3Com 1600 Switch User Manual
Contents
1. OFFICE CONNECT Part No DUA1673 4AAA01 Published February 1999 INTRODUCTION Oe O Fries CONE a SVAN ers a pa NN TES Teog N Welcome to the world of networking with 3Com In the modern business environment communication and sharing information is crucial Computer networks have proved to be one of the fastest modes of communication but until recently only large businesses could afford the networking advantage The OfficeConnect product range from 3Com has changed this bringing networks to the small office As the power of workstations and business applications increases heavier demands are made on the available network bandwidth that if unchecked can lead to performance problems in a hub based setup Installing the OfficeConnect Switch 400 3C16733 Switch 800 3C16734 or Switch 1600 3C16735 allows your network to be segmented so that traffic can be contained effectively reducing the overall load without affecting access to critical resources When referring to the OfficeConnect Switch 400 Switch 800 or Switch 1600 this guide uses the term Switch The Switch is ideal for use with other OfficeConnect products It is compact and attractively designed for desktop use The Switch is part of the OfficeConnect range which neatly stacks together with clips providing a range of facilities 10BASE T OfficeConnect hub OfficeConnect Switch 100BASE TX Offic2. Make two screw holes which are 142mm 5 6in apart Use the guide at the top of this page to mark the position of the holes Fix the screws into the wall leaving their heads 3mm 0 12in clear of the wall surface Remove any connections to the unit and locate it over the screw heads When in line gently push the unit on to the wall and move it downwards to secure When making connections be careful not to push the unit up and off the wall Connecting Workstations and Other Equipment to Your Switch WARNING Ensure you have read the Important Safety Information section carefully before you start ACHTUNG Versichern Sie sich da Sie den Abschnitt mit den wichtigen Sicherheitshinweisen gelesen haben bevor Sie das Ger t benutzen AVERTISSEMENT Assurer que vous avez lu soigneusement la section de L information de S curit Importante avant que vous commenciez T CAUTION Do not power the Switch off and on quickly Wait about 5 seconds between power cycles Connecting workstations and other equipment to your Switch is easy To connect a workstation to any of the Switch s ports use a straight through TP cable Refer to Twisted Pair TP Cables for further information If the equipment connected to the Switch does not support auto negotiation or if it has been disabled it must be configured to operate in half duplex mode gt If you are using the highest number port port 4 on Switch 400 port 8 on Swit
3. 400 20VA 55 BThU hr Switch 800 16 6 VA 41 9 BThU hr 1 Switch 1600 34 5 VA 71 7 BThU hr 54mm 2 1in 0 to 40 C 32 to 105 F operating temperature Switch 400 0 96Kg 2 1 Ib 0 to 90 Switch 800 0 9Kg 2 0 Ib non condensing Switch 1600 1 0Kg 2 2 lb humidity OfficeConnect Switch Standards Functional ISO 8802 3 IEEE 802 3 802 3u Safety UL 1950 EN 60950 CSA 22 2 950 IEC 950 Emissions EN 55022 Class B FCC Part 15 Class B ICES 003 Class B VCCI Class B AS NZS 3548 Class B EN50082 1 Screened shielded cables must be used to ensure compliance with these EMC standards Refer to the EMC Statements section for conditions of operation Environmental EN 60068 IEC 68 ISO 7779 ISO 9295 Acoustic Noise FCC STATEMENT This equipment has been tested and found to comply with the limits 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 in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference o radio or television reception which can be determined by ur
4. PRICE PAID AT 3COM S OPTION THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY ROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE I Some countries states or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or consequential damages for certain products supplied to consumers or the limitation of liability for personal injury so the above limitations and exclusions may be limited in their application to you This warranty gives you specific egal rights which may vary depending on local law GOVERNING LAW This Limited Warranty shall be governed by the laws of the state of California 3Com Corporation 5400 Bayfront Plaza Santa Clara CA 95052 8145 U S A Tel 408 326 5000 9 1 96 Year 2000 Compliance For information on Year 2000 compliance and 3Com products visit the 3Com Year 2000 Web page http www 3com com products yr2000 html Environmental Statement Please recycle this user guide after use Please e mail any comments about this document to 3Com at pddtechpubs_comments 3Com com Please include the following information the document title OfficeConnect Switch 400 800 1600 User Guide part number DUA1673 4AAA01 and if appropriate the page number
5. be new or reconditioned Any replaced or repaired product or part has a ninety 90 day warranty or the remainder of the initial warranty period whichever is longer 3Com shall not be responsible for any software firmware information or memory data of Customer contained in stored on or integrated with any products returned to 3Com for repair whether under warranty or not SOFTWARE 3Com warrants that the software programs licensed from it will perform in substantial conformance to the program specifications therefor for a period of ninety 90 days from the date of purchase from 3Com or its Authorized Reseller 3Com warrants the media containing software against failure during the warranty period No updates are provided 3Com s sole obligation with respect to this express warranty shall be at 3Com s discretion to refund the purchase price paid by Customer for any defective software products or to replace any defective media with software which substantially conforms to 3Com s applicable published specifications Customer assumes responsibility for the selection of the appropriate applications program and associated reference materials 3Com makes no warranty or representation that its software products will work in combination with any hardware or applications software products provided by third parties that the operation of the software products will be uninterrupted or error free or that all defects in the software products will be correc
6. them using the Switch so that all your workstations can communicate Alternatively if you use 10BASE T and want to improve performance by introducing 100BASE TX the Switch protects your investments because it maintains 10BASE T connections to your original network equipment Before You Start Your OfficeConnect Switch comes with m One power adapter for use with the Switch The Switch 400 and Switch 1600 have an additional power cord for use with the power adapter m A Product Registration card for you to fill out and return Four rubber feet Four stacking clips An OfficeConnect Product Range sheet This guide o Unit Connections To connect OfficeConnect units such as hubs and switches to your Switch you need One suitable TP cable for each unit Workstation Connections To connect workstations or other equipment such as servers directly to your Switch you need One 10BASE T 100BASE TX or 10 100BASE TX adapter 2 card for each workstation 3 3Com produce a range of ID Da easy to install network gt 1 adapters which provide your workstation with a 10BASE T or 100BASE TX connection One suitable TP cable for each workstation In order to comply with the 10BASE T standard ports designed for workstation connections have been marked with the graphical symbol x This denotes a crossover in the port s internal wiring for example 1x 2X 3X You also need a network operating sy
7. LL OTHER WARRANTIES TERMS OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE NCLUDING WARRANTIES TERMS OR CONDITIONS OF MERCHANTABILITY FITNESS FOR A ARTICULAR PURPOSE AND SATISFACTORY QUALITY 3COM NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF ITS PRODUCTS 3COM SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THAT THE ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER S OR ANY THIRD PERSON S MISUSE NEGLECT IMPROPER INSTALLATION OR TESTING UNAUTHORIZED ATTEMPTS TO REPAIR OR MODIFY OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING OR OTHER HAZARD LIMITATION OF LIABILITY TO THE FULL EXTENT ALLOWED BY LAW 3COM ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR UNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE OR PROFITS LOSS OF BUSINESS LOSS OF INFORMATION OR DATA OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF 3COM OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AND LIMITS ITS LIABILITY TO REPAIR REPLACEMENT OR REFUND OF THE PURCHASE
8. ch 800 port 16 on Switch 1600 to connect a workstation ensure the MDI MDIX switch is set to MDIX out TP cables are very easy to use To connect a cable simply slot the connector into the relevant RJ 45 port When the connector is fully in its latch locks it in place To disconnect the cable push the connector s latch in and remove it The OfficeConnect Switch detects all port connections so you can start using your network immediately When you need more ports simply add more OfficeConnect hubs Connecting OfficeConnect Units to Your Switch You can increase the number of workstations that can connect to your network by adding OfficeConnect units such as hubs and switches You can connect either a 10BASE T or a 100BASE TX OfficeConnect unit to each port of the Switch Use the following method for each unit 1 Connect the MDI MDIX port of the unit to any of the Switch ports as shown in the diagram below If using the highest number port on the Switch port 4 on Switch 400 port 8 on Switch 800 port 16 on Switch 1600 set its MDI MDIX switch to MDIX out 2 Set the MDI MDIX switch on the unit to MDI in OfficeConnect Switch OfficeConnect 100BASE TX Hub Switch set to MDI in Twisted pair cable with RJ 45 connectors Maximum length is 100m 328ft Correct Connections for an OfficeConnect Hub Checking Unit Connections When you have connected all your units power
9. e duration of the warranty for the OfficeConnect Switch 400 3C16733 Switch 800 3C16734 and Switch 1600 3C16735 is lifetime This includes the power adapter for the Switch 800 only Advance hardware exchange is available during the first year from your date of purchase in accordance with 3Com s standard terms and conditions for such service After the first year the warranty reverts to 3Coms standard lifetime limited warranty To qualify for the lifetime limited warranty and the advance hardware exchange you must submit the appropriate product warranty registration card to 3Com otherwise this product will be warranted for a period of one 1 year without advance hardware exchange HARDWARE 3Com warrants its hardware products to be free from defects in workmanship and materials under normal use and service for the following lengths of time from the date of purchase from 3Com or its Authorized Reseller Network adapters Lifetime Other hardware products One year unless otherwise specified above Spare parts and spares kits 90 days If a product does not operate as warranted above during the applicable warranty period 3Com shall at its option and expense repair the defective product or part deliver to Customer an equivalent product or part to replace the defective item or refund to Customer the purchase price paid for the defective product All products that are replaced will become the property of 3Com Replacement products may
10. e using a straight through cable which is properly connected at both ends and is not damaged Also check that the equipment being connected to the Switch is powered on operating correctly and contains the correct type of connection PROBLEM SOLVING Alert LED continuously lit If the Alert LED is lit there is a problem with the network Remove the port connections one at a time waiting a few seconds between each port If the Alert LED goes off there is either a network loop or an excessive amount of broadcast traffic on that port connection m Network loop Examine your connections and remove the loop Each piece of equipment needs only one connection to your Switch m Excessive amounts of broadcast frames Some pieces of network equipment operate by sending out broadcast frames regularly Refer to the documentation that accompanies the piece of network equipment If the Alert LED is still lit after removing all of your connections there may be a problem with your Switch Power it off wait about 5 seconds and then power it on If the Alert LED comes back on continuously contact your supplier Link between the Switch and an OfficeConnect hub not working Check your connections follow the information given in the Connecting OfficeConnect Units to Your Switch section It is likely that an MDI MDIX Switch is incorrectly set on the Switch or hub 0 0 oO 0 power requirement Switch
11. eConnect hub Small Network with OfficeConnect Switch Circle Shows Units Clipped Together For information on these products see the OfficeConnect Product Range sheet that accompanies this product The Switch has 4 8 or 16 10 100BASE TX ports This allows you to set up a network with both 10BASE T and 100BASE TX hubs and workstations CREATING YOUR NETWORK Switch 800 and Switch 1600 gt Alert LED gt Power LED Link Activity Duplex and Speed LEDs orange green If the Link Activity LED is on green the link between the port and the next piece of Off when the unit is operating Indicates network equipment is OK The LED flashes each time a packet passes through the port correctly Flashes for a short period that the If the LED is off the port does not have anything connected to it or the connected device of time after power on for self test power is switched off If you have made a connection to the port and the LED is off there may be If the LED is continuously lit there supply to a problem with the connection refer to the Problem Solving section may be a problem Refer to the the switch is If the Duplex LED is on yellow the port is in full duplex mode If off it s half duplex Problem Solv
12. en Link OK Duplex green full off half Speed green 100Mbps off 10Mbps Switch 400 All Switches ASS 10 100BASE TX MDI O MDIX MDI MDIX switch Power Adapter socket Only use the power adapter that is supplied with the OfficeConnect Switch Do not use any other adapter Note that the power adapter and socket is different for the Switch 800 Affects the operation of the highest number port port 4 on the Switch 400 port 8 on the Switch 800 port 16 on the Switch 1600 For connecting the port to another unit such as a hub or switch set to MDI in otherwise set to MDIX out Refer to the Connecting OfficeConnect Hubs to Your Switch section 4 8 or 16 10 100BASE TX ports Use suitable TP cable with RJ45 connectors You can connect the OfficeConnect Switch to any workstation or OfficeConnect hub that has a 10BASE T 100BASE TX or 10 100BASE TX port Each port is capable of auto negotiating for 10Mbps or 100Mbps operation Networking Terminology A Network is a collection of workstations for example IBM compatible PCs and other equipment for example printers connected for the purpose of exchanging information or sharing resources Networks vary in size some are within a single room others span continents A Local Area Network LAN is a network usually in an office that spans no more than a single site Ethernet is a type of LAN referring to t
13. he technology used to pass information around the network It operates at 10Mbps megabits per second Fast Ethernet is a type of LAN that runs up to 10 times faster than standard Ethernet It operates at 100Mbps 10BASE T is the name given to the Ethernet protocol that runs over Twisted Pair TP cable 100BASE TX is the name given to the Fast Ethernet protocol that runs over Twisted Pair TP cable A Network Loop occurs when two pieces of network equipment are connected by more than one path A Segment is the length of cable connected to a port Packets are the units of information your workstations and other equipment send to each other over the network A Frame is the data part of the packet and can be Unicast sent to a single device Multicast sent to multiple devices or Broadcast sent to all devices Bandwidth refers to the amount of network traffic the network can hold at any one time information capacity measured in bits per second bps Workstations or applications that use the network heavily are referred to as using high bandwidth these are usually users who do a lot of graphical or multi media work across the network Fast Ethernet has a higher bandwidth than Ethernet so it can cope with larger amounts of traffic which results in faster operation Full duplex operation allows information to be transmitted and received simultaneously and in effect doubles the potential throughput of a link How
14. ing section present If the Speed LED is on green the port is operating at 100Mbps If off it s 10Mbps OFFICE M CONNECT 10 100BASE TX 1 2 3 4 56 7 8 9 10 11 12 13 14 15 16 Link Activity d Duplex Link Activity on link OK flash activity Duplex on full off half Speed on 100M off 10M Switch 1600 Switch 400 Port Status and Activity LEDs Speed 100 and Full Duplex LEDs If the Port Status LED is on green the link between If the Speed 100 LED is on Alert LED gt Power LED the port and the next piece of network equipment is OK green the port is operating at orange green If the LED is off nothing is connected or the connected 100Mbps If the LED is off the port Same as Switch 800 and Switch 1600 see description above Indicates that the power supply to the switch is present device is switched off or there is a problem with the connection refer to the Problem Solving section The Activity LED flashes yellow each time a packet passes through the port is operating at 10Mbps If the Full Duplex LED is on green the port is in full duplex mode If the LED is off the port is in half duplex mode OFFICE M CONNECT NA 10 100BASE TX III Activity Full Duplex Y Port Status Speed 100 Neri PWR 1 2 3 4 1 2 3 4 er Activity yellow Packet Port Status gre
15. ning the equipment off and on the user is encouraged to try o correct the interference by one or more of the following measures m Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver m Connect the equipment into an outlet on a circuit different from hat to which the receiver is connected m Consult the dealer or an experienced radio TV technician for help CSA STATEMENT This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada VCCI STATEMENT CORB FRUBRESRRMBA EMMA VCCI ORM KEISIFABHERENKETT COMB RERACHATSCE EANCLUTOETM TOREO VAR LEV a EIC LT ER NDL RERET ES DARA NC TELOMOBRMVNOELTE IN BCIQ STATEMENT SERA PANA gt EEN EA gt REPARA E gt AE IES ESE gt The user may find the following booklet prepared by the Federal Communications Commission helpful SY a El How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 In order to meet FCC emissions limits this equipment must be used only with cables which comply with IEEE 802 3 LIFETIME LIMITED WARRANTY Th
16. on the units and the Switch The Port Status LEDs for the ports you have used on both the units and the Switch should be on If they are not check your connections and the settings of the MDI MDIX switches Spot Checks At frequent intervals visually check that m The Alert LED is off this is the best way to find out if there are problems with your network m Case vents are not obstructed m Cabling is secure and not pulled taut If you suspect a problem refer to Problem Solving on page 7 NS The OfficeConnect Switch has been designed to aid you when detecting and solving possible problems with your network These problems are rarely serious the cause is usually a disconnected or damaged cable or incorrect configuration If this section does not solve your problem contact your supplier for information on what to do next Perform these actions first Ensure all equipment is powered on Power each unit off wait about 5 seconds and then power them on Check the following symptoms and solutions Power LED not lit Check your power adapter connection If there is still no power you may have a faulty power adapter which needs replacing with an identical OfficeConnect power adapter Do not use any other power adapter with the Switch Port Status LED Switch 400 Link Activity LED Switch 800 or Switch 1600 not lit for a port that has a connection There is a problem with this connection Check that you ar
17. stem running on your workstations Twisted Pair TP Cables To connect your hubs and workstations to the Switch you must use straight through TP cables with RJ 45 connectors all OfficeConnect products use RJ 45 type connectors Your supplier should stock suitable cables A straight through cable is one where each pin of one connector is connected to the same pin of the other connector Cables can be shielded screened or unshielded we recommend that you use shielded cable Cables used for 100BASE TX connections must be data grade Category 5 The maximum length you can use is 100m 328ft Wall mounting screw hole guide 142 mm 5 6 in Using the Rubber Feet and Stacking Clips The four self adhesive rubber feet prevent your Switch from sliding around on your desk Stick the feet to the marked areas at each corner of the underside of your Switch The four stacking clips are used for neatly and securely stacking your OfficeConnect units together You can stack up to four units Small units must be stacked above large units To stack your units secure the clips on one side and then on the other Use the following method to secure one side Place your new unit on a flat surface iaa Your clips fit in these s small use positions on the side these holes of the unit existing unit is large use Position a clip over one of these holes and push it in until it clicks into place Repeat
18. ted For any third party products listed in the 3Com software product documentation or specifications as being compatible 3Com will make reasonable efforts to provide compatibility except where the non compatibility is caused by a bug or defect in the third party s product STANDARD WARRANTY SERVICE Standard warranty service for hardware products may be obtained by delivering the defective product accompanied by a copy of the dated proof of purchase to 3Com s Corporate Service Center or to an Authorized 3Com Service Center during the applicable warranty period Standard warranty service for software products may be obtained by telephoning 3Com s Corporate Service Center or an Authorized 3Com Service Center within the warranty period Products returned to 3Com s Corporate Service Center must be pre authorized by 3Com with a Return Material Authorization RMA number marked on the outside of the package and sent prepaid insured and packaged appropriately for safe shipment The repaired or replaced item will be shipped to Customer at 3Com s expense not later than thirty 30 days after receipt of the defective product by 3Com WARRANTIES EXCLUSIVE IF A 3COM PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE CUSTOMER S SOLE REMEDY FOR BREACH OF THAT WARRANTY SHALL BE REPAIR REPLACEMENT OR REFUND OF THE PURCHASE PRICE PAID AT 3COM S OPTION TO THE FULL EXTENT ALLOWED BY LAW THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF A
19. the Switch Can Be Used Switching When a network of repeater hubs is in operation any information that is sent by the workstations is passed around the whole network regardless of the destination of the information This can result in a lot of unnecessary traffic that can slow the network down The Switch solves this problem because it listens to the network and automatically learns what workstations can be reached through its ports It can then selectively pass on any information by transmitting the traffic from the relevant port only instead ot all ports like a repeater hub This operation is called switching The Switch effectively divides up your network localizing the network traffic and passing on traffic as necessary as shown in the diagram If you have workstations that communicate frequently in the same part of the network traffic between them is not passed to the remainder of the network reducing the load If you have any high performance workstations that require a lot of bandwidth connect them directly to the Switch 10BASE T OfficeConnect hub OfficeConnect Switch a Le 100BASE TX OfficeConnect 100BASE TX High performance workstation The Switch Separates Your Network and Controls the Information Effectively Connecting 10BASE T and 100BASE TX Networks The 10 100 ports can each be connected to either a 10BASE T or 100BASE TX network If you have both types of network you can connect
20. this for the other clip position on the same side Positioning Your OfficeConnect Switch When installing your OfficeConnect Switch ensure It is out of direct sunlight and away from sources of heat Cabling is away from power lines fluorescent lighting fixtures and sources of electrical noise such as radios transmitters and broadband amplifiers Water or moisture cannot enter the case of the unit Air flow around the unit and through the vents in the side of the case is not restricted We recommend you provide a minimum of 25mm 1in clearance Keeping the front of the units aligned rest the bottom of the existing unit on the clips spikes Push the clips firmly into the existing unit until they click into place Repeat these steps to secure the other side To remove a clip hold the units firmly with one hand and hook the first finger of your other hand around the back of the clip Use reasonable force to pull it off Wall Mounting the OfficeConnect Switch T CAUTION Only wall mount single units Do not wall mount stacked units There are two slots on the underside of the OfficeConnect Switch which are used for wall mounting You can mount the unit with the LEDs facing upwards or downwards to suit your needs When wall mounting the unit ensure that it is within reach of the power outlet You need two suitable screws Ensure that the wall you are going to use is smooth flat dry and sturdy
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