Manuals / 3Com / Computer Equipment / Switch

3Com 4250T, 4228G, 4226T manual Index

Models: 4250T 4226T 4228G

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82I NDEX

10/100/1000BASE-T ports 14 console 17

GBIC ports 14 power socket 17 powering-up a Switch 4200 24 problem solving 53

communication problems 55 hardware problems 55

IP addressing 55 LEDs 54

Solving software upgrade problems 57 stack formation problems 56

product name 22

R

rack mounting a Switch 4200 21 Redundant Power System. See RPS RPS 17

connecting 25 socket 17

S

safety information English 60 French 62 German 64

serial number of the Switch 22 serial port. See console port

Simple Network Management Protocol. See SNMP SNMP 49

SNMP management 46 setting up 49

socket power 17 RPS 17

specifications, system 71 Stacking units 23 straight-through configuration 25 Switch

automatic setup 42 Switch 4200

3C number 22 console port 17 dimensions 71 Ethernet address 22 features 12 installation 19, 20 MAC address 22 power socket 17 powering-up 24 product name 22

rack mounting 21 RPS socket 17 serial number 22 size 71 stacking 23

unit information label 22 weight 71

system specifications 71

T

troubleshooting 53

U

unit information label 22

W

Web browsers choosing 48

web interface

choosing a browser 48 web interface management 46

setting up 48

Image 82

3Com 4250T, 4228G, 4226T manual Index

Contents

SuperStack 3Com Corporation 350 Campus Drive Marlborough, MA United States Government LegendContents Setting UP for Management Safety Information PIN -OUTSPage About this Guide Icon Description ConventionsConvention Description Related DocumentationAbout this Guide Introducing About the Switch FamilySwitch 4200 Family Front View DetailIntroducing the Superstack 3 Switch 4200 Series Color Indicates Port Status LEDs 10BASE-T/100BASE-TX ports Fiber GBICs1000BASE-T GBICs Port Status LEDs Gbic portsUnit LEDs Power/Self Test LEDColor Indicates Alert LEDSystem RPS. See Connecting a Redundant Power System on Rear View DetailRmon Alarm Feature Switch 4200 Family Automatic IP ConfigurationDuplex Mode Quality of Service QoSInstalling the Switch Choosing a Suitable Package ContentsSite Rack-mounting Repeat steps 2 and 3 for the other side of the Switch Fitting a bracket for rack-mountingTop of Each Other Placing Units OnStacking Units Switch 4200 Family Power-upPowering-up SequencePower/Self Test LED colors Color StateFiber cables Cross-over Cable Straight-through CableApproved Gbic The 3Com approved Gbic transceivers are TransceiversInstalling the Switch Gbic Installing the Switch Setting UP for Management Automatically configured IP information Setting UpConfigure IP information manually for your Switch or view OverviewManual IP Configuration Automatic IP ConfigurationSetting UP for Management Manually Configuring IP Information Pre-requisitesConfiguring the Workstation with IP Information Connecting the Workstation to the SwitchSetting Up the Switch with IP Information Using Command Line Interface via Telnet Example top-level command line interface menu Connecting a workstation to the Switch via the console port Setting Up the Switch with IP Information Example top-level command line interface menu Viewing Configured IPAutomatically Viewing Automatically Configured IP Information Example top-level command line interface menu Viewing IP Information via the Console PortMethods of Managing a Switch Refer to Setting Up Command Line Interface Management on Interface Management Command LineNetwork Using Telnet CLI Management viaInterface Setting Up WebChoosing a Browser Over the Network Setting Up SnmpManagement Protocol Snmp can manage a Switch if Management workstationDefault Users User Default Name Password Access LevelSecurity Device User Modify operation on the web interface Setting UP for Management Problem Solving For Technical Support information, see Appendix DPower LED does not light Solving ProblemsSolutions below On powering-up, the Power/Self Test LED lights yellowSolving Hardware Snmp fan fail trap hardware failure ProblemsSolving Communication Problems IP AddressingFormation Solving StackHow do you obtain a registered IP Address? Solving Software Upgrade Problems Problem Solving Safety Information Important Safety Information This must be approved for the country where it is usedImportant Safety Information ’information de Sécurité Importante Schko Wichtige Sicherheitsinformationen Vorsicht Europe Appendix a Safety Information Pin to RS-232 25-pin Null Modem CablePC-AT Serial Cable Pin to 9-pinAssignments Modem CableRJ-45 Pin Pin Number 10/100 1000Pin Number 10/100 1000 Appendix B PIN-OUTS Switch 4226T 3C17300 Protocols Used for Administration Terminal EmulationSwitch 4250T 3C17302 Switch 4228G 3C17304 Product ServicesRegister Your PurchaseOnline Access SoftwareTroubleshoot DownloadsContact Us Country Telephone Number Latin America Telephone Technical Support and Repair800 876 Appendix D Obtaining Support for Your Product Index NumbersIndex Regulatory Notices