3Com 1100 User Manual
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3Com 1100 User Manual

3Com 1100 User Manual

3com superstack switch user guide
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http://www.3com.com/
Part No. DUA1695-0AAA02
Published August 1998
SuperStack

User Guide

3C16950, 3C16951
II Switch 1100
®

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  • Page 1: User Guide

    SuperStack User Guide ® 3C16950, 3C16951 http://www.3com.com/ Part No. DUA1695-0AAA02 Published August 1998 II Switch 1100 ®...
  • Page 2 Environmental Statement It is a 3Com policy to be environmentally friendly in all operations. This manual is printed on paper that comes from sustainable, managed European forests. The production process for making the pulp has a reduced AOX level (adsorbable organic halogen) resulting in elemental chlorine-free paper.

  • Page 3: Table Of Contents

    BOUT UIDE Conventions Related Documentation Year 2000 Compliance Documentation Comments NTRODUCING THE About the SuperStack II Switch 1100 Summary of Features Switch 1100 — Front View Detail Port Connections LEDs Switch 1100 — Rear View Detail Unit Information Label Power Socket...
  • Page 4 Online Technical Services Support from Your Network Supplier Support from 3Com Returning Products for Repair Stacking Two Units Stacking Multiple Units Connecting a Redundant Power System Powering-up the Switch 1100 Checking for Correct Operation AFETY NFORMATION OUTS ECHNICAL PECIFICATIONS ECHNICAL...
  • Page 5 LOSSARY NDEX ORPORATION IMITED ARRANTY EMC S TATEMENTS...

  • Page 7: About This Guide

    This guide provides all the information you need to install and use a ® SuperStack II Switch 1100 unit with default settings. If you want to change the way the Switch works using management software, refer to the “SuperStack II Switch Management Guide” (part number DUA1695-0BAA0x).

  • Page 8: Conventions

    BOUT UIDE Conventions Table 1 and Table 2 list conventions that are used throughout this guide. Table 1 Notice Icons Icon Table 2 Text Conventions Convention Screen displays This typeface represents information as it appears on the Syntax Commands The words “enter” and “type”...

  • Page 9: Related Documentation

    Table 2 Text Conventions (continued) Convention Words in italics Related In addition to this guide, each Switch 1100 document set includes the Documentation following: Description Italics are used to: Emphasize a point. Denote a new term at the place where it is defined in the text.

  • Page 10: Year 2000 Compliance

    BOUT UIDE In addition, there are other publications you may find useful: Year 2000 For information on Year 2000 compliance and 3Com products, visit the Compliance 3Com Year 2000 Web page: http://www.3com.com/products/yr2000.html Documentation Your suggestions are very important to us. They will help make our Comments documentation more useful to you.

  • Page 11: Introducing The Switch

    This chapter contains introductory information about the Switch and how it can be used in your network. It covers the following topics: About the SuperStack II Switch 1100 Switch 1100 — Front View Detail Switch 1100 — Rear View Detail...

  • Page 12: About The Superstack Ii Switch 1100

    As part of this SuperStack II system, the Switch 1100 meets the challenge of modern LANs and allows you to add features and capacity as your network expands.

  • Page 13: Switch 1100 - Front View Detail

    Switch 1100 — Front View Detail Figure 1 Switch 1100 — Front view Port Connections 10BASE-T Ports The Switch has 12 or 24 10BASE-T ports configured as MDIX (cross-over). The maximum segment length is 100m (328ft) over Category 3, 4, or 5 twisted pair cable.

  • Page 14: Leds

    No Expansion Module or Matrix Module is installed. Green The Switch forms a stack with other Switch 1100 / Switch 3300 units; the LED indicates the position of the Switch in the stack and that a link is present. Note that although there are eight LEDs, only four Switch units can be stacked at present.

  • Page 15: Switch 1100 - Rear View Detail

    Switch 1100 — Rear View Detail Figure 2 Switch 1100 — Rear view Unit Information This label shows the following: Label You may need this information for fault reporting purposes. Power Socket The Switch automatically adjusts its power setting to any supply voltage in the range 90–240V A.C.

  • Page 16: Expansion Module Slot

    Stack the Switch with another Switch 1100 or Switch 3300 unit using a single Matrix Cable Stack the Switch with up to three other Switch 1100 or Switch 3300 units, if one of the units has a Matrix Module installed.

  • Page 17: Network Configuration Examples

    The following illustrations show some examples of how the Switch can be Configuration placed on your network. Examples Figure 3 shows how the Switch 1100 fits into a large corporate network Network Segmentation I with a Fast Ethernet infrastructure. A Switch is positioned on each floor and servers are centralized in the basement.

  • Page 18: Network Segmentation

    NTRODUCING THE WITCH Network Figure 4 shows the Switch 1100 in a second workgroup situation. This setup could be that of a small office within a large corporation, or part of Segmentation II a larger corporate network. Most of the switch ports have multiple endstations.

  • Page 19: Desktop Switching

    Network Configuration Examples Desktop Switching Figure 5 shows the Switch 1100 used for a group of users in a large corporate network. Here switching is brought to the desktop with a single endstation per port. Local servers are connected via 100Mbps Fast Ethernet links.

  • Page 20: Configuration Rules For Fast Ethernet

    The topology rules for 100Mbps Fast Ethernet are slightly different to for Fast Ethernet those for 10Mbps Ethernet. Figure 6 illustrates the key topology rules and provides examples of how they allow for large-scale Fast Ethernet networks. Figure 6 Fast Ethernet configuration rules 1100 WITCH...

  • Page 21: Configuration Rules With Full Duplex

    (one hub stack per wiring closet with a fiber run to the collapsed backbone); for example, a 225m (738ft) fiber link from a repeater to a router or switch, plus a 100m (328ft) UTP link from a repeater out to the endstations.
  • Page 22 1: I 1100 HAPTER NTRODUCING THE WITCH...

  • Page 23: Installing The Switch

    Solving Problems Indicated by LEDs Managing the Switch WARNING: Safety Information. Before installing or removing any components from the Switch 1100 or carrying out any maintenance procedures, you must read the safety information provided in Appendix A of this guide.

  • Page 24: Choosing A Suitable Site

    Remove all self adhesive pads from the underside of the Switch if they have been fitted. 1 Place the Switch the right way up on a hard flat surface, with the front facing towards you. 2 Locate a mounting bracket over the mounting holes on one side of the Switch, as shown in Figure 7.

  • Page 25: Wall-Mounting

    Remove self-adhesive pads from the underside of the Switch if they have been fitted. 1 Place the Switch the right way up on a hard flat surface, with the front facing towards you. 2 Locate a mounting bracket over the mounting holes on one side of the Switch, as shown in Figure 8.
  • Page 26 3 Insert the two screws and tighten with a suitable screwdriver. 4 Repeat steps 2 and 3 for the other side of the Switch. 5 Ensure that the wall you are using is smooth, flat, dry and sturdy. Attach a piece of plywood, approximately 305mm x 510mm x 12mm (12in.

  • Page 27: Placing Units On Top Of Each Other

    Stacking Units Switch 1100 and 3300 units can be stacked together and then treated as a single manageable unit with one IP address. You can stack Switch units together in two ways: Stacking Two Units To stack two Switch units, you only need one Matrix Cable.

  • Page 28: Stacking Multiple Units

    WITCH As shown in Figure 9, connect one end of the Matrix Cable to the matrix port of the top Switch, and the other end to the matrix port of the lower Switch. Figure 9 A stack of two units Stacking Multiple You can connect up to four Switch units to form a stack.
  • Page 29 Connect a second Matrix Cable to the port marked Unit 2 on the Matrix Module. Connect the other end of this cable to the matrix port of the second Switch. c Repeat steps a and b for any additional Switch units. Figure 10 A stack of multiple units Stacking Units...

  • Page 30: The Power-Up Sequence

    2: I HAPTER NSTALLING THE The Power-up The following sections describe how to get your Switch 1100 Sequence powered-up and ready for operation. Connecting a You can connect a SuperStack II Advanced Redundant Power System Redundant Power (part number 3C16071) to the Switch. This unit, which is also known as...

  • Page 31: Choosing The Correct Cables

    If there is evidence of a problem, see “Solving Problems Indicated by LEDs” on page 32. Choosing the All of the ports on the front of the Switch 1100 are configured as MDIX Correct Cables (cross-over). If you want to make a connection to another MDIX port, you need a cross-over cable.

  • Page 32: Solving Problems Indicated By Leds

    2: I HAPTER NSTALLING THE Solving Problems If the LEDs on the Switch indicate a problem, refer to Table 5 which Indicated by LEDs contains a list of possible problems and suggested solutions. Table 5 Problems indicated by LEDs Problem...

  • Page 33: Managing The Switch

    Switch way it works. This management software is not required to get the Switch working, but if you do use it, you may improve the efficiency of the Switch and therefore improve the overall performance of your network. For information on managing the Switch using the management software, refer to the “SuperStack II Switch Management...
  • Page 34 2: I HAPTER NSTALLING THE WITCH...

  • Page 35: Safety Information

    You must read the following safety information before carrying out any installation or removal of components, or any maintenance procedures on the Switch 1100. WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully.

  • Page 36: Important Safety Information

    If installing the Switch unit in a stack with SuperStack II Hub units, the Switch 1100 unit must be installed below the narrower Hub units. The unit should never be connected to an A.C. outlet (power supply) without an earth (ground) connection.
  • Page 37 Neutral, connected directly to earth (ground). †Impédance à la terre. UK only: The Switch 1100 is covered by Oftel General Approval, NS/G/12345/J/100003, for indirect connection to a public telecommunications system. This can only be achieved using the console port on the unit and an approved modem.

  • Page 38: L'information De Sécurité Importante

    L'installation et la dépose de ce groupe doivent être confiés à un personnel qualifié. Si vous entassez l'unité Switch avec les unités SuperStack II Hub, l'unité Switch 1100 doit être installée en dessous des unités Hub plus étroites. L’unité ne devrait pas etre branchee a une prise de courant C.A.
  • Page 39 que si l'équipement auquel il est raccordé fonctionne dans les mêmes conditions. France et Pérou uniquement: Ce groupe ne peut pas être alimenté par un dispositif à impédance à la terre. Si vos alimentations sont du type impédance à la terre, ce groupe doit être alimenté...

  • Page 40: Wichtige Sicherheitsinformationen

    Die Installation und der Ausbau des Geräts darf nur durch Fachpersonal erfolgen. Wenn die Switch 1100 Einheit in einer Stapel mit anderen SuperStack II Hub Einheiten eingebaut werden soll, muß die Switch 1100 Einheit unter die schmaleren Hub Einheiten eingebaut werden.

  • Page 41: Pin - Outs

    Null Modem Cable 9-pin to RS-232 25-pin PC-AT Serial Cable 9-pin to 9-pin OUTS...

  • Page 42: Modem Cable

    B: P PPENDIX OUTS Modem Cable 9-pin to RS-232 25-pin RJ45 Pin Pin assignments are identical for 10BASE-T and 100BASE-TX RJ45 Assignments connectors Table 6 Pin assignments Pin Number Ports configured as MDI Ports configured as MDIX Signal Function TxData + Transmit data TxData –...

  • Page 43: Specifications

    Physical Dimensions Environmental Requirements Operating Temperature Storage Temperature Operating Humidity Standards Safety Agency Certifications Emissions Immunity Heat Dissipation Power Supply AC Line Frequency Input Voltage Options Current Rating ECHNICAL PECIFICATIONS Height: 76mm (3.0 in.) x Width: 483mm (19.0 in.) x Depth 300mm (12.0 in.) Weight: 4.4kg (9.7lbs) 0°...

  • Page 44: Technical Specifications

    Bridge MIB (RFC 1493) Repeater MIB (RFC 1516) VLAN MIB (RFC 1573) RMON MIB (RFC 1271) BOOTP (RFC 951) For information on Year 2000 Compliance and 3Com products, visit the 3Com Year 2000 Web page: http://www.3com.com/products/yr2000.html Terminal Emulation Telnet (RFC 854)

  • Page 45: Technical Support

    3Com FTP Site Download drivers, patches, and software across the Internet from the 3Com public FTP site. This service is available 24 hours a day, 7 days a week. ECHNICAL UPPORT...

  • Page 46: 3Com Bulletin Board Service

    U.K. U.S.A. Access by Digital Modem ISDN users can dial in to the 3Com BBS using a digital modem for fast access up to 56 Kbps. To access the 3Com BBS using ISDN, use the following number: 1 408 654 2703 ftp.3com.com...

  • Page 47: 3Comfacts Automated Fax Service

    3Com. Support from 3Com If you are unable to obtain assistance from the 3Com online technical resources or from your network supplier, 3Com offers technical telephone support services. To find out more about your support options, please call the 3Com technical telephone support phone number at the location nearest you.
  • Page 48 Italy 1678 79489 Latin America Argentina 541 312 3266 Brazil 55 11 523 2725, ext. 422 North America 1 800 NET 3Com (1 800 638 3266) Country Telephone Number New Zealand 0800 446 398 Singapore 800 6161 463 S. Korea From anywhere in S.

  • Page 49: Returning Products For Repair

    Returning Products Before you send a product directly to 3Com for repair, you must first for Repair obtain a Return Materials Authorization (RMA) number. Products sent to 3Com without RMA numbers will be returned to the sender unopened, at the sender’s expense.
  • Page 50 D: T PPENDIX ECHNICAL UPPORT...
  • Page 51 LOSSARY 10BASE-T The IEEE specification for 10Mbps Ethernet over Category 3, 4 or 5 twisted pair cable. 100BASE-FX The IEEE specification for 100Mbps Fast Ethernet over fiber-optic cable. 100BASE-TX The IEEE specification for 100Mbps Fast Ethernet over Category 5 twisted-pair cable. auto-negotiation A feature on twisted pair ports that allows them to advertise their capabilities for speed, duplex and flow control.
  • Page 52 A congestion control mechanism. Congestion is caused by devices sending traffic to already overloaded port on a Switch. Flow control prevents packet loss and and inhibits devices from generating more traffic until the period of congestion ends.
  • Page 53 A device that regenerates LAN traffic so that the transmission distance of that signal can be extended. Hubs are similar to repeaters, in that they connect LANs of the same type; however they connect more LANs than a repeater and are generally more sophisticated. IEEE Institute of Electrical and Electronics Engineers.
  • Page 54 Network Interface Card. A circuit board installed in an endstation that allows it to be connected to a network. POST Power On Self Test. An internal test that a Switch carries out when it is powered-up. protocol A set of rules for communication between devices on a network. The rules dictate format, timing, sequencing and error control.
  • Page 55 LANs than a bridge and are generally more sophisticated. Switch Database A database that is stored by a switch to determine if a packet should be forwarded, and which port should forward the packet if it is to be forwarded.
  • Page 56 LOSSARY...
  • Page 57 NDEX Numbers 10BASE-T ports 13 10BASE-T/100BASE-TX ports 13 3C number 15 3Com bulletin board service (3Com BBS) 46 3Com URL 45 3ComFacts 47 auto-negotiating ports 13 bulletin board service 46 cable choosing the correct 31 Matrix 16 maximum length 13, 21...
  • Page 58 13 console 15 matrix 16 power socket 15 powering-up a Switch 1100 30 product name 15 rack mounting a Switch 1100 24 Redundant Power System. See RPS returning products for repair 49 RPS 15 connecting 30 socket 15 safety information...
  • Page 59 January 1, 2000, and Customer notifies 3Com before the later of April 1, 2000, or ninety (90)
  • Page 60 (48) hours of installation but no later than thirty (30) days after the date of purchase, and this is verified by 3Com, it will be considered dead- or defective-on-arrival (DOA) and a replacement shall be provided by advance replacement. The replacement product will normally be shipped not later than three (3) business days after 3Com’s verification of the DOA...
  • Page 61 EMC S TATEMENTS FCC S TATEMENT CSA S TATEMENT VCCI S TATEMENT BCIQ S TATEMENT NFORMATION This equipment has 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 when the equipment is operated in a commercial environment.

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Superstack ii 1100 3c16950Superstack ii 1100 3c16951

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