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Diagnosing Problems

Table 14

Troubleshooting Power Failures

Symptom

Possible Sources of the Problem

Steps to Take

System does not power up.

■

System is not receiving power.

■

Power supply has malfunctioned.

Verify that the building’s power outlet has power.

Verify that the power cord is firmly inserted into the system and
into the building’s power outlet.

If the system still does not operate, contact your network supplier
or 3Com Technical Support.

Summary of Contents for CoreBuilder 3500

Page 1: ...http www 3com com CoreBuilder 3500 Getting Started Guide Part No 10013508 Published November 1999...

Page 2: ...227 7014 June 1995 or as a commercial item 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...

Page 3: ...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 produ...

Page 4: ......

Page 5: ...reBuilder 3500 Modules 22 System Processor Module 22 Fast Ethernet Modules 23 FDDI Modules 24 Gigabit Ethernet Modules 25 2 INSTALLING THE SYSTEM Before You Begin 27 Installing the System on a Table T...

Page 6: ...t 54 Modem Port 54 IP Management Interface 54 Initial Management Access 54 Setting the Terminal Port Baud Parameter 55 Modem Setup 55 Setting the Modem Port Baud Parameter 55 Connecting to an External...

Page 7: ...ding and Electrical Codes 82 U S Building Codes 82 U S Electrical Codes 83 D TECHNICAL SUPPORT Online Technical Services 85 World Wide Web Site 85 3Com Knowledgebase Web Services 85 3Com FTP Site 86 3...

Page 8: ...8...

Page 9: ...oubleshooting procedures should be performed only by trained technical personnel See Safety Precautions on page 59 for more information Audience This guide is intended for the network administrator wh...

Page 10: ...rface on page 56 Diagnosing hardware and software problems Diagnosing Problems beginning on page 60 Environmental and compliance specifications Appendix A System Specifications For information on Turn...

Page 11: ...Example To set the date use the following syntax CCYY MM DDThh mm ss Commands The word command means that you must enter the command exactly as shown in text and then press Return or Enter Example To...

Page 12: ...eb Management User Guide How to use the Web Management suite of applications to manage the system using an Internet browser Each module and field replaceable unit is shipped with a guide CoreBuilder 3...

Page 13: ...ystem Help System for Web based Management Online Help system for the Web Management suite of applications Documentation Comments Your suggestions are very important to us They help us to make our doc...

Page 14: ...14 ABOUT THIS GUIDE...

Page 15: ...Fast Ethernet Gigabit Ethernet and FDDI interfaces The system supports this extensive set of features and functionality 10 100BASE TX Fast Ethernet module 100BASE FX Fast Ethernet MMF module 100BASE...

Page 16: ...ns Your system allows you to create additional capacity and improve performance without increasing the complexity of your network Your new system provides these solutions Improves performance by integ...

Page 17: ...sive Help system using an Internet browser Transcend Enterprise Manager for UNIX or Windows Transcend Enterprise Manager is 3Com s SNMP based network management software for LAN switching systems Othe...

Page 18: ...18 CHAPTER 1 SYSTEM AND SETUP OVERVIEW Figure 1 CoreBuilder 3500 Used as a Workgroup Switch Subnet 6 Subnet 5 Subnet 4 Subnet 3 Subnet 2 Subnet 1...

Page 19: ...gure 2 CoreBuilder 3500 Used as a Gigabit Ethernet Backbone Switch CoreBuilder 3500 SuperStack II Switch 9300 SuperStack II Switch 9300 SuperStack II Switch 3900 SuperStack II Switch 3900 SAS SAS FDDI...

Page 20: ...tem processor serial ports For connecting a modem or terminal to the system for management access System processor out of band port For remote and diagnostic access System support switches For 3Com su...

Page 21: ...System Overview Back Panel 21 System Overview Back Panel DC OK DC OK Power supply latch Power Supply No 2 Power Supply No 1...

Page 22: ...l serial port connection or remotely using an IP or modem connection on the system processor The system processor provides the following network connections Two serial RS 232C ports Port 1 for a termi...

Page 23: ...allation instructions see Chapter 3 or the guide that is shipped with the module 1X L E T 2X L E T 3X L E T 4X L E T 5X L E T 6X L E T 100 BASE TX 3C35210 PWR INS ERR L E T L E T L E T L E T L E T 100...

Page 24: ...ix FDDI ports that use fiber SC connectors providing a 100 Mbps FDDI connection over fiber optic cable The ports support both SAS single attached station and DAS dual attached station modes to provide...

Page 25: ...timal performance compatibility and regulatory compliance use only GBIC transceivers and conditioned launch cables that 3Com supports For a list of currently supported GBICs and launch cables visit th...

Page 26: ...26 CHAPTER 1 SYSTEM AND SETUP OVERVIEW...

Page 27: ...tall the system on a table top 1 Place the system on its side on the table 2 Remove the protective covering from each rubber foot to expose the adhesive surface 3 Place one rubber foot in each of the...

Page 28: ...ws Attach the other bracket to the other side See Figure 8 Figure 8 Installing System Mounting Brackets 2 Carefully lift the system into place aligning the bracket holes with the distribution rack hol...

Page 29: ...grounded and makes good skin contact Keep the module in its antistatic shielded bag until you are ready to install it Always handle the module by its edges Do not touch the pins leads or solder connec...

Page 30: ...reat the connectors may not be aligned Forcing the module inward can damage the connectors If necessary remove and reinsert the module ensuring that the connectors are properly aligned Do not seat the...

Page 31: ...stics you do need to connect a terminal a workstation or a PC with terminal emulation to the system s terminal port See Chapter 6 Cabling the System Processor Ports The system processor ports provide...

Page 32: ...other networking device Figure 12 Cabling the Out of band Port You can also access the system processor through any module s Ethernet port using Telnet or rlogin You are now ready to configure your sy...

Page 33: ...in No Signal Description 1 DCD Data carrier detect 2 RXDA Received data 3 TXDA Transmitted data 4 DTR Data terminal ready 5 Signal ground 6 Not used 7 RTS Request to send 8 CTS Clear to send 9 Not use...

Page 34: ...10 100BASE TX module has six Fast Ethernet ports that use RJ 45 connectors and provide 10 100 Mbps Ethernet connections over UTP Category 5 copper wire To cable the 10 100BASE TX module 1 Insert the m...

Page 35: ...ion WARNING The LEDs and 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 in...

Page 36: ...Read and follow Fiber and Laser Safety Precautions in the previous section for safe operation 2 Plug the male SC connector on the fiber cable into the selected port on the Fast Ethernet module until i...

Page 37: ...ceed these recommended distances Use 62 5 micron MMF fiber with a modal bandwidth specification of 160 MHz km for distances of up to 220 m 722 ft Use 62 5 micron MMF fiber with a modal bandwidth speci...

Page 38: ...nnector To cable the 1000BASE SX module 1 Read and follow the Fiber and Laser Safety Precautions on page 35 for safe operation 2 Plug the male SC connector on the fiber cable into the port on the Giga...

Page 39: ...dule directly to multimode fiber optic cable For details follow the procedure in this section To ensure optimal compatibility performance and regulatory compliance use only GBIC transceivers and condi...

Page 40: ...mission If you are using an LX transceiver the network cable must support single mode transmission You can also connect an LX transceiver to multimode fiber See Connecting the LX Transceiver to MMF on...

Page 41: ...ce as shown in Figure 16 3 If you have not already done so remove the SC connector cover from the transceiver as shown in Figure 17 The SC Receive RX port is on the left and the SC Transmit TX port is...

Page 42: ...of the dual counter rotating FDDI rings In most cases the SAS station connects to the primary ring as the secondary ring is on standby in case the primary fails A single FDDI module supports up to six...

Page 43: ...nt to know when determining which FDDI connection policy you want to use For a complete list of FDDI connection policies see the FDDI chapter in the CoreBuilder 3500 Implementation Guide To cable the...

Page 44: ...t signal is received on Port A and reenters the primary ring through Port B The secondary ring s light signal is received on Port B and reenters the secondary ring through Port A The six FDDI ports ar...

Page 45: ...DI port consists of a transmit and receive side For each FDDI port to port connection verify that you cable the transmit side of one FDDI port to the receive side of the FDDI port to which you are con...

Page 46: ...46 CHAPTER 4 CABLING...

Page 47: ...mation about cabling and configuring the terminal serial port 1 After you have installed all the media modules cover each unused slot in the chassis with a blank faceplate The faceplates protect the s...

Page 48: ...tem either fails to power up or the faulty module comes up but all of its ports are out of service When the system comes up check to see which modules if any have failed diagnostics by checking the mo...

Page 49: ...ssor has failed at power up Blinking Yellow Hardware software revision mismatch PS1 Power Supply 1 Yellow Power supply failed is out of specification or not plugged in TEMP Yellow System has overheate...

Page 50: ...software checks each module and the module s ports Module LEDs report these events If the module s ERR LED still lights yellow after the system is finished running diagnostics the module did not succe...

Page 51: ...cessful T Traffic status Port Green Port is receiving or transmitting data Table 12 System Power up Checklist Check Why Power up error messages If the software finds a problem during power up messages...

Page 52: ...is shipped from the factory with IEEE 802 1 bridging set to disabled To configure your system for your particular networking environment including SNMP set up customized packet filtering and routing y...

Page 53: ...3Com also provides the embedded Web Management suite of applications This set of system administration tools allows you to manage the system over the Internet through a Web browser The Software and Do...

Page 54: ...gement application Initial Management Access Initially you must access the system through the terminal serial port Configure your system using these default settings for this port 9600 baud 8 bits no...

Page 55: ...match If you enter n the baud setting does not change and you return to the previous menu Modem Setup You can set up your system for access through an external modem that is attached to the system pro...

Page 56: ...nformation on defining an out of band IP management interface through which you can manage your system In band or Out of band Management If you manage your system and its attached LANs over the same n...

Page 57: ...ermines which bits in the IP address are interpreted as the network number which as the subnet number and which as the host number Each IP address that corresponds to a 1 in the subnet mask is in the...

Page 58: ...58 CHAPTER 6 QUICK SETUP FOR MANAGEMENT ACCESS...

Page 59: ...Console See the Command Reference Guide or the Web Management User Guide for more information For information on where to call see Appendix D Safety Precautions Be sure that you follow all safety prec...

Page 60: ...Table 14 Abnormal LED Activity The system processor contains several status LEDs that indicate system problems Also each module has status LEDs that alert you to problems on a module or port See Table...

Page 61: ...oes not power up System is not receiving power Power supply has malfunctioned 1 Verify that the building s power outlet has power 2 Verify that the power cord is firmly inserted into the system and in...

Page 62: ...rce 2 If the LED still lights call your network supplier or 3Com Technical Support TEMP LED lights yellow System temperature is too high Wiring closet is too hot System vents are blocked System fans a...

Page 63: ...updated software reload the old version of software 3 If the LED continues to blink contact your network supplier or 3Com Technical Support for hardware software incompatibility information E LED Erro...

Page 64: ...64 CHAPTER 7 TROUBLESHOOTING THE SYSTEM...

Page 65: ...Maximum operating temperature is at sea level It increases 1 8 C for every 1000 m above sea level 1 F for every 3280 ft above sea level Operating humidity 10 to 90 relative humidity noncondensing Stor...

Page 66: ...022 CISPR 22 Europe VCCI Japan CE Mark Immunity EN50082 1 IEC 801 Series Heat Dissipation 362 watts maximum 1237 BTU hour maximum Power Supply AC line frequency 47 to 63 Hz Input voltage options 90 V...

Page 67: ...t MIB RFC 1850 RMON MIB mib RMON MIB RFC 1757 axonFddiRmon mib AXON RMON MIB proprietary support RMON2 MIB V1SMI mib RMON v2 SMI Version 1 MIB RFC 2021 SNMPv2 MIB mib used by other MIBs RFC 1907 SOURC...

Page 68: ...mote Polling MIB 43 29 4 22 3cProd mib 3Com Transcend Product Management MIB 43 1 3cQos mib 3Com QoS MIB 43 29 4 21 3cSys mib 3Com System MIB 43 29 4 3cSysBridge mib 3Com Bridging MIB 43 29 4 10 3cSys...

Page 69: ...has failed FAN Yellow Fan has slowed or shut down TEMP Yellow System has overheated SERVICE Yellow System is in service mode INS for PCMCIA Green PCMCIA card is inserted in system Module Port Status...

Page 70: ...70 APPENDIX A SYSTEM SPECIFICATIONS...

Page 71: ...3Com For training information in the United States and Canada call 1 800 NET 3COM For the numbers to call in other locations visit the 3Com Web site www support 3com com WARNING Hazardous energy exis...

Page 72: ...at secure the system processor in the chassis 5 Move the injector ejector handles to the outward eject position See Figure 25 6 Gently slide the system processor out of the chassis To replace the syst...

Page 73: ...e chassis To replace a module 1 Read and follow all Safety Precautions earlier in this appendix 2 Ensure that you are properly grounded 3 Insert the module in the chassis guides 4 Gently slide the mod...

Page 74: ...afety Precautions earlier in this appendix 2 Lift the power supply latch to disconnect the power cord and remove it from the system 3 Loosen the captive screws that secure the power supply to the chas...

Page 75: ...s that they run at slower speeds when the system is operating at temperatures of less than 30 C 86 F and at full speed when the system temperature is above that You need no tools to remove the fan tra...

Page 76: ...ie vom Hersteller empfohlen wird Tadiran Model TL 5111 Die Batterie wird nach dem Herstellersvorschriften beseitigt Attention Remplacer uniquement avec une batterie du meme type ou d un type recommand...

Page 77: ...slight resistance as the connectors engage CAUTION If the resistance is too great the system processor and backplane connectors may not be aligned Forcing the system processor inward can damage the bo...

Page 78: ...78 APPENDIX B FIELD REPLACEABLE COMPONENTS...

Page 79: ...wo sections Wiring Closet Recommendations The cabling system plan used at your facility probably covers most wiring closet concerns 3Com also recommends that you check these items Verify that your wir...

Page 80: ...ntal shutdown of the ventilation while a system remains powered up the equipment might overheat Distribution Rack Requirements If you plan to mount your systems in a distribution rack your rack must m...

Page 81: ...in rack The rack styles shown in Figure 31 facilitate easy maintenance and provide excellent ventilation Use a rack that has the universal mounting rail hole pattern identified in IEC Standard 297 Use...

Page 82: ...In countries other than the United States consult the appropriate regulatory and industry organization U S Building Codes Major building codes Uniform Building Code International Conference of Buildi...

Page 83: ...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 Ro...

Page 84: ...84 APPENDIX C SITE REQUIREMENTS AND SAFETY CODES...

Page 85: ...FactsSM Automated Fax Service World Wide Web Site To access the latest networking information on the 3Com Corporation World Wide Web site enter this URL into your Internet browser http www 3com com Th...

Page 86: ...e number nearest you 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 84...

Page 87: ...gnostic error messages 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 3Com If...

Page 88: ...0 30 6029999 fax Europe South Africa and Middle East From the following countries call these toll free numbers Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy Netherlands N...

Page 89: ...ing countries you may call the toll free numbers select option 2 and then option 2 Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy Netherlands Norway Poland Portugal South...

Page 90: ...90 APPENDIX D TECHNICAL SUPPORT...

Page 91: ...itioned launch cable connecting 41 connectors DB 9 31 RJ 45 31 34 SC 34 36 38 conventions in text defined 10 cooling the system 80 D DAS dual attached station cabling 44 diagnostic signs 60 to 63 diag...

Page 92: ...nments 33 quick configuration 55 setting the baud rate 55 modules diagnostics 50 grounding during installation 29 77 protecting from electrostatic discharge 29 mounting brackets installing 28 mounting...

Page 93: ...top installation 27 system processor cabling 31 LEDs 49 out of band port 31 overview 20 ports for management access 31 power up LED activity 50 removal and replacement 72 serial ports 21 31 T technica...

Page 94: ...94 INDEX...

Page 95: ...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...

Page 96: ...S 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...

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