Linksys EF3508 Switch User Manual
Contents
1. One frame in a packet switched message Most data communi cations is based on dividing the transmitted message into packets For example an Ethernet packet can be from 64 to 1518 bytes in length Dynamic Routing The ability for a router to forward data via a different route based on the current conditions of the communications circuits For example it can adjust for overloaded traffic or failing lines and is much more flexible than static routing which uses a fixed forwarding path Ethernet IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium Has a transfer rate of 10 Mbps Forms the underlying transport vehicle used by several upper level proto cols including TCP IP and XNS Fast Ethernet A 100 Mbps technology based on the 10BASE T Ethernet CSMA CD network access method Full Duplex The ability of a device or line to transmit data simultaneously in both directions Half Duplex Data transmission that can occur in two directions over a single line but only one direction at a time Hardware Hardware is the physical aspect of computers telecommunications and other information technology devices The term arose as a way to distinguish the box and the electronic circuitry and components of a computer from the pro gram you put in it to make it do things The program came to be known as the soft ware EtherFast 8 Port and 12 Port Ggabit Ethernet Switc2. 10 100 networking needs e Eight or twelve 10 100Mbps half full duplex and 1000Mbps full duplex switched ports e Forwards and filters packets at non blocking full wire speed e All ports have auto speed negotiation and MDI MDIX e Supports address learning and aging 802 3x flow control and head of line blocking prevention e Free Technical Support 24 Hours a Day 7 Days a Week Toll Free US Calls e Two Year Limited Warranty Instant EtherFast Series Chapter 2 Getting to Know the EtherFast 8 Port Ggabit Ethernet Switch The 8 Port Gigabit Ethernet Switch s Back Panel FAN Radiates the heat inside the system Buzzer Warns you if the system overheats To disable the warning system use a pen point or similar object to push in the button and the buzzer will not sound if the system overheats Power The Power port is where you will connect the included power cord The 8 Port Gigabit Ethernet Switch s Front Panel FDX ACT FOX ACT FDX ACT FOX ACT FDX ACT FDX ACT FDX ACT FDX ACT i v 4 1 Ports 1 8 These eight LAN Local Area Network ports con nect network devices such as PCs print servers network attached storage and remote hard drives at 10 100 1000Mbps Or they can be used to expand your network by connecting to a 1000Mbps hub or switch When connecting to a PC equipped with an Instant Gigabit Network Adapter just plug one end of a Category 5e Ethernet network cable into the RJ 45 port on the Adapter a
3. Second One million bits per second unit of measure ment for data transmission MDI Medium Dependent Interface On a network hub or switch a MDI port also known as an uplink port connects to another hub or switch using a straight through cable To connect a MDI port to a computer use a crossover cable MDIX Medium Dependent Interface Crossed On a network hub or switch a MDIX port connects to a computer using a straight through cable To connect a MDIX port to another hub or switch use a crossover cable Network A system that transmits any combination of voice video and or data between users Instant EtherFast Series NIC Network Interface Card A board installed in a computer system usu ally a PC to provide network communication capabilities to and from that com puter system Also called an adapter Packet A unit of data routed between an origin and a destination in a network Port A pathway into and out of the computer or a network device such as a switch or router For example the serial and parallel ports on a personal com puter are external sockets for plugging in communications lines modems and printers RJ 45 Registered Jack 45 A connector similar to a telephone connector that holds up to eight wires used for connecting Ethernet devices STP Shielded Twisted Pair Telephone wire that is wrapped in a metal sheath to eliminate external interference TCP IP Transmission Control Protoco
4. time and bandwidth is wast ed on data packets swimming along network lines before they find their correct address A switch on the other hand looks at the address for each data packet and delivers it directly to the correct destination Gigabit Ethernet is ideal for deployment as a backbone interconnect and as a connection to high performance servers With the addition of Gigabit Ethernet Ethernet delivers scalable solution 10 100 1000 Mbps for the LAN from the desktop to the workgroup and the backbone EtherFast 8 Port and 12 Port Ggabit Ethernet Switches Chapter 4 Installing the EtherFast Ggabit Ethernet Switches Installing the EtherFast Gigabit Ethernet Switch may involve installing both an adapter and the Gigabit Ethernet Switch If you are integrating these items into an existing nework some additional steps may be necessary involving set tings for your existing equipment Consult your network administrator for more information about how the Gigabit Ethernet Switch will interface with your existing network components Installing the Gigabit Ethernet Switches The Switch s front panel has eight or twelve RJ 45 ports Each 10 100 1000 port automatically detects the speed and duplex of the attached cabling to a net work card switch hub etc The ports operate in either full or half duplex which lets you run at speeds of 2000Mbps 200Mbps 100Mbps or 10Mbps Each 10 100 1000 port on your Switch can connect to work
5. 5 Appendix D Specifications for the EtherFast 12 Port Gigabit Ethernet Switch 16 Environmental 16 Appendix E Warranty Information 17 Appendix F Contact Information 18 EtherFast 8 Port and 12 Port Ggabit Ethernet Switches Chapter 1 Introduction The EtherFast 8 Port and 12 Port Gigabit Ethernet Switches The EtherFast 8 Port or 12 Port Gigabit Ethernet Switch takes your network to a whole new level of productivity and does it using your existing architec ture There s no need to abandon your present equipment or radically change your way of doing things This Switch from Linksys allows you to do what you already do only faster Apply this switching power to your current Ethernet network and your data traffic efficiency will improve several times over Connect your Gigabit equipped workstations to the Switch s 10 100 1000 ports for full duplex dedi cated bandwidth of up to 1000Mbps With the EtherFast 8 Port or 12 Port Gigabit Ethernet Switch you can connect your existing 10 100 Ethernet network to your Gigabit server backbone with out any additional equipment All ports are auto sensing and have auto MDI MDIX Address learning and aging is supported as well as 802 3x flow control with head of line blocking prevention to keep your high speed clients from bogging down in low speed traffic The EtherFast 8 Port and 12 Port Gigabit Ethernet Switches from Linksys are the all in one solution for your Gigabit and
6. EXCEED THE PRICE PAID FOR THE PROD UCT FROM DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAM AGES RESULTING FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFT WARE OR ITS DOCUMENTATION LINKSYS OFFERS NO REFUNDS FOR ITS PROD UCTS TAMPERING WITH OR DISASSEMBLING THE PRODUCT VOIDS THE LINKSYS WARRANTY Linksys makes no warranty or representation expressed implied or statu tory with respect to its products or the contents or use of this documentation and all accompanying software and specifically disclaims its quality performance mer chantability or fitness for any particular purpose Linksys reserves the right to revise or update its products software or documentation without obligation to notify any individ ual or entity Please direct all inquiries to Linksys P O Box 18558 Irvine CA 92623 FCC STATEMENT The EtherFast 8 Port Gigabit Ethernet Switch and EtherFast 12 Port Gigabit Ethernet Switch have been tested and found to comply with the limits 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 in a residential installation This equipment gen erates uses and can radiate radio frequency energy and if not installed and used according to the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If thi
7. EtherFast 8 Port and 12 Port Ggabit Ethernet Switches Use this Guide to install the following products EF3508 EtherFast 8 Port Ggabit Ethernet Switch EF3512 EtherFast 12 Port Ggabit Ethernet Switch LALINKSVvS COPYRIGHT amp TRADEMARKS Copyright 2002 Linksys All Rights Reserved EtherFast Linksys and Linksys logo are registered trademarks of Linksys Group Inc Microsoft Windows and the Windows logo are registered trademarks of Microsoft Corporation All other trademarks and brand names are the property of their respective proprietors LIMITED WARRANTY Linksys guarantees that every EtherFast 8 Port Gigabit Ethernet Switch and EtherFast 12 Port Gigabit Ethernet Switch is free from physical defects in material and workman ship under normal use for TWO years from the date of purchase If the product proves defective during this warranty period call Linksys Technical Support in order to obtain a Return Authorization number BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT S PACKAGING ON HAND WHEN CALLING RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE When return ing a product mark the Return Authorization Number clearly on the outside of the pack age and include a copy of your original proof of purchase All customers located out side of the United States of America and Canada shall be held responsible for shipping and handling charges IN NO EVENT SHALL LINKSYS LIABILITY
8. N CALLING RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE IN NO EVENT SHALL LINKSYS LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FROM DIRECT INDIRECT SPECIAL INCIDEN TAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFTWARE OR ITS DOCU MENTATION LINKSYS DOES NOT OFFER REFUNDS FOR ANY PROD UCT LINKSYS OFFERS CROSS SHIPMENTS A FASTER PROCESS FOR PRO CESSING AND RECEIVING YOUR REPLACEMENT LINKSYS PAYS FOR UPS GROUND ONLY ALL CUSTOMERS LOCATED OUTSIDE OF THE UNITED STATES OF AMERICA AND CANADA SHALL BE HELD RESPONSIBLE FOR SHIPPING AND HANDLING CHARGES PLEASE CALL LINKSYS FOR MORE DETAILS Instant EtherFast Series Appendix Contact Information For help with the installation or operation of the Switch contact Linksys Technical Support at one of the phone numbers or Internet addresses below Sales Information 800 546 5797 LINKSYS Technical Support 800 326 7114 RMA Issues 949 271 5461 Fax 949 265 6655 Email support linksys com Web http www linksys com FTP Site ftp linksys com LINKSYS http www linksys c om Copyright 2002 Linksys All Rights Reserved
9. g existing 10BaseT and 100BaseTX networks to operate with the Switch Allowing 10BaseT and 100BaseTX hardware speeds to run alongside each other eliminates the need to purchase new hardware rewire and reconfigure an entire site all at once This ensures that Fast Ethernet will not fall obsolete to upgrades in speed standards and maintains use of all your old equipment until you decide to buy speedier replacements Switches also feature full duplex data transfer meaning that all computers on the Switch can talk to the Switch at the same time Plus switches can send and receive data simultaneously to all connections whereas a hub cannot A hub simply works with one computer at a time and only sends or receives data since it cannot handle two way communication In addition to full duplex transfer the Switch provides your network with ded icated bandwidth to each node For instance if you connect eight computers to the EtherFast 8 Port Gigabit Ethernet Switch then each computer will get a dedicated bandwidth of 2000Mbps at full duplex transfer If you run eight computers from a 100Mbps hub then each computer will share only a part of the 100Mbps bandwidth A network without a switch is called a shared network because every node on the network competes for a fraction of the total bandwidth In a shared network data packets are randomly broadcasted to all stations until they discover their intended destination Consequently considerable
10. hes Hub The device that serves as the central location for attaching wires from workstations Can be passive where there is no amplication of the signals or active where the hubs are used like repeaters to provide an extension of the cable that connects to a workstation IEEE The Institute of Electrical and Electronics Engineers The IEEE describes itself as the world s largest technical professional society promot ing the development and application of electrotechnology and allied sciences for the benefit of humanity the advancement of the profession and the well being of our members The IEEE fosters the development of standards that often become national and international standards The organization publishes a number of journals has many local chapters and several large societies in special areas such as the IEEE Computer Society LAN A local area network LAN is a group of computers and associated devices that share a common communications line and typically share the resources of a single processor or server within a small geographic area for example within an office building Latency The time delay between when the first bit of a packet is received and the last bit is forwarded MAC Media Access Control Address A unique number assigned by the manufacturer to any Ethernet networking device such as a network adapter that allows the network to identify it at the hardware level Mbps Megabits Per
11. ht Power Certifications Operating Temp Storage Temp Operating Humidity Storage Humidity 16 93 x 9 45 x 1 75 430 nm x 240 nmx 44 5 nm 6 6 Ibs 3 kg 100 240 VAG 50 W 50 60Hz 1A FCC Class A CE OFC to 40 C 32 F to 1049F 40 C to 70 C 40 F to 1589 20 to 95 Non Condensing 20 to 95 Non Condensing Instant EtherFast Series Appendix D Specifications for the EtherFast 12 Port Ggabit Ethernet Switch Standards IEEE 802 3 IEEE 802 3u IEEE 802 3ab IEEE 802 3x Protocol CSMA CD Ports 12 Auto Sensing Auto MO MDIX 10 100 1000 RJ 45 Ports Speed Per Port Mbps 10 or 100 or 1000 Half Duplex 20 or 200 or 2000 Full Duplex MAC Acidiresses 32K Buffer Memory 1 MB Cabling Type Category 5e or Better LOOOMIbps Category 5 or Better 10 1LOOMbps LEDs Power TEMP Fan Act per Port FDX per Port 10 per Port LOO per Port 1000 per Port Environmental Dimensions 16 93 x 9 45 x 1 75 430 nm x 240 nm x 44 5 nm Unit Weight 7 9 Ibs 3 6 kg Power 100 240 VAG 50 W 50 60Hz 1A Certifications FCC Cass A CE Qperating Temp OC to 40 C 32 F to 104 F Storage Temp 40C to 70 C 40 F to 158 F Qperating Humidity 20 to 95 Non Gondensing Storage Humidity 20 to 95 Non Condensing EtherFast 8 Port and 12 Port Ggabit Ethernet Switches Appendix E Warranty Information BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT S PACKAGING ON HAND WHE
12. in half duplex transfer mode and broad casts information to all ports e Conserving Bandwidth with 10Mbps 100Mbps and 1000Mbps Segments 10BaseT and 100BaseTX hardware are not readily compatible but the Switch can designate network segments of different speeds This allows you to run one 100Mbps segment to serve users without a need for considerable speed and a faster 1000Mbps segment devoted to users who depend heavily on graphics multimedia database or other speed intensive applications With switched segmentation your 1000Mbps users will not be slowed down by the users on the 10 100Mbps segment e Run 10 100Mbps Peripherals in a 1000Mbps Network Most of the network peripherals in place today run at 10 100Mbps since 100BaseTX has been the standard network speed to date These peripherals designed to operate at 100Mbps cannot readily communicate with 1000BaseTX equipment A 10Mbps interface is also required for cable and DSL connections which are quickly becoming very popular ways to access the Internet The Switch provides your 10BaseT equipment and cable and DSL lines with a LOMbps interface while still running your Fast Ethernet devices at 100Mbps or your Gigabit devices at 1000Mbps e Strengthen Data Transfers through Signal Regeneration The Switch functions as a repeater which regenerates data signals as they pass through it This feature acts as a safeguard to deter data loss and ensure that transmissions arrive at their de
13. ion for 100 Mbps over two pairs of Category 5 UTP or STP wire 1000BASE T Provides half duplex CSMA CD and full duplex 1000Mbps Ethernet service over Category 5e links as defined by ANSI TIA EIA 568 A Topology rules for 1OOOBASE T are the same as those used for 1 OOBASE TX Category 5e link lengths are limited to 100 meters by the ANSI TIA EIA 568 A cabling standard Only one CSMA CD repeater will be allowed in a collision domain Adapter Printed circuit board that plugs into a PC to add to capabilities or connectivity to a PC In a networked environment a network interface card NIC is the typical adapter that allows the PC or server to connect to the intranet and or Internet Auto MDI MDIX On a network hub or switch an auto MDI MDIX port automatically senses if it needs to act as a MDI or MDIX port The auto MDI MDIX capability eliminates the need for crossover cables Auto Sensing To automatically determine the correct settings The term is often used with communications and networking For example Ethernet 10 100 cards hubs and switches can determine the highest speed of the node they are connected to and adjust their transmission rate accordingly Backbone The part of a network that connects most of the systems and net works together and handles the most data Bandwidth The transmission capacity of a given facility in terms of how much data the facility can transmit in a fixed amount of time expressed in bits pe
14. ire 1 Oange Stripe Wire 2 Orange White with Wire 3 Green Stripe Wire 4 Elum White with a Wire 5 Bluo Stripe Wire E Groen White with Wire T Brown Stripe Wire amp To determine which wire is wire number 1 hold the cable so pl that the end of the plastic RJ 45 connector the part that goes a hanea FI into a wall jack first is facing away from you Face the clip down so that the copper side faces up the springy clip will now be parallel to the floor When looking down on the cop 4 per side wire 1 will be on the far left Crimping Your Own Network Cables Instant EtherFast Series Pins 4 5 7 and 8 are not used Pins 4 5 7 and 8 are not used Straight Through Wire Becomes 1 Pin number Wire Color Pin 1 gt Orange White Pin 2 gt Orange Pin 3 gt Green White Pin 4 gt Blue Pin 5 gt Blue White Pin 6 gt Green Pin 7 gt Brown White 1 2 Pin 8 gt Brown 3 6 BERI 2 3 6 Pins 4 5 7 and 8 are not used Pins 4 5 7 and 8 are not used Pin 1 gt Orange White Pin 2 gt Oran Pin 3 gt Green White Pin 4 gt Blue Pin 5 gt Blue White Pin 6 gt Green Pin 7 gt Brown White Pin 8 gt Brown UHN EtherFast 8 Port and 12 Port Ggabit Ethernet Switches Appendix B Gossary 10BaseT An Ethernet standard that uses twisted wire pairs 100BaseTX IEEE physical layer specificat
15. l Internet Protocol The basic com munication language or set of protocols for communications over a network developed specifically for the Internet TCP IP defines a suite or group of protocols and not only TCP and IP Throughput The amount of data moved successfully from one place to another in a given time period UTP Unshielded twisted pair is the most common kind of copper telephone wiring Twisted pair is the ordinary copper wire that connects home and many business computers to the telephone company To reduce crosstalk or electro magnetic induction between pairs of wires two insulated copper wires are twisted around each other Each signal on twisted pair requires both wires Since some telephone sets or desktop locations require multiple connections twisted pair is sometimes installed in two or more pairs all within a single cable EtherFast 8 Port and 12 Port Ggabit Ethernet Switches Appendix C Specifications for the EtherFast 8 Port Ggabit Ethernet Switch Standards Protocol Ports Speed Per Port Mbps IEEE 802 3 IEEE 802 3u IEEE 802 3ab IEEE 802 3x CSMA CD 8 Auto Sensing Auto MD MDIX 10 100 1000 RJ 45 Ports 10 or 100 or 1000 Half Duplex 20 or 200 or 2000 Full Duplex 8K 512 KB Category 5e or Better 1000Mbps Category 5 or Better 10 100MIbps Power TEMP Fan Act per Port FDX per Port 10 per Port LOO per Port 1000 per Port Environmental Dimensions Unit Weig
16. nd the other end into one of the ports on the Gigabit Ethernet Switch EtherFast 8 Port and 12 Port Ggabit Ethernet Switches LK LINKSYS EtherFast 1727 aer 76 8 0 58 The LED Indicators Fan TEMP Power 1000 100 10 FDX ACT Red The Fan LED lights up when the fan is not on Red The TEMP LED lights up when the operating temper ature is too high Green The Power LED lights up when the Switch is powered on Green The 1000 LED lights up when the port is operating at 1000Mbps If the LED is off the port is operating at either 100Mbps or 10Mbps or it is not active Green The 100 LED lights up when the port is operating at 100Mbps If this LED is off the port is operating at either 1000Mbps or 10Mbps or it is not active Amber The 10 LED lights up when the port is operating at 10Mbps If this LED is off the port is operating at either 1000Mbps or 100Mbps or it is not active Amber If the FDX Full Duplex Collision LED is lit up continuously the connection made through the correspon ding port is running in Full Duplex mode If the LED is blinking the port is experiencing data collisions Infrequent collisions are normal If this LED is blinking often there may be a problem with your connection Green The ACT LED blinks when data is being sent or received through the port When the LED is off there is no data being transferred through the port Instant EtherFast Series Chap
17. p when the fan is not on Red The TEMP LED lights up when the operating temper ature is too high Green The Power LED lights up when the Switch is powered on Green The 1000 LED lights up when the port is operating at 1000Mbps If the LED is off the port is operating at either 100Mbps or 10Mbps or it is not active Green The 100 LED lights up when the port is operating at 100Mbps If this LED is off the port is operating at either 1000Mbps or 10Mbps or it is not active Amber The 10 LED lights up when the port is operating at 10Mbps If this LED is off the port is operating at either 1000Mbps or 100Mbps or it is not active Amber If the FDX Full Duplex Collision LED is lit up continuously the connection made through the correspon ding port is running in Full Duplex mode If the LED is blinking the port is experiencing data collisions Infrequent collisions are normal If this LED is blinking often there may be a problem with your connection Green The ACT LED blinks when data is being sent or received through the port When the LED is off there is no data being transferred through the port Instant EtherFast Series Switches Versus Hubs The Gigabit Ethernet Switch boosts your network performance several times over conserving your time money and resources The Switch s feature gives you a key advantage over other forms of networking by upgrading speed criti cal network segments to 1000Mbps while allowin
18. r second bps CAT 3 ANSI EIA American National Standards Institute Electronic Industries Association Standard 568 is one of several standards that specify categories the singular is commonly referred to as CAT of twisted pair cabling systems wires junctions and connectors in terms of the data rates that they can sustain CAT 3 cable has a maximum throughput of 16 Mbps and is usually utilized for 10BaseT networks 11 Instant EtherFast Series CAT 5 ANSI EIA American National Standards Institute Electronic Industries Association Standard 568 is one of several standards that specify categories the singular is commonly referred to as CAT of twisted pair cabling systems wires junctions and connectors in terms of the data rates that they can sustain CAT 5 cable has a maximum throughput of 100 Mbps and is usually utilized for 100BaseTX networks CAT 5e The additional cabling performance parameters of return loss and far end crosstalk FEXT specified for 1000BASE T and not specified for 10BASE T and 100BASE TX are related to differences in the signaling imple mentation 1OBASE T and 100BASE TX signaling is unidirectional signals are transmitted in one direction on a single wire pair In contrast Gigabit Ethernet is bi directional signals are transmitted simultaneously in both direc tions on the same wire pair that is both the transmit and receive pair occupy the same wire pair Data Packet
19. s equipment does cause harmful interference to radio or television reception which is found by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna Increase the separation between the equipment or device Connect the equipment to an outlet other than the receiver s Consult a dealer or an experienced radio TV technician for assistance UG EF3508 EF3512 102202 NC BW Instant EtherFast Series Table of Contents Chapter 1 Introduction 1 Your EtherFast 8 Port and 12 Port Gigabit Switches 1 Features 1 Chapter 2 Getting to Know the EtherFast 8 Port Gigabit Ethernet Switch 2 The 8 Port Gigabit Ethernet Switch s Back Panel 2 The 8 Port Gigabit Ethernet Switch s Front Panel 2 Chapter 3 Getting to Know the EtherFast 12 Port Gigabit Ethernet Switch The 12 Port Gigabit Ethernet Switch s Back Panel The 12 Port Gigabit Ethernet Switch s Front Panel Switches Versus Hubs aR PR Chapter 4 Installing the EtherFast Gigabit Ethernet Switches Overview Installing the 8 Port or 12 Port Gigabit Ethernet Switch Connecting Your Hardware Together and Booting Up Tips on Switching Your Network onninN Appendix A Twisted Pair Cabling Crimping Your Own Network Cables ow Appendix B Glossary 11 Appendix C Specifications for the EtherFast 8 Port Gigabit Ethernet Switch 15 Environmental 1
20. stations file servers hubs repeaters bridges routers or other switches Connections to the switch require Category 5 Ethernet network cabling Category 5e for Gigabit connections To connect a computer directly to the Switch plug one end of a standard net work cable into the switch and then plug the other end of the cable into the computer s network adapter Connecting Your Hardware Together and Booting Up Plug in the Gigabit Ethernet Switch s power cable The Power LED will light up As devices make connections to the Switch s ports each port s correspon ding FDX or ACT LED will light up The remaining LEDs will also light up according to how your connection is made e g full or half duplex 1OMbps 100Mbps or 1000Mbps If the Switch experiences excessive data collisions verify that your network cabling is securely crimped and installed properly Instant EtherFast Series Tips on Switching Your Network Here are some of the ways the new EtherFast 8 Port or 12 Port Gigabit Ethernet Switch can help you optimize your network speed e Speed up Nodes from Your 10BaseT Network In a 10BaseT network connect your hubs file servers and key users such as network administrators directly to your Switch to channel dedicated bandwidth in full duplex mode if operating in full duplex to each station The Switch will have dedicated communication with all its connections simultaneously whereas a hub will only communicate
21. stination intact Switches positioned between hubs can preserve your data s integrity and eliminate your need to buy and use repeaters in your Fast Ethernet or Gigabit network EtherFast 8 Port and 12 Port Ggabit Ethernet Switches Appendix A Twisted Pair Cabling There are different grades or categories of twisted pair cabling Category 5 is the most reliable and is highly recommended Straight through cables are used for connecting computers to a hub or switch Crossover cables are used for con necting a hub or switch to another hub or switch there is an exception some hubs and switches have a built in uplink port that is crossed internally this allows you to link or connect hubs or switches together with a straight through cable instead You can buy pre made Category 5 or Se cabling or cut and crimp your own Category 5 or 5e cables can be pur chased or crimped as either straight through or crossover Inside a Category 5 or 5e cable are eight thin color coded wires that run from one end of the cable to the other All eight wires are used In a straight through cable wires 1 2 3 and 6 at one end of the cable are also wires 1 2 3 and 6 at the other end In a crossover cable the order of the wires change from one end to the other wire 1 becomes 3 and 2 becomes 6 See the diagrams on the next page for more detailed information on straight through and crossover cabling RJ 45 Color Chart Wihlle aih ari W
22. ter 3 Getting to Know the EtherFast 12 Port Ggabit Ethernet Switch The 12 Port Gigabit Ethernet Switch s Back Panel FAN Radiates the heat inside the system Buzzer Warns you if the system overheats To disable the warning system use a pen point or similar object to push in the button and the buzzer will not sound if the system overheats Power The Power port is where you will connect the included power cord The 12 Port Gigabit Ethernet Switch s Front Panel ACT FOX ACT FOX ACT FOK ACT i FOX ACT FOK ACT FOK ACT FOX ACT FOX ACT FOK ACT FOK ACTFOK ACT FOX d CICI ah a ae ae CIECIE qi 1 1 gi d3 1 2 3 a te eh ee eae 0 2 Ports 1 12 These twelve LAN Local Area Network ports con nect network devices such as PCs print servers network attached storage and remote hard drives at 10 100 1000Mbps Or they can be used to expand your network by connecting to a 1000Mbps hub or switch When connecting to a PC equipped with an Instant Gigabit Network Adapter just plug one end of a Category 5e Ethernet network cable into the RJ 45 port on the Adapter and the other end into one of the ports on the Gigabit Ethernet Switch EtherFast 8 Port and 12 Port Ggabit Ethernet Switches CO LINKSYS FtherFast 3512 12 Port Gigabit Ethernet Switch Model No EF3512 E E A 6087 8 2810 11 The LED Indicators Fan TEMP Power 1000 100 10 FDX ACT Red The Fan LED lights u
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