4.2 Fan
Note: Please keep the fan area clear, so that the cooling function is not impaired.
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3
INSTALLATION
The Switch is "Plug & Play". It does NOT require software configuration. Users can immediately use any of the features of this
product simply by attaching the cables and turning on the power.
3.1
To locate the switch on a desktop
Attach the four (4) rubber feet included in the product package to the bottom of the Switch, one in each corner.
Place the Switch on a clean, flat desk or tabletop close to a power outlet.
Plug in all network connections and the power cord.
Turn the power switch to "On".
3.2
Rackmount placement
Attach one (1) rackmounting bracket on each side of the Switch front panel and secure each bracket with the provided
screws.
Use the other provided screws to secure each Switch to the rack.
Use the other provided screws to secure each Hub to the rack.
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4
HELPFUL SUGGESTIONS
4.1
Prior to Installation
Before installing the Switch and connecting network devices, it is important to plan the network's layout. Things you should
consider include:
Dedicated Bandwidth: File servers and other high-traffic hardware improve their performance if they have their own
dedicated 10Mbps or 100Mbps bandwidth.
Full-Duplex: Determine which devices support Full-Duplex connections.
Fast Ethernet: Make sure rules for cable lengths and categories are followed.
Auto-Negotiation: Devices with different speeds may be easily swapped when the other end of the cable is fixed to a port
with Auto-Negotiation.
Note: If you are using the last port’s Crossover TP connector, you cannot use the last port’s regular connector. If you use both
of the last port's TP connector’s at the same time your Switch will not operate properly.
4.2
Half- and Full-Duplex
The Switch supports both Half- and Full-Duplex modes for 10BASE-T and 100BASE-TX.
In Half-Duplex mode: Data cannot be transmitted and received at the same time. Attached devices must finish transmitting
data before they can receive data.
In Full-Duplex mode: Data can be transmitted and received at the same time.
However:
Full-Duplex transmission is only possible between two devices with a dedicated link (e.g., Switch-Switch, Switch-PC)
Both devices must have Full-Duplex capability
Both devices must be set to Full-Duplex (e.g. Auto-Negotiation – Auto-Negotiation, Non-Auto-Negotiation to
Non-Auto-Negotiation)
The 100BASE-TX/10BASE-T ports on the Switch detect and set the line's operating mode by using their Auto-Negotiation
function.
4.3
Fast Ethernet
100BASE-TX is called "Fast Ethernet". In Fast Ethernet data travels ten times faster (100Mbps) than in traditional Ethernet
(10Mbps).
Below is a list of the cable types and connectors supported by the Switch for 10BASE-T and 100BASE-TX networks.
Port Type
Cable Type
Connector
RJ-45
10BASE-T
100BASE-TX
Category 3, 4 or 5 TP
Cat. 5 TP
RJ-45
Note: If your 10BASE-T network currently uses Category 5 TP cabling, you can instantly upgrade the network to a
100BASE-TX network by changing network devices.
4.4
Auto-Negotiation
Every 100/10Mbps dual speed port on the Switch has a built-in "Auto-Negotiation" function. This technology automatically
sets the best possible bandwidth as soon as a connection is established with another network device. (Usually at Power “On”
or Reset.) This capability is achieved via the Switch’s Auto-Negotiation function that automatically detects the modes and
speeds the second (attached) device is capable of.
Evaluating Auto-Negotiation Capability:
If attached device is:
The Switch Will Automatically Set Its TP Ports to
Operate At:
100Mbps
100Mbps (100BASE-TX, Half-Duplex)
200Mbps (100BASE-TX, Full-Duplex)
10Mbps (10BASE-T, Half-Duplex)
no Auto-Negotiation
100Mbps
with Auto-Negotiation
10Mbps
no Auto-Negotiation
10Mbps
with Auto-Negotiation
20Mbps (10BASE-T, Full-Duplex)
Note: If the attached device is set to a fixed mode (ex: Forced Full-Duplex) it will not operate as an Auto-Negotiation device.
4.5
MAC Address Table
Every Ethernet data packet includes both source and destination addresses. This six (6) bytes ID is called the MAC (Media
Access Control) Address.
The Switch can automatically learn and store MAC addresses. However, the MAC address table is volatile: it disappears
when the Switch is powered “Off” or reset.
Note: When the network needs reconfiguration, we recommend turning off the power first. After all nodes have been moved,
turn the Switch back "On" to rebuild the internal MAC address table.
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5
Sample Application
The optimal application for the Switch is as a "big pipe" backbone interconnecting file servers with bandwidth-hungry
workgroups, departments, and offices.
8 Gigabit portsSwitch
Mail Server
with Gigab it Ethernet Ad apter
24 100/10 ports with 2 Gigabit portsswitch
24- Po rt
+
2
G
ig a o rt Swi tch
P
File Server
with Giga bit Ethernet Adap ter
24 ports 100/10Mbps Fast Ethernet Switch
24 ports 100/10Mbps Fast Ethernet Switch
Pri n t e r Se r v e r
5
ports 100/10Mbps
Printe r
Fast Ethernet Switch
16 ports 100/10Mbps
Fast Ethernet Switch
8 ports 100/10Mbps
Fast Ethernet Switch
Workstationswith 100/10
Fast Ethernet Adapters
Workstations with 100/10
Fast Ethernet Adapters
Workstations with 100/10
Fast Ethernet Adapters
Workstations with 100/10
Fast Ethernet Adapters
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6
PRODUCT SPECIFICATIONS
Models
Twenty-Four (24) ports 100/10Mbps Fast Ethernet Switch
(For 13 inches and 19 inches width)
Standards
10BASE-T IEEE 802.3
100BASE-TX IEEE 802.3u
Ports
Twenty-four (24) 100BASE-TX
Media Support
10BASE-T Category 3, 4 or 5 TP
100BASE-TX Category 5 TP
Bandwidth
100BASE-TX 200/100/20/10Mbps
Forwarding /
Filtering Rate
148,810 packets/second per port @ 100Mbps, max.
14,881 packets/second per port @ 10Mbps, max.
Latency
9 µsec @100Mbps, minimum
70 µsec @ 10Mbps, minimum
MAC Addresses
Buffer Memory
Duplex Modes
Crossover
8K six (6)-bytes entries maximum, self-learning
2.5Mb
Auto-Negotiation
All the TP ports support Auto-MDIX function
LED Indicators
One (1) for Power
One (1) per port for Link / ACT
One (1) per port for Full-Duplex /Collision
Power Supply
Full range Auto-Switching
Input voltage: 100 ~ 240 +/-10% VAC/ 50 ~ 60 Hz
Power Consumption 21.5 watt max
Environment
Operating Temp: 0° ~ 45°C (32° ~ 113°F)
Storage Temp: -20° ~ 70°C (-4° ~ 158°F)
Humidity: 10% ~ 90% non-condensing
Certifications
Dimensions
FCC Class A
CE Mark
For 19 inches width:
442x184x44mm(17.40x7.24x1.73inches)
FCC WARNING
This equipment has been tested and found to comply with the limits for a Class A computing device pursuant to
Part 15 of FCC Rules, which are designed to provide reasonable protection against electromagnetic interference
in a commercial environment.
Changes or modifications to the equipment not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
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.
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