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SuperStack II Switch 3900 Getting Started Guide

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1. LI 1000 Base SX Console S DB 9 connector Serial cable Console Port Pin Assignments Table 5 shows the DB 9 pin assignments for the Console port Table 5 Console Port DB 9 Pin Assignments Pin No 1 O 0 N WD MN A W N Signal DCD RDA TD DTR GND DSR RTS CTS Description Data Carrier Detect Received Data Transmitted Data Data Terminal Ready Signal Ground Data Set Ready Request To Send Clear To Send Not used SYSTEM POWER UP This chapter describes m Power Options for the SuperStack Il Switch 3900 system m Power Up instructions the Switch 3900 system m Power up Diagnostics m System Checks after power up For information on troubleshooting the system during power up see Chapter 6 Power Options pb You have three options for how to power up your Switch 3900 system Place the system near a power receptacle You can power down the system only by removing the power cord from the power source AC Power Cord You can connect the system directly to a wall receptacle with the AC power cord that is shipped with the system See Power Up for details Optional Advanced Redundant Power System AN To protect against internal power supply failures you can connect a 3Com Advanced Redundant Power System Type 2 RPS to the Switch 3900 system The RPS connector is located on the rear panel CAUTION Connect only a 3Co
2. Back Panel of Both Models 16 System Features and Benefits 17 System Management 17 Optional Gigabit Ethernet Modules 18 Network Configuration Example 18 Providing Dedicated Links for Fast Ethernet 18 4 SYSTEM POWER UP Network Configuration Sample 19 Power Options 33 AC Power Cord 33 2 INSTALLING THE SYSTEM Optional Advanced Redundant Power System 33 Before You Begin 21 Optional Uninterruptible Power System 33 Power Up 34 To Power the Switch 3900 with the RPS To Power the Switch 3900 from the Wall Receptacle Power up Diagnostics 34 System Diagnostics 35 Power LED Activity 35 Fault LED Activity 35 Ethernet Port Diagnostics 35 Packet LED Activity 35 Status LED Activity 35 System and Port Status LEDs 36 System Checks 37 Next Step Software Configuration 37 QUICK SETUP FOR MANAGEMENT ACCESS About Switch 3900 System Management How Do You Want to Manage the System Terminal Connection 40 Modem Connection 40 IP Management Interface 40 Initial Management Access 40 Setting the Console Port Baud 41 Configuring the IP Interface 41 TROUBLESHOOTING THE SYSTEM Getting Additional Help 43 Diagnosing Problems 43 Power Failures 43 Abnormal LED Activity 43 34 39 39 Cleaning Dirty Fiber Optic Ports and Connectors 46 34 SYSTEM SPECIFICATIONS SITE REQUIREMENTS AND SAFETY CODES General Safety Requirements 49 Wiring Closet Recommendations 49 Distribution Rack Requirements 50 Protective Grounding for the Rac
3. 9300 All of the new features system issues known problems and software corrections for the software release It also describes any changes to the Switch 3900 system documentation Quick Installation Guide for the SuperStack Il Switch 3900 and 9300 How to perform a quick installation of your system For more details on installation see Chapter 2 of this guide SuperStack Il Switch 3900 Getting Started Guide All the procedures necessary for getting your system up and running including information on installing cabling powering up configuring and troubleshooting the system SuperStack Il Switch 3900 and 9300 Administration Console Command Quick Reference booklet A quick reference guide to all of the Administration Console switching commands for the Switch 3900 For complete descriptions see the Command Reference Guide on the Documentation CD Web Management User Guide for the SuperStack Il Switch 3900 and 9300 How to use the Web Management suite of applications for the systems 10 ABOUT THIS GUIDE These documents are shipped with optional devices Documents and Help on CD ROM m OOOBASE SX 1000BASE LX Gigabit Ethernet The compact disc that comes with your system Module Installation Guide contains online versions of the paper guides that are How to install the optional Gigabit Ethernet se Wit your system as Wel as these NEW modules m SuperStack Il Switch Advanced RPS User Guide a Command Reference Guide A
4. A AC components Redundant Power System 33 Uninterruptible Power System 33 Administration Console accessing 40 configuring IP addresses 41 Advanced Redundant Power System RPS 33 air conditioning requirements for system 50 audience 7 baud setting changing 41 brackets mounting 23 building codes BOCA Basic Building Code 52 ICBO International Conference of Building Officials 52 SBC Standard Building Code 52 Uniform Building Code 52 bulletin board service 56 C cabling 10 100BASE TX RJ 45 ports 28 1000BASE SC ports 31 1000BASE SX SC ports 30 Console port 31 Ethernet ports 28 to 29 modem 31 overview 27 serial port 31 cabling system plans 51 cautions in text defined 8 CD ROM documentation 10 Console port baud setting 40 cabling 31 default settings 40 pin assignments 32 terminal 39 conventions in text defined 8 cooling the system 50 D DB 9 connector pin assignments 31 diagnostic signs 43 to 45 distribution rack preparing for system installation 23 requirements 50 universal mounting hole pattern 24 documentation comments 11 for the Switch 3900 system 9 documents on CD ROM 10 E EIA electrical code standard equipment rack 51 standards 53 electrical codes EIA Electronics Industry Association 53 NEC National Electrical Code 53 NEMA National Electrical Manufacturing Association 53 Underwriters Laboratory UL Listing 53 environmental specifications and requirements 50 requirem
5. Configuration Your Switch 3900 system is shipped from the factory with the software installed and IEEE 802 1d bridging disabled To configure your system for your particular networking environment including customized filtering and setting up SNMP you must Tirst establish management access See Chapter 5 38 CHAPTER 4 SYSTEM POWER UP 5 QUICK SETUP FOR MANAGEMENT ACCESS This chapter provides easy instructions for configuring the SuperStack Il Switch 3900 system for management access After you decide how you want to manage your system follow the configuration instructions for your preferred type of management access About Switch 3900 System Management To configure and manage your Switch 3900 system you can use one of several applications m Switch 3900 Administration Console m Other SNMP based network management applications The Switch 3900 Administration Console is the character oriented menu driven user interface for administering the system You can access the Administration Console in band using the network ports through the IP network protocol For more detailed information see the Command Reference Guide and the Implementation Guide For more complete network management access the system with an external SNMP based management application such as 3Com s Transcend Network Control Services for UNIX or Windows or another network management application How Do You Want to Manage the System You can ma
6. Recommended Rack Styles Building and Electrical Codes Follow all appropriate building codes and authorities on electrical codes when planning your site and installing your cable for the Switch 3900 system nu Specific building and electrical codes vary depending on your location The following lists are provided as resources to help you to find additional information U S Building Codes o I Major building codes m Uniform Building Code International Conference of Building Officials ICBO Headquarters 5360 Workman Mill Road Whittier CA 90601 2298 USA www icbo org m BOCA Basic Building Code Building Officials and Code Administrators BOCA International Inc Headquarters 4051 West Flossmoor Road Country Club Hills IL 60478 USA www bocai org m Standard Building Code SBC Southern Building Code Congress International Inc 900 Montclair Road Birmingham AL 35213 1206 USA www sbcci org Building and Electrical Codes 53 U S Electrical Codes m National Electrical Manufacturers Association NEMA An organization of electrical product oe manufacturers Members develop consensus m National Electrical Code NEC Classification standards for cables wiring and electrical A recognized authority on safe electrical wiring components U S Federal state and local governments use NEC st
7. SUPER _ STACK green enabled link OK flashing green disabled link OK off link fail Power Fault Pckt Stat Pckt Fault Solid or Blinking Yellow System failed at power up com Stat Pckt Stat Ethernet Port Packet LEDs Yellow Port is passing data Flashing Yellow Port is passing data OFF No data System Checks After the system has successfully completed the power up diagnostics check the items in Table 6 to verify that the system is operating correctly If you discover abnormal conditions see Chapter 6 Table 6 System Power Up Checklist Check Power up error messages Normal LED activity Description If there is a problem during power up the messages are displayed in the Administration Console connection through the Console port When the power up diagnostics are running the LEDs light in a certain pattern as described in the Power up Diagnostics section earlier in this chapter After you properly cable the system and the system successfully completes the power up diagnostics look for the following normal LED activity System Power LED Green Fault LED Not lit Each port Pckt status LED Yellow Stat status LED Green If an LED does not light or shows a color different trom the one indicated here see Chapter 6 for information about the cause of the problem System Checks 37 Next Step Software
8. appears Troubleshooting hardware and Diagnosing Problems on displays onthescreen software problems page 43 Commands The word command means that you must enter the command exactly as shown and then Complying with environmental Appendix A System Specifications press Return or Enter Commands appear in bold and compliance specifications Example Checking your site for Appendix B Site Requirements To update the system software enter the environmental and safety and Safety Codes following command considerations system softwareUpdate Getting help from your network Appendix C Technical Support This guide always gives the full form of a supplier or 3Com command in uppercase and lowercase letters However you can abbreviate commands by o ani products to i ia Products for Repair entering the fewest letters in each command that PIRE pet SR identify a unique command Commands are not case sensitive The words enter When you see the word enter in this guide Conventions and type you must type something and then press Return Table 1 and Table 2 list conventions that are used or Enter Do not press Return or Enter when an throughout this guide instruction simply says type Keyboard key If you must press two or more keys Table 1 Notice Icons names simultaneously the key names are linked with a plus sign Example Icon Type Description PNE o NR cnc NNNM Press Ctrl Alt Del Information Informat
9. complete multiplatform reference of all Administration Console commands for this system and several others How to install the Advanced Redundant Power System Type 2 RPS and how to use it to provide redundant and resilient power supplies for the Switch 3900 m SuperStack Il Switch 3900 and Switch 9300 m SuperStack Il Switch Advanced RPS Y Cable Implementation Guide Type 2 User Guide Information and examples about how to use the How to install the Y cable with the Advanced features of these systems Redundant Power Supply RPS to provide fully redundant capabilities Related Publications Depending on how you install and manage your system several related documents can provide helpful information m SNMP Network Manager documents The Switch 3900 uses SNMP Simple Network Management Protocol which can be accessed by a remote network management application 3Com has network management applications for a variety of platforms Contact your network supplier for current product information Each network management application includes a guide that explains how to manage your system If you are using network management software from another vendor refer to the sections of the product s documentation that describe how to manage SNMP devices m SNMP documents 3Com recommends these books for easy to read descriptions of SNMP a Marshall T Rose The Simple Book An Introduction to Networking Management Englewood Cliff
10. configuration and identification of equipment problems Please refer to the Technical Support appendix in the Getting Started Guide for telephone numbers Response to requests for telephone technical support will be in the form of a return call from a 3Com representative by close of business the following business day To qualify for this ninety 90 days of telephone technical support Customer must register on the 3Com Web site at http support 3Com com index htm and provide the date of purchase product number and serial number 3Com reserves the right to modify or cancel this offering at any time without advance notice This offering is not available where prohibited or restricted by law 3Com s Web and Bulletin Board Services provide 3Knowledgebase bug tracking documentation release notes and some software maintenance releases at no charge WARRANTIES EXCLUSIVE IIF 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 ALL OTHER WARRANTIES TERMS OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE INCLUDING WARRANTIES TERMS OR CONDITIONS OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE SATISFACTORY QUALITY CORRESPONDENCE WITH DESCRIPTION AN
11. m No Light The system has no power no diagnostics are running Fault LED Activity m No Light System diagnostics have been successfully completed and the system is operational m Solid or Blinking Yellow The system has failed diagnostics or some other operational error has occurred See Chapter 6 for troubleshooting information Power up Diagnostics 35 Ethernet Port Diagnostics This section summarizes the information displayed by the port LEDs Packet LED Activity m No Light Data is not passing through the port m Blinking Yellow Data is passing through the port m Yellow Data is passing through the port Status LED Activity m NoLight The port is off line m Blinking Green The port is online but disabled m Green The port is online and enabled See Chapter 6 for troubleshooting information 36 CHAPTER 4 SYSTEM POWER UP System and Port Status LEDs Figure 14 System and Port Status LEDs on the SuperStack II Switch 3900 Power Green System powered on Status 30x DO0 00000000 OC 10 11 12 20 6 OG 19 0 d ai 19 q 9 O 20 21 29 Z9 99 Gi 62 09 G4 65 Gb 29 Q9 990 Gi 62 89 G2 G5 Ob 2 1 13 14 15 13 14 15 25 26 27 25 26 27 22 23 24 22 23 24 Ethernet Port Status LEDs Green Associated port is active Flashing Green Port active but disabled OFF Port disabled
12. part for ninety 90 days from shipment or the remainder of the initial warranty period whichever is longer SOFTWARE 3Com warrants to Customer that each software program licensed from it will perform in substantial conformance to Its program specifications 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 3Com s sole obligation under this express warranty shall be at 3Com s option and expense to refund the purchase price paid by Customer for any defective software product or to replace any defective media with software which substantially conforms to applicable 3Com 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 meet Customer s requirements or 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 corrected 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 noncompatibility is caused by a bug or defect in the thir
13. pattern on the mounting rails Mounting the System into a Distribution Rack To mount the system into a distribution rack 1 Carefully lift the system into place and align the appropriate holes in the mounting brackets with the designated holes in the distribution rack See Figure 9 Figure 9 Aligning Bracket and Distribution Rack Holes Switch 3900 Position 1 Hole 1 Hole 3 3U 5 25 Hole 6 Hole 8 Switch 3900 Position 2 2 Have another person hold the system in place Insert the four suitable mounting screws not provided into the designated mounting holes on the bracket Repeat for the other side Installing the System in a Distribution Rack 3 Verify that the system is level 4 Tighten the mounting screws The system is now installed in the distribut ion rack Figure 10 shows two Switch 3900 systems installed in a distribution rack Figure 10 Two Systems Installed in a Rack pu he O o So O OOO CO S OO 0 SO O 00 0 06 6 00 CO 6 OO DS d EE TER So 9 So 0000 000 00 0 ooo OGD 006 co o 600 co 0 00 0 CORREIA 99 0 600 00 0 60090006000 000 000 000 00 O You are now ready to cable the system For cabling instructions see Chapter 3 CHAPTER 2 INSTALLING THE SYSTEM b This chapter describes how to cable your SuperStack II Switch 3900 system for connection to the network It gives an overview of mod
14. product may cause radio interference in which case you may be required to take adequate measures LOW VOLTAGE DIRECTIVE COMPLIANCE This equipment was tested and found to conform to the Council Directive 72 23 EEC for safety of electrical equipment Conformity with this Directive is based upon compliance with the following harmonized standard EN 60950 Safety of Information Technology Equipment UK GENERAL APPROVAL STATEMENT This equipment is manufactured to the international Safety Standard EN60950 and is approved in the UK under the General Approval Number NS G 12345 J 100003 for indirect connection to the public telecommunication network AUSTRALIAN EMC FRAMEWORKS COMPLIANCE This product conforms to the EMC Frameworks and meets the Class A limits of AS3548 TRADEMARKS Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com the 3Com logo SuperStack and Transcend are registered trademarks of 3Com Corporation 3Com Facts is a service mark of 3Com Corporation Apple AppleTalk and Macintosh are trademarks of Apple Computer Inc Ultrajet is a trademark of Chemtronics HP and OpenView are registered trademarks of Hewlett Packard Co IBM and NetView AIX are registered trademarks of International Business Machines Corporation MS DOS and Windows are registered trademarks of Microsoft Corporation SunNet Manager SunOS and OpenWindows are
15. provides full support for VLANs and RMON Version 1 as well as a roving analysis port through SNMP management System Management Switch 3900 systems include integrated management to provide fault tolerance and maximum network availability This management is accessible in these ways m Switch 3900 Administration Console m Standard network management applications based on SNMP such as 3Com s Transcend Network Control Services Sun s SunNet Manager HP OpenView and IBM s NetView AIX applications 18 CHAPTER 1 SYSTEM AND SETUP OVERVIEW Optional Gigabit Ethernet Modules Network Configuration Example The Switch 3900 back panel has two expansion slots that can hold optional Gigabit Ethernet modules These modules are available in the following configurations 1000BASE SX Module Multimode fiber with paired SC connectors 1000BASE LX Module a Single mode fiber with paired SC connectors Multimode fiber with paired SC connectors For distances see Chapter 3 For details on installing and using the optional Gigabit Ethernet modules see the 7000BASE SX 1000BASE LX Gigabit Ethernet Module Installation Guide that is on the Documentation CD and shipped with each module This section describes one way to place the Switch 3900 in your network to alleviate traffic congestion Providing Dedicated Links for Fast Ethernet The rapid deployment of Fast Ethernet has increased bandwidth demand many times over not
16. shows the cabling of a 10 100BASE TX RJ 45 port Figure 11 Cabling a 10 100BASE TX RJ 45 Port 10 100 BASE TX x 6x 13x 18x 7x 12x 19x 24x Port 7 Male RJ 45 connector 10 100BASE TX cable Fast Ethernet Ports 10 100BASE TX RJ 45 Connector Pin Assignments Table 4 provides the pin assignments for the RJ 45 connectors Table 4 10 100 BASE TX RJ 45 Pin Assignments Pin No 1 CON DW ui KR U N Signal RX RX TX TX Description Receive Receive Transmit Not used Not used Transmit Not used Not used 30 CHAPTER 3 CABLING SWITCH 3900 PORTS Recommended Distances for Gigabit Ethernet Ports The back panel of the Switch 3900 has one fixed Gigabit Ethernet port and slots for two optional Gigabit Ethernet modules Guidelines for Gigabit Ethernet Cabling For all Gigabit Ethernet cabling keep the ports and connectors free of dust See Cleaning Dirty Fiber Optic Ports and Connectors on page 46 for details Recommended Distances for 1000BASE SX Ports or Transceivers When you cable SC connectors to 1000BASE SX ports or transceivers verify that the length of the fiber cable trom the system to any attached device does not exceed these recommended distances m Use 62 5 micron MMF fiber with a modal bandwidth specification of 160 MHz km for distances of up to 220 meters 722 feet m Use 62 5 micron MMF fiber with a modal bandwidth specification of 200 MHz km
17. times when they are not in use WARNING Follow all safety precautions in Chapter 3 when you work with fiber optic components To clean a fiber optic lens take these steps Remove any accumulated dust or debris from the port or connector by blowing across all surfaces with a canned air duster Compressed gas is recommended such as Chemtronics Ultrajet or the Triangle Tool Group s Liqui Tool Dust A Way Do not use commercial compressed air or house air because of the risk of oil contamination Reconnect the cable to the port to check whether dusting has corrected the problem Gently wipe the ports with a lint free nonabrasive nonadhesive swab Microswabs by Texwipe are recommended Gently wipe the connectors with a lint free nonabrasive wipe or pad Texwipe pads are recommended Avoid touching any surface after you clean the connectors SYSTEM SPECIFICATIONS Table 11 System Specifications for the SuperStack Il Switch 3900 Stackable Switch Specifications Physical Dimensions Environmental Requirements Operating Temperature Operating Humidity Storage Temperature Storage Humidity Safety Agency Certifications Designed to Comply with Electromagnetic Emissions Agency Certification Heat Dissipation Power Supply Receptacles AC Line Frequency Input Voltage Options Current Rating 6 5 cm H x 44 cm W x 30 5 cm D 2 59 in H x 17 32 in W x 12 00 in D Weight 4 1 kg 12 lbs O to 50
18. to Take 1 Check the Administration Console display 2 Contact your network supplier or 3Com Technical Support 1 Shut down the system by removing the power plug 2 Contact your network supplier or 3Com Technical Support Table 10 Troubleshooting Abnormal Port LED Activity LED Status Pckt LED does not light Stat LED does not light Possible Sources of the Problem Software error System does not recognize a connection to the port m Cable is not fully attached to the port m Port cable is faulty m Fiber optic ports or connectors are dirty Diagnosing Problems Steps to Take Check the Administration Console display 1 Verify that all cables are firmly inserted into both the system s affected port and the attached device 2 Test for faulty cables 3 Clean the fiber optic ports and connectors See next section When the problem is corrected the LED lights green If the LED still does not light contact your network supplier or 3Com Technical Support CHAPTER 6 TROUBLESHOOTING THE SYSTEM Cleaning Dirty Fiber Optic Ports and Connectors A Fiber optic transceivers are sensitive optical devices Handle them carefully If dirt collects on a fiber optic lens the associated LED may not light You may also notice degradation in port performance indicated by an increase in the Link Error Rate LER count on a port To prevent dust from collecting on the fiber optic lens keep the dust covers on the ports at all
19. transceiver fiber optic safety precautions 27 troubleshooting port LED activity 45 power failures 44 system checks 37 system LED activity 44 turning off the system 33 50 turning on the system 33 twisted pair AWG 28 impedance 28 maximum length 28 U Uniform Building Code 52 uninterruptible power system UPS 33 URL 55 URLs for industry organizations 52 V ventilation air conditioning 50 wiring closet 50 W warnings in text defined 8 wiring 27 wiring closet recommendations 49 World Wide Web WWW Y Year 2000 compliance 11 INDEX 92 799 99 64 INDEX 3Com Corporation LIMITED WARRANTY SuperStack Il Switch 3900 HARDWARE 3Com warrants to the end user Customer that this hardware product will be free from defects in workmanship and materials under normal use and service for one 1 year from the date of purchase from 3Com or its authorized reseller 3Com s sole obligation under this express warranty shall be at 3Com s option and expense to repair the defective product or part deliver to Customer an equivalent product or part to replace the defective item or if neither of the two foregoing options is reasonably available 3Com may in its sole discretion 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 be new or reconditioned 3Com warrants any replaced or repaired product or
20. 6954 4989 62732 188 1 408 727 7021 Support from Your Network Supplier If you require additional assistance contact your network supplier Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services including network planning installation hardware maintenance application training and support services When you contact your network supplier for assistance have the following information ready m Product model name part number and serial number m A list of system hardware and software including revision levels m Diagnostic error messages m Details about recent configuration changes if applicable If you are unable to contact your network supplier see the following section on how to contact 3Com Support from Your Network Supplier 57 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 call the 3Com technical telephone support phone number at the location nearest you When you contact 3Com for assistance have the following information ready m Product model name part number and serial number m A list of system hardware and software including revision levels m Diagnostic error messages m Details about recent configuration changes if applicable 58 APPENDIX C TECHNICAL SUPPORT Here i
21. C 32 to 122 F 10 to 90 relative humidity noncondensing 20 to 85 C 4 to 185 F 5 to 95 maximum relative humidity noncondensing UL 1950 CSA 22 2 No 950 TUV EN60950 UK General Approval Statement The SuperStack II Switch 3900 is manufactured to the international Safety Standard EN60950 and is approved in the UK under the General Approval Number NS G 12345 J 100003 for indirect connection to the public telecommunication network IEC 950 Meets FCC part 15 Subparagraph J Class A limits and CISPR Class A limits Complies with EMC Council Directive 89 336 EEC Class A limits 175 watts maximum 547 BTU hour maximum 15 ampere service receptacles tyoe N5 15 or NEMA 5 15R United States and Canada only 47 to 63 Hz 100 to 240 VAC 1 3 amperes at 120 volts 48 APPENDIX A SYSTEM SPECIFICATIONS Table 12 Standards Supported by the SuperStack Il Switch 3900 Standard Type SNMP Software Installation Terminal Emulation Protocols Used for Administration RFC Supported SNMP protocol RFC 1157 MIB Il RFC 1213 Ethernet MIB RFC 1284 Bridge MIB RFC 1286 tftp RFC 959 Telnet RFC 854 rlogin RFC 1282 UDP RFC 768 IP RFC 791 ICMP RFC 792 TCP RFC 793 ARP RFC 826 Table 13 LED Indicators on the SuperStack Il Switch 3900 LED System LEDs Port LEDs Type m Power m Fault m Stat m Pckt Description Green System is on Off System is receiving no power O
22. Com for repair whether under warranty or not Dead or Defective on Arrival In the event a product completely fails to function or exhibits a defect in materials or workmanship within the first forty eight 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 product but may be delayed due to export or import procedures The shipment of advance replacement products is subject to local legal requirements and may not be available in all locations When an advance replacement is provided and Customer fails to return the original product to 3Com within fifteen 15 days after shipment of the replacement 3Com will charge Customer for the replacement product at list price INCLUDED SERVICES Telephone Support This SuperStack9 product comes with telephone technical support for ninety 90 days The ninety 90 days period begins on the date of Customer s product purchase The telephone technical support is available from 3Com from 9 a m to 5 p m local time Monday through Friday excluding local holidays Telephone technical support is limited to the 3Com products designated above and may include assistance with installation product specific
23. D NONINFRINGEMENT ALL OF WHICH ARE EXPRESSLY DISCLAIMED 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 OR MALFUNCTION 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 OPEN REPAIR OR MODIFY THE PRODUCT OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING POWER CUTS OR OUTAGES OTHER HAZARDS OR ACTS OF GOD 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 PUNITIVE 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 PRICE PAID AT 3COM S OPTION THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVID
24. ED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE DISCLAIMER 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 When the implied warranties are not allowed to be excluded in their entirety they will be limited to the duration of the applicable written warranty This warranty gives you specific legal rights which may vary depending on local law GOVERNING LAW This Limited Warranty shall be governed by the laws of the State of California U S A excluding its conflicts of laws principles and excluding the United Nations Convention on Contracts for the International Sale of Goods 3Com Corporation 5400 Bayfront Plaza P O Box 58145 Santa Clara CA 95052 8145 408 326 5000
25. L Into your Internet browser time of publication For the most recent information http www 3com com 3Com recommends that you access the 3Com Corporation World Wide Web site This service provides access to online support information such as technical documentation and software library as well as support options that range Online Technical Services from technical education to maintenance and 3Com offers worldwide product support 24 hours professional services a day 7 days a week through the following online systems 3Com Knowledgebase Web Services m World Wide Web site This interactive tool contains technical product a 3Com Knowledgebase Web Services information compiled by 3Com expert technical engineers around the globe Located on the World m 3Com FIP site Wide Web at http knowledgebase 3com com this m 3Com Bulletin Board Service 3Com BBS service gives all 3Com customers and partners complementary round the clock access to technical m 3Com Facts Automated Fax Service information on most 3Com products APPENDIX C TECHNICAL SUPPORT 3Com FIP Site p Download drivers patches software and MIBs across the Internet from the 3Com public FTP site This service is available 24 hours a day 7 days a week To connect to the 3Com FTP site enter the following information into your FTP client m Hostname ftp 3com com m Username anonymous m Password your Internet e mail address You do not need a use
26. RJ 45 connectors This section contains information on cabling the 10 100BASE TX RJ 45 ports and pin assignments for the RJ 45 connectors Cabling 10 100BASE TX RJ 45 Ports The Ethernet ports are shielded RJ 45 data sockets You can connect shielded or unshielded data cables with shielded or unshielded jacks to these data sockets The Ethernet ports are numbered from 1X to 24X or 1X to 36X depending on your system They are configured as MDI X for direct connection to a workstation or other data terminal equipment DTE using straight through twisted pair wiring To connect a Switch 3900 system to a 10 100BASE TX repeater or switch use a crossover cable or set the port on the connected device to MDI and use a straight through cable 10 100BASE TX connectors m Use two twisted pair wires for each link m Use twisted pair wire that is 22 26 AWG 0 5 millimeter in diameter m Use twisted pair wire with an impedance of between 85 and 115 Ohms m Verify that the length of the twisted pair link from the system to any potential workstation location is 100 meters 328 feet or less To cable a 10 100BASE TX RJ 45 port Remove the dust cover and save it for future use Plug the male RJ 45 connector on the 10 100BASE TX cable into the selected port until it clicks into place Attach the other end of the cable to an MDI port on a workstation repeater or concentrator Repeat steps 2 and 3 for the remaining ports Figure 11
27. TX RJ 45 connectors 29 Console port 32 ports fiber optic safety 27 power cord 33 cord troubleshooting 44 down 50 options 33 Up 33 wiring 50 Power LED 35 troubleshooting 44 power system malfunction 44 redundant 33 specifications 47 uninterruptible 33 power up and staging the system 34 and system cabling 34 diagnostics 34 LED activity 34 protective grounding wiring closet 50 protocols supported 48 R rack open style 51 preparing 23 requirements 50 universal mounting hole pattern 24 redundant power system connecting 33 release notes 7 returning products for repair 59 RJ 45 ports 28 S safety requirements and standards 49 working with fiber optic cables and LEDs 27 SBC Standard Building Code 52 SC connectors 30 serial line and management access 39 serial port cabling 31 single mode fiber satety 27 site planning environmental and safety requirements 49 rack requirements 50 wiring closet considerations 49 SNMP agent 39 and Switch 3900 management 39 standards supported 48 software release notes 7 stacking systems 21 subnet mask 41 Switch 3900 cabling 27 cooling 50 description 13 installing 21 management 39 power options 33 turning off 33 turning on 33 34 Switch 3900 documentation 9 system checks 37 system cooling 50 T table top installation 22 technical support 3Com URL 55 bulletin board service 56 fax service 56 network suppliers 57 product repair 59 temperature specifications 47
28. The cabling system plan at your facility probably covers most wiring closet concerns 3Com also recommends that you check these items Verify that your wiring closet meets all of the requirements in your facility cabling plan Verify that your wiring closet and your facility meet all state local and country building and wiring codes Be sure that your system is easily accessible for installation and service Provide adequate overhead lighting for easy maintenance Be sure that all wiring closet doors have locks to prevent unauthorized access Assign wiring closet identification numbers using architectural location codes or some type of floor grid matrix Select a vinyl floor covering for your wiring closet Concrete floors accumulate dust carpets can cause static electricity Be sure that the wiring closet floor is flat and level If you are using distribution racks and the floor is not level bolt the racks to the floor to prevent them from tipping over APPENDIX B SITE REQUIREMENTS AND SAFETY CODES Be sure that each wiring closet has a suitable ground Ground all metal racks enclosures boxes and raceways in the closet Use AC power 15 ampere service receptacles type N5 15 or NEMA 5 15R for 120 VAC and the other system specifications shown in Appendix A Be especially sure to meet all system environmental requirements in Appendix A such as ambient temperature and humidity Be sure that the ventilation in
29. andards to establish their own laws ordinances and codes on wiring specifications The NEC Classification is published by Authorities on electrical codes NEMA 1300 North 17th Street Suite 1847 Rosslyn VA 22209 USA www nema org National Fire Protection Association NFPA s 1 Batterymarch Park m Electronic Industries Association EIA A trade PO Box 9101 association that develops technical standards Quincy MA 02269 9109 USA disseminates marketing data and maintains contact with government agencies in matters relating to electronics and related industries EIA 2500 Wilson Boulevard Arlington VA 22201 3834 USA www ela org www ntpa org m Underwriters Laboratories UL Listing An independent research and testing laboratory UL evaluates the performance and capability of electrical wiring and equipment to determine whether they meet certain safety standards when properly used Acceptance Is usually indicated by the words UL Approved or UL Listed UL 333 Pfingsten Road Northbrook IL 60062 2096 USA www ul com 54 APPENDIX B SITE REQUIREMENTS AND SAFETY CODES TECHNICAL SUPPORT 3Com provides easy access to technical support World Wide Web Site information through a variety of services This To access the latest networking information on the appendix describes these services 3Com Corporation World Wide Web site enter Information contained in this appendix is correct at this UR
30. ations but it does not assume prior knowledge of the Switch 3900 system Finding Specific Information in This Guide This table shows where to find specific information For information on Best ways to use the Switch 3900 system The front and back panels Site requirements and other issues to consider before you install your Switch 3900 system Installing the system on a table or in a distribution rack Cabling rules and pin assignments m Fast Ethernet ports m Gigabit Ethernet ports m Console port Checking system power up diagnostics and LEDs Deciding how to manage your system Setting the Console port baud Turn to System Features and Benefits on page 17 System Overview 24 Port Front Panel starting on page 14 General Safety Requirements on page 49 Installing the System on a Table Top or in a Free Standing Stack starting on page 22 and Installing the System in a Distribution Rack on page 23 Fast Ethernet Ports on page 28 Gigabit Ethernet Ports on page 30 Cabling the Console Port on page 31 and Console Port Pin Assignments on page 32 Power Up on page 34 How Do You Want to Manage the System on page 39 Setting the Console Port Baud on page 41 For information on Turn to Table 2 Text Conventions Configuring the IP management Configuring the IP Interface on Convention Description interac pede Screen This typeface represents information as It
31. ce the system on top of another Be sure that the rubber feet of the upper unit fit securely in the recesses in the top of the lower unit See Figure 5 CAUTION Stack no more than eight SuperStack I systems in a single free standing stack You are now ready to cable your system For instructions see Chapter 3 Figure 5 Stacking the Switch 3900 Place the feet of one system into the mounting recesses of the system below it 10 100 BASE TX Status gm A 1x 6x 13x 18x 25x 3x 7x 12x 19x 24x Six 36x 1 1 43 13 25 26 27 25 26 27 2 Su i ris Installing the System in a Distribution Rack 23 Installing the System in a Distribution Rack Figure 6 Installing System Mounting Brackets You can mount the system into a 19 inch distribution rack This section describes how to prepare the system and distribution rack for installation and how Mounting screws to mount the system in the rack Install your distribution rack near an easily accessible power outlet You can power down the system only by removing the power cord from the power source Preparing the System and Rack To prepare the system and distribution rack for installing the Switch 3900 system 1 See Appendix B for distribution rack requirements Distribution rack 2 Attach the mounting brackets to the left and right mounting bracket Switch 3900 sides of the system using the M4 x 10 mounting bracket screws Se
32. com SuperStack Il Switch 3900 35 41 Getting Started Guide us http www 3com com Part No 100127 Published August 1999 3Com Corporation m 5400 Bayfront Plaza m Santa Clara California m 95052 8145 Copyright 1999 3Com Corporation All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any derivative work such as translation transformation or adaptation without written permission from 3Com Corporation 3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change 3Com Corporation provides this documentation without warranty term or condition of any kind either implied or expressed including but not limited to the implied warranties terms or conditions of merchantability satisfactory quality and fitness for a particular purpose 3Com may make improvements or changes in the product s and or the program s described in this documentation at any time If there is any software on removable media described in this documentation it is furnished under a license agreement included with the product as a separate document in the hardcopy documentation or on the removable media in a directory file named LICENSE TXT or LICENSE TXT If you are unable to locate a copy please contact 3Com and a copy will be pro
33. d party s product or from use of the software product not in accordance with 3Com s published specifications or user manual THIS 3COM PRODUCT MAY INCLUDE OR BE BUNDLED WITH THIRD PARTY SOFTWARE THE USE OF WHICH IS GOVERNED BY A SEPARATE END USER LICENSE AGREEMENT THIS 3COM WARRANTY DOES NOT APPLY TO SUCH THIRD PARTY SOFTWARE FOR THE APPLICABLE WARRANTY PLEASE REFER TO THE END USER LICENSE AGREEMENT GOVERNING THE USE OF SUCH SOFTWARE YEAR 2000 WARRANTY In addition to the Hardware Warranty and Software Warranty stated above 3Com warrants that each product sold or licensed to Customer on and after January 1 1998 that is date sensitive will continue performing properly with regard to such date data on and after January 1 2000 provided that all other products used by Customer in connection or combination with the 3Com product including hardware software and firmware accurately exchange date data with the 3Com product with the exception of those products identified at 3Com s Web site http www 3com com products yr2000 html as not meeting this standard If it appears that any product that is stated to meet this standard does not perform properly with regard to such date data on and after January 1 2000 and Customer notifies 3Com before the later of April 1 2000 or ninety 90 days after purchase of the product from 3Com or its authorized reseller 3Com shall at its option and expense provide a software update which would effect t
34. distribution rack read these sections Before You Begin the next section a Installing the System in a Distribution Rack on page 23 INSTALLING THE SYSTEM Before You Begin pb Before you begin this procedure be sure to m Move the Switch 3900 system close to where you plan to install it Install the system near an easily accessible power outlet You can power down the system only by removing the power cord from the power source m Have a No 1 Phillips screwdriver available m Have the system mounting kit available See Table 3 Table3 Switch 3900 System Mounting Kit Qty Item To use in 4 Rubber feet Stacking the system on a self adhesive table or in a stack 2 Mounting brackets Installing the system in a distribution rack 6 MA x 10 pan head Installing the distribution rack screws brackets CHAPTER 2 INSTALLING THE SYSTEM Installing the System on a Table Top or ina Free Standing Stack A W N Ul AN To install the Switch 3900 system on a table top or in a free standing stack follow these instructions See Appendix B for site requirements Turn the system on its side Remove the protective covering from the rubber feet Place one rubber foot in each marked area at the four corners of the unit Turn the system onto Its feet Verify that the air intake vents and fan exhaust vents at the sides of the system are not blocked To install the system into a free standing stack pla
35. e Figure 6 3 Locate the top of a universal mounting hole pattern on either mounting rail of the distribution rack In this pattern the spacing between holes is 1 inch inch inch and inch 24 CHAPTER 2 INSTALLING THE SYSTEM To find the top of the pattern locate the midpoint Figure 8 illustrates the positions of two Switch 3900s between any two holes that are spaced Y inch apart one attached to holes 1 and 3 and the other attached Figure 7 shows the universal mounting hole pattern to holes 6 and 8 Figure 7 Universal Mounting Hole Pattern To mount only one Switch 3900 use either position Figure 8 Placement of Switch 3900s in a Distribution Rack O Top of the pattern sa O Q Q or top of the rack N cs irs O O O O O O Universal iL 1 2 mounting 5 8 NOE ea ES hole pattern 1U O Placement of 1U 5 8 Switch 3900 O O 1 3 4 inches M 1 2 position 1 O E 9 L Hole 3 9 1U O S 5 5 8 SU pos ari 5 25 di O Hole 6 O 5 g Placement of E TE 1U O Switch 3900 5 8 position 2 o Hole 8 o HE 4 1 2 gt Q Q O O O Bottom of the pattern O si 9 LO LO O O 4 Determine which holes to use to mount your system Two Switch 3900s are designed to mount in any 3U 5 Repeat the process on the other rail space of the rack that is the space occupied by three i Be sure to select holes that are parallel to each other instances of the universal mounting hole
36. e external modem from the Administration Console menu system the Console The first time that you access your system you connect through the Console port using a terminal These are the default settings for this port 9600 baud 8 bits 1 stop bit no parity When you first access the Administration Console using the Console port you see this prompt Select access level read write administer At the prompt enter administer At the password prompt press Return The Administration Console top level menu appears Menu options SuperStack IL Switch 8C6AD7 appears to be directly connected to the external system Administer system level functions ethernet Administer Ethernet ports modem See the Command Reference Guide and the bride Administer bridging VLANs Implementation Guide for more information ip Administer IP snmp Administer SNMP analyzer Administer Roving Analysis script Run a script of console commands IP Management Interface logout Logout of the Administration Console An IP management interface is the connection between the Switch 3900 system and a subnetwork It allows you to manage the system through any of the Ethernet ports With an IP interface you can use the rlogin or telnet commands to access the Administration Console using TCP IP from a host computer to manage the system with an external management application or to manage the system with the Web Ma
37. e port on the back panel provides local or 2 Attach one male connector of the SC cable connector remote administration pair to the right side of one of the Gigabit Ethernet For Local Administration The Console port ports on the back panel provides a DB 9 connection to a local terminal or 3 Attach the remaining connector of the pair to the left workstation that runs a terminal emulation side of the same Gigabit Ethernet port program and acts as the Console 4 Tocable another Gigabit Ethernet port repeat steps 1 For Remote Administration The Console port through 3 provides a DB 9 connection for an external modem which you can use to connect your Figure 12 shows the Gigabit Ethernet cabling current Administration Console session to a modem Figure 12 Cabling the Fixed Gigabit Ethernet Port To cable the Console port 1 Attach the female DB 9 cable connector to the Console port s male connector and tighten the retaining screws 2 Attach the other end of the DB 9 cable to your terminal Figure 13 on page 32 shows the cabling of the Console port You can also access the system remotely through any Ethernet port using telnet See the mplementation Guide gt To use the Administration Console to configure the SC connector system for management access through the Console port see Chapter 5 Fiber cables 32 CHAPTER 3 CABLING SWITCH 3900 PORTS Figure 13 Cabling the Console Port
38. ents 47 Ethernet LEDs 36 45 Ethernet Pckt LED position 36 troubleshooting 45 Ethernet ports cabling 28 to 29 Ethernet Stat LED position 36 troubleshooting 45 F Fault LED 35 troubleshooting 44 fault tolerance 17 fax service 3Com Facts 56 feedback on documentation 11 fiber multimode 27 single mode 27 fiber optic cables cleaning 46 floor plan 49 62 INDEX Gigabit Ethernet cabling 30 modules 30 ports 30 H hardware mounting kit 21 humidity specifications 47 50 ICBO building code 52 IEC Standard 297 51 impedance twisted pair guidelines 28 installation distribution rack 23 free standing stack 22 table top 22 integrated management 17 interface parameters IP 41 IP address 41 and Switch 3900 management 39 quick configuration 41 L LEDs abnormal activity 43 fiber optic safety precautions 27 port status 36 45 system fault 35 44 system power 35 44 system status 35 44 troubleshooting 44 local management 39 M management access 1 7 39 management Switch 3900 IP 39 modem 39 terminal 39 modem 31 39 module Tiber optic safety 27 modules Gigabit Ethernet 30 mounting brackets 23 mounting hole pattern 23 mounting rails 51 multimode fiber safety precautions 27 N NEC electrical code 53 NEMA electrical code 53 network supplier support 57 NFPA National Fire Protection Association 53 notes in text defined 8 O online technical services 55 P pin assignments 10 100BASE
39. ff System is operational Solid or Blinking Yellow System failed diagnostics or some other operational failure has occurred Off Port is off line Blinking Green Port is online but disabled Green Port is online and enabled Off Port is off line Blinking Yellow Port is passing data Yellow Port is passing data You took careful steps to plan and prepare your site for new or additional SuperStack Il Switch 3900 stackable switch systems For your reference this appendix summarizes the criteria that your site should meet for the Switch 3900 to operate safely and effectively This appendix covers these topics m General Safety Requirements a Wiring Closet Recommendations m Distribution Rack Requirements if you mount one or more Switch 3900 systems in a distribution rack m Building and Electrical Codes General Safety Requirements For safe operation your site must meet these general safety requirements m All environmental requirements in Appendix A and in Wiring Closet Recommendations next Pay special attention to temperature and humidity m All building and electrical codes for your city and country See relevant Building and Electrical Codes later in this chapter for more information m All grounding requirements listed in Wiring Closet Recommendations and Distribution Rack Requirements SITE REQUIREMENTS AND SAFETY CODES Wiring Closet Recommendations
40. for distances of up to 275 meters 902 feet m Use 50 micron MMF fiber with a modal bandwidth specification of 400 MHz km for distances of up to 500 meters 1645 feet m Use 50 micron 500 Mhz km modal bandwidth MMF fiber for distances of up to 550 meters 1805 feet 1000BASE LX Transceivers When cabling SC connectors to 1000BASE LX transceivers be sure that the length of the fiber cable from the system to any attached device does not exceed these recommended distances m Use 62 5 micron MMF fiber with a modal bandwidth specification of 160 MHz km for distances of up to 550 meters 1805 feet m Use 62 5 micron MMF fiber with a modal bandwidth specification of 200 MHz km for distances of up to 550 meters 1805 feet m Use 50 micron MMF fiber with a modal bandwidth specification of 400 MHz km for distances of up to 550 meters 1805 feet m Use 50 micron MMF fiber with a modal bandwidth specification of 500 MHz km for distances of up to 550 meters 1805 feet m Use 9 micron SMF fiber for distances of up to 10 kilometers 6 2 miles The specification requires and specifies 5 kilometers 3 1 miles Use a conditioned launch cable to connect the 1000BASE LX transceiver to multimode fiber Using this cable ensures reliability over the maximum 550 meter distance Cabling the Console Port 31 To cable a Gigabit Ethernet SC port Cabling the Console Port 1 Remove the dust covers and save them for future use The Consol
41. gabit Ethernet Port LEDs Redundant Power System Provide information on the port status and activity Power Receptacle Console Port Allows you to connect a workstation or modem to the Switch 3900 system for management access System Features and Benefits 17 System Features and Benefits m Trunking links Spanning Tree and Advanced The Switch 3900 is part of 3Coms SuperStack family KEUN OAT ENEE EUROT To combine technologies as your network grows The Switch 3900 protects against cable and install the Switch 3900 in a SuperStack network equipment failures with Spanning Tree Protocol and trunking links The optional RPS protects Some key features of the Switch 3900 system against power interruptions for fault tolerant m High density Gigabit Ethernet and Fast Ethernet networks configurations The Switch 3900 has 24 or 36 Fast Ethernet ports on the front panel and up to three Gigabit Ethernet links on the back panel Autonegotiation support The Switch 3900 supports 10BASE T 100BASE TX and full duplex and half duplex autonegotiation on all front panel ports Multiple link trunking for Gigabit Ethernet and Fast Ethernet links You can choose the performance level of links between switches even scaling beyond one Gigabit m Resilient Links Resilient links protect your network against an individual link or device failure by providing a secondary backup link that is inactive until needed m Manageability The Switch 3900
42. he proper performance of such product repair such product deliver to Customer an equivalent product to replace such product or if none of the foregoing is feasible refund to Customer the purchase price paid for such product Any software update or replaced or repaired product will carry a Year 2000 Warranty for ninety 90 days after purchase or until April 1 2000 whichever is later OBTAINING WARRANTY SERVICE Customer must contact a 3Com Corporate Service Center or an Authorized 3Com Service Center within the applicable warranty period to obtain warranty service authorization Dated proof of purchase from 3Com or its authorized reseller may be required Products returned to 3Com s Corporate Service Center must be preauthorized by 3Com with a Return Material Authorization RMA number or User Service Order USO number marked on the outside of the package and sent prepaid and packaged appropriately for safe shipment and it is recommended that they be insured or sent by a method that provides for tracking of the package Responsibility for loss or damage does not transfer to 3Com until the returned item is received by 3Com The repaired or replaced item will be shipped to Customer at 3Com s expense not later than thirty 30 days after 3Com receives the defective product 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 3
43. ion that describes important oa legano Note features or instructions m Emphasize a point Caution Information that alerts you to potential loss of data or damage to an application system or device m Denote a new term at the place where it is defined in the text Warning Information that alerts you to potential personal injury gt PY SuperStack Il Switch 3900 Documentation The following documents comprise the SuperStack II Switch 3900 documentation set Documents are available in one of these forms m Paper documents The paper documents that are shipped with your system and components are listed in the next section m Online documentation The SuperStack Il Switch 3900 and 9300 Documentation CD contains online versions of the paper documents the multiplatform Command Reference Guide and the Implementation Guide To order a paper copy of a document that you see on the compact disc or to order additional compact discs contact your network supplier m Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format PDF or HTML on the 3Com Web site http www 3com com Paper Documents These documents are shipped with your system m Unpacking Instructions for the SuperStack Il Switch 3900 and 9300 How to unpack your system Also an inventory list of items that are shipped with your system Software Installation and Release Notes for the SuperStack Il Switch 3900 and
44. k 50 Space Requirements for the Rack 50 Mechanical Requirements for the Rack 51 Building and Electrical Codes 52 U S Building Codes 52 U S Electrical Codes 53 TECHNICAL SUPPORT Online Technical Services 55 World Wide Web Site 55 3Com Knowledgebase Web Services 55 3Com FIP Site 56 3Com Bulletin Board Service 56 Access by Analog Modem 56 Access by Digital Modem 56 3Com Facts Automated Fax Service 56 Support from Your Network Supplier 57 Support from 3Com 57 Returning Products for Repair 59 INDEX 3COM CORPORATION LIMITED WARRANTY ABOUT THIS GUIDE Introduction This guide provides all the information that you need to set up your SuperStack Il Switch 3900 system and get it operating in your network This guide provides an overview of your system and step by step procedures for planning your configuration installing your system cabling powering up configuring and troubleshooting When you are ready to configure your system see the Command Reference Guide and the Implementation Guide on the Documentation CD If the information in the Software Installation and Release Notes that are shipped with your Switch 3900 system differs from the information in this guide follow the instructions in the Release Notes This guide is intended for the system or network administrator who is responsible for installing and managing network hardware It assumes that you have a working knowledge of local area network LAN oper
45. l interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his or her own expense Canada Emissions Requirements This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada Japan VCCI Class A Compliance commu WHILE Qd EAMES VCCI D M ESS 22A ATTICI COKIBUEEIERUE CHEAT o CR HEEEL TLEAN ET omg eid m2 c3 SLIBKENSCLMS VET This is a Class A product based on the standard of the Voluntary Control Council for Interference by Information Technology Equipment VCCI If this equipment is used in a domestic environment radio disturbance may arise When such trouble occurs the user may be required to take corrective actions EMC DIRECTIVE COMPLIANCE This equipment was tested and found to conform to the Council Directive 89 336 EEC for electromagnetic compatibility Conformity with this Directive is based upon compliance with the following harmonized standards EN 55022 Limits and Methods of Measurement of Radio Interference EN 50082 1 Electromagnetic Compatibility Generic Immunity Standard Residential Commercial and Light Industry Warning This is a Class A product In a domestic environment this
46. m Advanced Redundant Power System Type 2 to this connector using the external Type 2 Y cable that is shipped with the RPS For details follow the installation instructions and safety precautions that are shipped with the redundant power system Optional Uninterruptible Power System To protect against external power interruption from brownouts blackouts surges and spikes connect an uninterruptible power system UPS to the Switch 3900 system Connect only a 3Com Uninterruptible Power System Use the appropriate UPS for your region m United States m European International m Japan To install the UPS follow the instructions and safety precautions that are shipped with the UPS CHAPTER 4 SYSTEM POWER UP Power Up p This section provides instructions on how to power up your system See Chapter 3 and Chapter 5 for information about cabling and configuring the Console port To view error messages while the system runs power up diagnostics connect a terminal a workstation or a PC with terminal emulation to the system s Console port To Power the Switch 3900 with the RPS N To install the Advanced Redundant Power System Type 2 RPS follow the installation instructions that are shipped with the RPS and its cable CAUTION To prevent damage to the system and the power supply first insert the AC power cord into the Switch 3900 before you insert it into the redundant power system To Power the Switch 3900 f
47. nage your system locally through a terminal connection or through the network with an IP connection Table 7 describes the access mechanisms Table 7 Management Access Mechanisms Access Mechanism Allows you to Using Terminal Connect directly to the Console port Administration Console and stay attached across system reboots Modem Connect remotely to the Console port Administration Console IP m Access the Administration One of the Ethernet Console with the rlogin or telnet commands ports assigned an IP address m Use an external SNMP management application to communicate with the Switch 3900 SNMP agent m Use your Internet browser to connect to the embedded Web Management suite of configuration forms These mechanisms are described more Tully in the next sections 40 CHAPTER 5 QUICK SETUP FOR MANAGEMENT ACCESS Terminal Connection Initial Management Access Direct access through the Console port is often preferred because it allows you to monitor the system during system boots A Macintosh or PC attachment can use any terminal emulation program for connecting to the Console port A workstation attachment under UNIX can use the emulator TIP For more details see the documentation that is shipped with your terminal emulation program Modem Connection You can manage the Administration Console using a modem by establishing a connection between your current Console session and the Console port When you configure th
48. nagement embedded software through an Internet browser Use this menu to change the Console port baud setting for the terminal or to configure your system for another management access mechanism Setting the Console Port Baud To change the baud setting of the Console port From the top level of the Administration Console at the Select menu option prompt enter system serialPort serialPortMode At the command prompt if the default value shown in brackets is modem enter console Otherwise press Return Enter baudRate At the prompt enter a baud setting of 9600 for the Console port The system supports these baud settings 19200 9600 4800 2400 and 1200 The system displays this message Enter new value 1200 19200 1200 9600 Error setting baud rate to 9600 Baud rate will change upon next connection Configuring the IP Interface 41 Configuring the IP Interface These instructions include information on how to define an IP interface through which you can manage your Switch 3900 system An IP interface contains the following parameters m IP address This address which is specific to your network is used to manage the system The IP address defines both the number of the network to which the interface Is attached and its host number on that network m Subnet mask This 32 bit number uses the same format as an IP address The subnet mask determines which bits in the IP address are interpreted as the
49. network number as the subnet number and as the host number Each IP address bit that corresponds to a 1 in the subnet mask is in the network and subnet part of the address Each IP address bit that corresponds to a O is in the host part of the IP address To set the IP interface parameters 1 Fromthe top level of the Administration Console enter ip interface define 2 Enter the IP address of the interface 3 Enter the subnetwork mask of the subnet to which the interface is to be connected 4 Enter the interface type as vlan For more detailed instructions on assigning interface parameters see the Command Reference Guide and the Implementation Guide CHAPTER 5 QUICK SETUP FOR MANAGEMENT ACCESS TROUBLESHOOTING THE SYSTEM This chapter explains how to troubleshoot certain Diagnosing Problems problems with the SuperStack II Switch 3900 system It covers By observing system diagnostics you can identify and correct problems that might occur when the system m Getting Additional Help powers up m Diagnosing Problems m Cleaning Dirty Fiber Optic Ports and Connectors Power Failures If the system does not respond when you insert the Getting Additional Help a see the troubleshooting suggestions in If you experience system problems that are not addressed in this chapter contact your network Abnormal LED Activity supplier or 3Com Technical Support Before you call a e the following MM d and have M The Switch 3900
50. ntries other than the United States comply with IEC Standard 297 Dimensions of Panels and Racks In addition 3Com recommends that your distribution racks meet these requirements m Use an open style 19 inch rack The rack styles shown in Figure 16 facilitate easy maintenance and provide excellent ventilation m Use arack that has the universal mounting rail hole pattern identified in IEC Standard 297 See Figure 7 for a description of the universal mounting hole pattern m Usearack that is made of steel m Install equipment in the lower half of the distribution rack to avoid making it top heavy m Use a rack that supports approximately 272 kg 600 Ib m Use a rack that has adequate electrical grounding for instance with a distribution rack grounding kit m Verity that the floor under the rack is level within 5 mm 34g in Use a floor leveling cement compound or bolt the racks to the floor m Attach the rack to the wiring closet floor with 9 5 mm 35 in lag screws or equivalent hardware Mechanical Requirements for the Rack Verify that your racks comply with the standards and requirements in your cabling system plan and conform to these conventional standards m In the United States comply with EIA Standard RS 310C Racks Panels and Associated Equipment m Brace open distribution racks if the channel thickness is less than 6 4 mm 14 in 52 APPENDIX B SITE REQUIREMENTS AND SAFETY CODES Figure 16
51. only because it supports 100 Mbps connections on the network but also because it places demands on the servers to manage the traffic coming through those connections Figure 4 shows how the Switch 3900 provides direct 100 Mbps links to devices on the network through its Fast Ethernet ports and up to three dedicated Gigabit links to your network s servers In this sample configuration the Switch 3900 can provide up to 36 clients on your network with a dedicated 100 Mbps link and can multiplex the client traffic for Gigabit speed access to the servers You can use one port on the Switch 3900 for in band management as well as for network traffic Network Configuration Sample 19 Network Configuration Sample Figure 4 SuperStack Il Switch 3900 Provides Dedicated Fast Ethernet Links Switched Gigabit Switched 100 Mb server farm desktop systems 36 Port SuperStack II Switch 3900 CHAPTER 1 SYSTEM AND SETUP OVERVIEW p This chapter describes how to install your SuperStack Il Switch 3900 on a table top in a free standing stack with other SuperStack II products or in a distribution rack See Appendix B for site requirements and safety codes m To install the Switch 3900 system on a table top or in a free standing stack read these sections Before You Begin the next section a Installing the System on a Table Top or in a Free Standing Stack on page 22 m To install the Switch 3900 system in a
52. r name and password with Web browser software such as Netscape Navigator and Internet Explorer 3Com Bulletin Board Service The 3Com BBS contains patches software and drivers for 3Com products This service is available through analog modem or digital modem ISDN 24 hours a day 7 days a week Access by Analog Modem To reach the service by modem set your modem to 8 data bits no parity and 1 stop bit Call the telephone number nearest you Country Data Rate Telephone Number Hong Kong Up to 14 400 bps 852 2537 5601 Italy Up to 14 400 bps 39 2 27300680 Japan Up to 14 400 bps 81 3 5977 7977 Mexico Up to 28 800 bps 52 5 520 7835 PR of China Up to 14 400 bps 86 10 684 92351 Taiwan R O C Up to 14 400 bps 886 2 377 5840 U K Up to 28 800 bps 44 1442 438278 U S A Up to 53 333 bps 1 847 262 6000 Access by Digital Modem ISDN users can dial in to the 3Com BBS using a digital modem for fast access up to 64 Kbps To access the 3Com BBS using ISDN call the following number 1 847 262 6000 3Com Facts Automated Fax Service The 3Com Facts automated fax service provides technical articles diagrams and troubleshooting instructions on 3Com products 24 hours a day 7 days a week Call 3Com Facts using your Touch Tone telephone Country Australia Brazil France Germany Data Rate Up to 14 400 bps Up to 28 800 bps Up to 14 400 bps Up to 28 800 bps Telephone Number 61 2 9955 2073 55 11 5181 9666 33 1 6986
53. roducts for Repair Before you send a product directly to 3Com for repair you must first obtain an authorization number Products sent to 3Com without authorization Country Returning Products for Repair Telephone Number Fax Number 59 Latin America U S A and Canada 1 408 326 2927 not toll free 1 800 NET 3Com 1 408 326 3355 not toll free 1 408 326 7120 1 800 638 3266 Enterprise Customers 1 800 876 3266 numbers will be returned to the sender unopened at not toll free the sender s expense To obtain an authorization number call or fax Country Telephone Number Fax Number Asia Pacific Rim 65 543 6500 65 543 6348 Europe South Africa 31 30 6029900 31 30 6029999 and Middle East From the following countries you may call the toll free numbers select option 2 and then option 2 Austria 0800 297468 Belgium 0800 71429 Denmark 800 17309 Finland 0800 113153 France 0800 917959 Germany 0800 1821502 Hungary 00800 12813 Ireland 1800 553117 Israel 1800 9453794 Italy 1678 79489 Netherlands 0800 0227788 Norway 800 11376 Poland 00800 3111206 Portugal 0800 831416 South Africa 0800 995014 Spain 900 983125 Sweden 020 795482 Switzerland 0800 55 3072 U K 0800 966197 60 APPENDIX C TECHNICAL SUPPORT INDEX Numbers 10 1 00BASE TX cabling 28 connector pin assignments 29 1000BASE LX ports cabling 30 3Com bulletin board service 3Com BBS 56 3Com Facts 56 3Com URL 55
54. rom the Wall Receptacle To get your Switch 3900 powered up and ready to operate follow these steps Verify that the power outlet is near the system and easily accessible You can turn the system off only by removing the power cord from the power source Insert the power cord into the system Insert the other end of the power cord into the power outlet The LEDs provide information while the system runs power up diagnostics Power up Diagnostics b The Switch 3900 system runs diagnostic software at power up This software verifies that the system works before you add it to the network If any component fails during power up diagnostics the system either fails to power up or keeps faulty ports off line To verify if any ports have failed diagnostics look at the system configuration display in the Switch 3900 Administration Console To view messages that are displayed in the Administration Console during power up diagnostics connect a terminal workstation or PC that has terminal emulation to the system s Console port During power up the system status LEDs provide information on components in the Switch 3900 system The system and port status LEDs and the information that they provide are shown in Figure 14 System Diagnostics This section describes the LEDs that provide information about the system as a whole Power LED Activity m Green The system is powered on the system is running or has run diagnostics
55. rovide information about the system and each port 3 SUPER enabled link OK STACK green lashing green disabled link OK off link fail Rower Fault T eo000 O O O O GO OG amp Pu 50000 0 0 0 0 00 0 Stat 13 14 15 16 17 18 19 20 21 22 23 24 Pet 13 14 15 16 17 18 19 20 21 22 23 24 Stat Super Stack Il Switch 3900 System Overview 36 Port Front Panel 15 System Overview 36 Port Front Panel Figure 2 Front Panel of the 36 Port SuperStack Il Switch 3900 Ethernet Ports System and Port LEDs Provide 36 10 100BASE TX Provide information about RJ 45 Ethernet ports the system and each port 10 100 BASE TX Status reen enabled link OK flashing green disabled link OK link fail Power Fault 30x A50 00 O O O 5 db dB Pa ih AdAAAA b b amp amp bh b 15 16 17 18 19 20 21 22 23 24 Pckt E 16 17 18 19 20 21 22 23 24 Stat peu qeqeee FERRER o 0 P 26 27 28 29 30 81 32 33 34 Sta 12x 19x 24x 31x 36x Super Stack Il Switch 3900 CHAPTER 1 SYSTEM AND SETUP OVERVIEW System Overview Back Panel of Both Models Figure 3 Back Panel of the 24 Port and 36 Port SuperStack Il Switch 3900 Optional Gigabit Ethernet Slots Fixed Gigabit Ethernet Port Allow you to add additional Provides a 1000BASE SX link Gigabit Ethernet modules Li LI LI 1000 Base SX Console Pckt Stat I E I I I I RPS Connector Connects to the Optional Gi
56. s NJ Prentice Hall 1996 a Introduction to SNMP Self Study Guide Order from 3Com Part Number 3CS 350A m Telnet documents To manage the Switch 3900 system over a TCP IP network using telnet see the documentation that is supplied with your telnet application Related Publications 11 Documentation Comments Your suggestions are very important to us They help us make our documentation more useful to you Please send e mail comments about this guide to sdtechpubs_comments ne 3com com Please include the following information when you comment m Document title m Document part number found on the front or back page of the document m Page number if appropriate Example SuperStack Il Switch 3900 Getting Started Guide Part Number 10012706 Page 25 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 12 About This Guide This chapter contains m An overview of the SuperStack Il Switch 3900 and how it provides solutions for your network m A description of the major features and components of the system m A network configuration example Switch 3900 Intelligent Switch The Switch 3900 is the ideal product for network managers who want to migrate from existing switched 10 Mbps networks to switched 100 Mbps or who need to deliver faster access to servers The Switch 3900 provides superior
57. s a list of worldwide technical telephone Country Telephone Number support numbers Europe Country Asia Pacific Rim Telephone Number From anywhere in Europe call 31 0 30 6029900 phone 31 0 30 6029999 fax Europe South Africa and Middle East Australia 1 800 678 515 From the following countries you may use the Hong Kong 800 933 486 toll free numbers India 61 2 9937 5085 Indonesia 001 800 61 009 Austria 0800 297468 Japan 0031 61 6439 Belgium 0800 71429 Malaysia 1800 801 777 Denmark 800 17309 New Zealand 0800 446 398 Finland 0800 113153 Pakistan 61 2 9937 5085 France 0800 917959 Philippines 1235 61 266 2602 Germany 0800 1821502 PR of China 10800 61 00137 or Hungary 00800 12813 021 6350 1590 Ireland 1800 553117 l Israel 1800 9453794 Singapore 800 6161 463 Italy 1678 79489 gt Korea Netherlands 0800 0227788 From anywhere in S Korea 00798 611 2230 Norway 200 11376 From Seoul 0 2 3455 6455 Poland 00800 3111206 Taiwan R O C 0080 611 261 Portugal 0800 831416 Thalgo SOlESQRRoXA 2000 South Africa 0800 995014 Spain 900 983125 Sweden 020 795482 Switzerland 0800 55 3072 UK 0800 966197 Latin America Argentina AT amp T 800 666 5065 Brazil 0800 13 3266 Chile 1230 020 0645 Colombia 98012 2127 Mexico 01 800 CARE 01 800 2273 Peru AT amp T 800 666 5065 Puerto Rico 800 666 5065 Venezuela AT amp T 800 666 5065 North America 1 800 NET 3Com 1 800 638 3266 Enterprise Customers 1 800 876 3266 Returning P
58. system contains several status LEDs available that indicate system or port problems If you see abnormal LED activity see the troubleshooting suggestions in Table 9 for system LEDs and Table 10 m Maintenance agreement or warranty information for port LEDs and the date of purchase m System serial number m Software revision number m Brief description of the problem You can view some of this information in the Administration Console From the top level menu enter system display For additional information and phone numbers see Appendix C 44 CHAPTER 6 TROUBLESHOOTING THE SYSTEM Table 8 Troubleshooting Power Failures Symptom Possible Sources of the Problem System does not power up m System is not receiving power m Power supply malfunctioned Table9 Troubleshooting Abnormal System LED Activity LED Status Possible Sources of the Problem Fault LED blinks yellow Diagnostic software is not running Power LED does not light System has failed Steps to Take 1 Verify that the building s power outlet has power 2 Check that the power cord is firmly inserted into the system and either the building s power outlet the redundant power system or the uninterruptible power system 3 If you are using an RPS or a UPS check that it is firmly inserted into the building s power outlet 4 Try another power cable 5 f the system still does not operate contact your network supplier or 3Com Technical Support Steps
59. the wiring closet Is adequate to maintain a temperature below 40 C 104 F Install a reliable air conditioning and ventilation system if you plan to have two or more Switch 3900 systems in a single wiring closet To prevent overheating during nonbusiness hours guard against the ventilation being shut down while a Switch 3900 system remains powered up Distribution Rack Requirements If you plan to mount your SuperStack Il Switch 3900 systems in a distribution rack verify that your rack meets the basic mechanical and space requirements described in this section Protective Grounding for the Rack To ensure that voltages induced into wiring by lightning or other disturbances are directed to ground ground your distribution racks properly Use a distribution rack grounding kit and a ground conductor that is carried back to earth or to another suitable building ground To order the grounding kit contact your network supplier Space Requirements for the Rack b Provide enough space in front of and behind the system so that you can service it easily Allow a minimum of 76 cm 30 in between the rack and any wall behind or in front of it Extra room on each side Is optional See Figure 15 Install your distribution rack near an easily accessible power outlet You can power down the system only by removing the power cord from the power source Distribution Rack Requirements 51 Figure 15 Recommended Service Access m In cou
60. trademarks of Sun Microsystems Inc Microswabs and Texwipe are registered trademarks of Texwipe Liqui Tool is a trademark of Triangle Tool Group UNIX is a registered trademark in the United States and other countries licensed exclusively through X Open Company All other company and product names may be trademarks of the respective companies with which they are associated CONTENTS Installing the System on a Table Top or in a Free Standing ABOUT THIS GUIDE Gack 122 Introduction 7 Installing the System in a Distribution Rack 23 Finding Specific Information in This Guide 7 Preparing the System and Rack 23 Conventions 8 Mounting the System into a Distribution Rack 25 SuperStack Il Switch 3900 Documentation 9 Paper Documents 9 3 CABLING SWITCH 3900 PORTS Documents and Help on CD ROM 10 Related Publications 11 Documentation Comments 11 Year 2000 Compliance 11 Overview of Cabling 27 Fiber Safety Precautions 27 Fast Ethernet Ports 28 Cabling 10 100BASE TX RJ 45 Ports 28 10 100BASE TX RJ 45 Connector Pin Assignments 29 1 SYSTEM AND SETUP OVERVIEW Gigabit Ethernet Ports 30 Switch 3900 Intelligent Switch 13 Guidelines for Gigabit Ethernet Cabling 30 System Overview 24 Port Front Panel 14 Recommended Distances for 1000BASE SX Ports or Transceivers 30 Recommended Distances for 1000BASE LX Transceivers 30 Cabling the Console Port 31 Console Port Pin Assignments 32 System Overview 36 Port Front Panel 15 System Overview
61. ule cabling and describes how to cable m Fast Ethernet ports m Gigabit Ethernet ports m System Console port When all your Ethernet Gigabit Ethernet and system network connections are complete see Chapter 4 If you are staging the system you do not need to connect it to the network at this point See Chapter 4 to start your system before you cable it Overview of Cabling The Switch 3900 system is a fixed configuration LAN switch with m 24 or 36 shielded 10 100BASE TX RJ 45 Ethernet ports on the front panel m One fixed Gigabit Ethernet port on the back panel m Two Gigabit Ethernet expansion slots for optional Gigabit Ethernet modules on the back panel CABLING SWITCH 3900 PORTS Fiber Safety Precautions SuperStack Il Switch 3900 modules use lasers in their fiber optic ports To ensure your safety when you install or work with these modules comply with the following precautions WARNING The fiber optic lasers used in these modules meet the regulatory requirements for casual exposure to the eye As with any source of bright light however 3Com recommends that you do not look into the laser light source IEC 825 Class 1 Laser Devices are for connection only to Class 1 Laser Devices MMF and SMF fiber optic interfaces use lasers CLASS 1 LASER PRODUCT 28 CHAPTER 3 CABLING SWITCH 3900 PORTS Fast Ethernet Ports Follow these guidelines when you cable Your Switch 3900 has 24 or 36 10 100BASE TX ports with
62. vided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial ttem as defined in FAR 2 101 a and as such is provided with only such rights as are provided in 3Com s standard commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this guide EMISSIONS COMPLIANCE STATEMENTS FOR CLASS A PRODUCTS United States Federal Communications Commission Notice 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 responsible protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmfu
63. workgroup and departmental switching performance with the added flexibility of multiple Gigabit Ethernet links and server connections The SuperStack Il Switch 3900 family delivers full line rate nonblocking switching between 10 100 Mbps links and 1000 Mbps Gigabit Ethernet links with two models m Model Number 3C39024 The 24 port 10 100BASE TX switch with up to three Gigabit Ethernet links See Figure 1 SYSTEM AND SETUP OVERVIEW m Model Number 3C39036 The 36 port 10 100BASE TX switch with up to three Gigabit Ethernet links See Figure 2 Both versions of the Switch 3900 provide these features m One built in Gigabit Ethernet multimode fiber MMF link 1000BASE SX on the back panel m Expansion slots on the back panel see Figure 3 that can hold one or two of these optional Gigabit Ethernet modules Model Number 3C39001 1000BASE SX for multimode fiber MMF Model Number 3C39002 1000BASE LX for single mode fiber SMF and multimode fiber MMF The cables for all Gigabit Ethernet ports use laser transmission and have SC connectors See Optional Gigabit Ethernet Modules on page 18 for more information 14 CHAPTER 1 SYSTEM AND SETUP OVERVIEW System Overview 24 Port Front Panel Figure 1 Front Panel of the 24 Port SuperStack Il Switch 3900 Ethernet Ports Provide 24 10 100BASE TX RJ 45 Ethernet ports 10 100 BASE TX 6x 13x 1x 7X 24x 12x 19x System and Port LEDs P

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