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LevelOne USER'S GUIDE

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1. 10 100Mbps 13 Fast Ethernet Switch can be mounted in an EIA standard sized 19 inch rack 1 Attach one 1 rackmounting bracket on each side of the Switch s front panel with the provided screws 11 D HELPFUL SUGGESTIONS 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 Half and Full Duplex This LevelOne 24Port 10 100Mbps 13 Fast Ethernet Switch supports both Half and Full Duplex modes for 10BASE T and 100BASE TX In Hal 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 a Full Duplex transmission is only possible between two devices with a dedicated link e g Switch Switch Switch PC b Both devices must have Full Duplex capability c Both devices must be set
2. mcr rade 10Mbps no Auto Negotiation 10Mbps Bandwidth 10BASE T Half Duplex 10Mbps with Auto Negotiation 20Mbps Bandwidth 10BASE T Full Duplex Helpful Warning If the attached device is set to a fixed mode ex Forced Full Duplex it will not operate as an Auto Negotiation device MAC Address Table Every Ethernet data packet includes both source and destination addresses This 6byte 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 to restart switch first After all nodes have been moved Remove the power cord and re attach it on the back panel to rebuild the internal MAC address table Sample Application The optimal application for this Switch is to interconnect file servers with other bandwidth hungry workgroups departments and offices all with dedicated bandwidths 8 Gigabit ports Switch Mail Server with Gigabit Ethemet Adapter File Server with Gigabit Ethemet Adapter I I 5 ports 100 10Mbps I Fast Ethernet Switch I 1 SS eel 8 ports 100 10Mbps Fast Ethernet Switch Laem E ee ad Workstations with 100 10 Fast Ethemet Adapters _ _ 08 Nope Tete For ee es OO Mit Tiston Ps Workstations with 100 10 Fast Ethemet Adapters Worksta
3. to Full Duplex e g Auto Negotiation Auto Negotiation Non Auto Negotiation to Non Auto Negotiation e The 100BASE TX 10BASE T ports on the Switch detect and set the line s operating mode by using their Auto Negotiation function 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 1OBASE T and 100BASE TX networks Port Type Cable Type 10BASE T Category 3 4 or 5 TP RJ 45 100BASE TX 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 Auto Negotiation Every 100 10Mbps dual speed port on this LevelOne FSW 2411TX 24 port 10 100Mbps 13 Fast Ethernet 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 13 TP Ports to Operate At 100Mbps no Auto Negotiation 100Mbps Bandwidth 100BASE TX HalfDuplex 100Mbps with Auto Negotiation 200Mbps Bandwidth sewer
4. LevelOne FSW 2411TX 24port 10 100Mbps 13 Fast Ethernet Switch USER S GUIDE 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 TABLE OF CONTENTS UNPACKING INFORMATION PRODUCT INTRODUCTION 5 FAST ETHERNET TECHNOLOGY 5 SWITCHING TECHNOLOGY 5 FEA TURES 6 THE FRONT PANEL 7 eC a 8 STATUS LEDS Sassen aa eae ee es 8 THE REAR PANEL 8 INSTALLATION ere 10 TO LOCATE THE SWITCH ON A DESKTOP 10 TO STACK YOUR SWITCH 10 RACKMOUNT PLACEMENT 10 HELPFUL SUGGES
5. TIONS 12 Prior to Installation 12 Half and Full Duplex 12 Fast Ethernet 13 Auto Negotiation 13 MAC Address Table 14 Sample ApplicatiOn 15 Troubleshooting 16 PRODUCT SPECIFICATIONS 17 A UNPACKING INFORMATION Thank you for purchasing LevelOne FSW 2411TX 24 port 10 100Mbps 13 Fast Ethernet Switch Before continuing please check the contents of the product package This product package should contain the following items gt gt gt gt gt gt If One LevelOne FSW 2411TX 24 port 10 100Mbps 13 Fast Ethernet Switch One Power Cord Four Rubber Feet for desktop placement One Rackmount Kit Four Stackable stand User s Guide anything is missing please contact your place of purchase B PRODUCT 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 n
6. 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 nat 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 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 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 new 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 Today switches are an ideal solution to most kinds of local area network congestion problems Features The Switches were designed for easy installation and high performance in an environment where traffic on the network and the number of us
7. eed 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 10OBASE 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 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 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 local area network A switch increases capacity and decreases network loading by dividing a local area network into different segments which
8. er increase continuously These Switches provide immediate access to a rapidly growing network through a wide range of user reliable functions The Switches are 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 wth a congestion free data pipe for simultaneous access to the server The Switches are expandable by cascading two or more switches together As all ports support 200Mbps the Switches can be cascaded from any port and to any number of switches 6 The LevelOne FSW 2411TX 24port 10 100Mbps 13 Fast Ethernet Switch are a perfect choice for site planning to upgrade to Fast Ethernet in the future Ethernet workgroups can connect to the Switches now and change adapters and hubs anytime later without needing to change the Switches or reconfigure the network The Switches 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 LevelOne FSW 2411TX 24 port 10 100Mbps 13 Fast Ethernet Switch are an unmanaged 10 100 Fast Ethernet Switch that offers solutions in accelerating small Ethernet workgroup bandwidth Other key features are Twenty four 100 10Mbps Switch ports Store and Forwa
9. on Link with another device e Blinks When the port is sending or receiving data Activity FD COL Amber Lit When the port is set to Full Duplex mode e Blinks When a collision is detected in Half Duplex mode The Rear Panel 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 Fan Note Please keep the fan area clear so that the cooling function is not impaired C INSTALLATION This LevelOne 24 port 10 100Mbps 13 Fast Ethernet Switchis Plug amp Play They do 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 TO LOCATE THE Switch ON A DESKTOP a Attach the four rubber feet included in the product package to the bottom of the Switch one in each corner b Place the Switch on a clean flat desk or table top close to a power outlet C Plug in all network connections and the power cord To stack your Switch a Attach the four stackable stand included in the product package to the bottom of the Switch one in each corner b Now you can can use the switch to stack with other switch with stackable stand C Plug in all network connections and the power cord RACKMOUNT PLACEMENT This LevelOne 24 port
10. plex Collision Full range Auto Switching Input voltage 100 240 10 VAC 50 60 Hz 21 5 watt max Operating Temp 0 45 C 32 113 F Storage Temp 20 70 C 4 158 F Humidity 10 90 non condensing Poe FCC Class A Certifications CE Mark Dimensions 306x184x44mm 12 05x7 24x1 73inches 18
11. rd 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 The Front Panel LevelOne 24 port 10 100Mbps 13 Fast Ethernet Switch Port Speeds 100 10Mbps TP Ports Each 100 10Mbps TP port provides an Auto Negotiation tinction 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 7 Cabling 10Mbps Category 3 4 or 5 TP cabling can be used Or transmitting data at 10Mbps or 20Mbps bandwidth on 10BASE T networks 100Mbps Only Category 5 TP cabling can be used for transmitting data at 100Mbps or 200Mbps bandwidth on 100BASE TX networks 10BASE T Category 3 4 or 5 TP RJ 45 100BASE TX Category 5 TP RJ 45 Note Category 5 TP cable should be used whenever installing new TP cabling Status LEDs This LevelOne 24 port 10 100Mbps 13 Fast Ethernet Switch comes with a complete range of LEDs The table below lists each LED s name color and a brief description of its function e One for power On Off e One per port for Link Activity e One per port for Full Duplex Collision Name Coon Function o O e Lit Power On LINK ACT Green eLit When the port has a valid physical connecti
12. tions with 100 10 Workstations with 100 10 Fast Ethemet Adapters Fast Ethemet Adapters E Troubleshooting Link LED does not lit after cable is connected to the port gt Verify that the other end of the cable is connected to a 16 device that is powered on and on line Il 100BASE TX port Link LED is lit Collision LED is blinking but traffic is irregular gt Check that the attached device is not set to dedicated Full Duplex Some devices use a physical or software switch to change Duplex modes Auto Negotiation may not recognize this type of Full Duplex setting ALWAYS CHECK THAT gt CABLE AND LINK DISTANCES ARE WITHIN THE NETWORK S SPECIFICATIONS gt OVERALL NETWORK DIAMETERS ARE WITHIN THE NETWORK S SPECIFICATIONS F PRODUCT SPECIFICATIONS 10BASE T IEEE 802 3 100BASE TX IEEE 802 3u Standards Media Support Bandwidth Forwarding Filtering Latencys MAC Addresses Buffer Memory Duplex Modes Crossover LED Indicators Power Supply Power Consumption Twenty four 100BASE TX 10BASE T Category 3 4 or 5 TP 100BASE TX Category 5 TP 100BASE TX 200 100 20 10Mbps 148 810 packets second per port 100Mbps max 14 881 packets second per port 10Mbps max 9 usec 100Mbps minimum 70 usec 10Mbps minimum 8K six 6 bytes entries maximum self learning 2 5Mb Auto Negotiation All the TP ports support Auto MDIX function One for Power One per port for Link ACT One per port for Full Du

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