Rear View Detail, LED Color Indicates Power/Self Test LED | 3Com 3

16CHAPTER 1: INTRODUCING THE SUPERSTACK 3 SWITCH 4200 FAMILY

LED Color	Indicates

Power/Self Test LED
Green	The Switch is powered-up and operating normally.
Green flashing	The Switch is either downloading software or is initializing
	(which includes running a Power On Self Test).
Yellow	The Switch has failed its Power On Self Test.
	Refer to Chapter 4 Solving Problems Indicated by LEDs.
Off	The Switch is not receiving power or there is a fault with the
	Power Supply Unit.
Alert LED
Green flashing	The Switch Alert LED has been configured via the CLI or Web
	Interface to flash.
Off	The Switch Alert LED has been configured via the CLI or Web
	Interface to be off (Default state).

Switch 4200 Family Figure 4 Switch 4200 Family — rear view

— Rear View Detail

Supply Data Warning Label

Console

(max) 19200,8,1,N

Power Socket

Console Port

Power Socket The Switch automatically adjusts its power setting to any supply voltage in the range 100-240 VAC.

Console Port The console port allows you to connect a terminal and perform remote or local out-of-band management. The console port uses a standard null modem cable and is set to auto-baud, 8 data bits, no parity and 1 stop bit.

The Switch 4226T, Switch 4250T and Switch 4228G have a Redundant Power Supply (RPS) connector on the rear panel. Refer to the documentation supplied with these models for details.

Image 16

3Com 3 manual Rear View Detail, LED Color Indicates Power/Self Test LED, Alert LED

Contents

SuperStack 3Com Corporation 350 Campus Drive Marlborough, MA United States Government Legend Contents Setting UP for Management PIN-OUTS Page About this Guide Icon Description ConventionsConvention Description Related Documentation About this Guide Introducing About the Switch Family Switch 4200 Family Front View Detail Introducing the Superstack 3 Switch 4200 Family Color Indicates Port Status LEDs 10BASE-T/100BASE-TX ports Port Status LEDs SFP portsPort Status LEDs 10/100/1000BASE-T ports Unit LEDs Rear View Detail LED Color Indicates Power/Self Test LEDAlert LED Feature Switch 4200 Family Automatic IP Configuration Duplex ModeRmon Alarm Quality of Service QoS Introducing the Superstack 3 Switch 4200 Family Installing 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-mounting Top of Each Other Placing Units OnStacking Units Power-up Powering-upSwitch 4200 Family Sequence SFP Operation SFP port on the Switch 4200 28-PortColor State Installing the Switch Your Switch ChoosingCorrect Cables Transceiver Fiber Cables Cross-over Cable Straight-through Cable Choosing the Correct Cables Installing the Switch Setting UP for Management Setting Up Configure IP information manually for your Switch or viewAutomatically configured IP information Overview Manual IP Configuration Automatic IP Configuration Setting UP for Management Manually Configuring IP Information Pre-requisites Configuring 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 Viewing IP Information via the Console Port Methods of Managing a Switch Refer to Setting Up Command Line Interface Management on Command Line Network Using TelnetInterface Management CLI Management via Interface Setting Up WebChoosing a Browser Setting Up Snmp Management Protocol Snmp can manage a Switch ifOver the Network Management workstation Default Users User Default Access Level Name Password Security device user modify command on the CLI, or Security Device User Modify operation on the web interface Setting UP for Management Problem Solving For Technical Support information, see Appendix D Solving Problems Solutions belowPower LED does not light On powering-up, the Power/Self Test LED lights yellow Error message indicating that the SFP transceiver is faulty Solving Communication ProblemsIP Addressing Upgrade Problems Solving StackFormation Solving Software Safety Information Important Safety Information This must be approved for the country where it is used Important Safety Information ’information de Sécurité Importante Schko Wichtige Sicherheitsinformationen Vorsicht Europe Información de seguridad importante Schuko Importanti informazioni di sicurezza Avvertenza Lunità deve disporre di messa a terra Prodotto Laser Classe Null Modem Cable PC-AT Serial CablePin to RS-232 25-pin Pin to 9-pin Modem Cable RJ-45 PinAssignments Pin Number 10/100 1000 Pin Number 10/100 1000 Appendix B PIN-OUTS Switch 4200 26-Port 3C17300A Switch 4200 50-Port 3C17302A Switch 4200 28-Port 3C17304A Appendix C Technical Specifications Services Register YourProduct Purchase Access Software TroubleshootOnline Downloads Contact Us Latin America Telephone Technical Support and Repair Country Telephone NumberUS and Canada Telephone Technical Support and Repair Index Numbers SFP ports 14 SFP transceiver Regulatory Notices