3Com 3 manual Modem Cable, RJ-45 Pin, Assignments, Pin Number 10/100 1000

Page 70

70APPENDIX B: PIN-OUTS

Modem Cable	9-pin to RS-232 25-pin
	Switch 4200		RS-232 Modem Port
	Cable connector: 9-pin female		Cable connector: 25-pin male
	Screen	Shell	1	Screen
	TxD	3	2	TxD
	RxD	2	3	RxD
	RTS	7	4	RTS
	CTS	8	5	CTS
	DSR	6	6	DSR
	Ground	5	7	Ground
	DCD	1	8	DCD
	DTR	4	20	DTR

RJ-45 Pin	Pin assignments for ports configured as MDI and MDIX are given in
Assignments	Table 10 and Table 11.
	Table 10 Pin assignments

	Pin Number	10/100	1000

	Ports configured as MDI
	1	Transmit Data +	Bidirectional Data A+
	2	Transmit Data -	Bidirectional Data A-
	3	Receive Data +	Bidirectional Data B+
	4	Not assigned	Bidirectional Data C+
	5	Not assigned	Bidirectional Data C-
	6	Receive Data –	Bidirectional Data B-
	7	Not assigned	Bidirectional Data D+
	8	Not assigned	Bidirectional Data D-

Image 70

Contents

SuperStack 3Com Corporation 350 Campus Drive Marlborough, MA United States Government LegendContents Setting UP for Management PIN-OUTS Page 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 Family Port Status LEDs 10/100/1000BASE-T ports Color Indicates Port Status LEDs 10BASE-T/100BASE-TX portsPort Status LEDs SFP ports Unit LEDsRear View Detail LED Color Indicates Power/Self Test LEDAlert LED Rmon Alarm Feature Switch 4200 Family Automatic IP ConfigurationDuplex Mode Quality of Service QoSIntroducing 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-mountingTop of Each Other Placing Units OnStacking Units Switch 4200 Family Power-upPowering-up SequenceSFP Operation SFP port on the Switch 4200 28-PortColor State Installing the Switch Correct Cables Your SwitchChoosing TransceiverFiber Cables Cross-over Cable Straight-through CableChoosing the Correct Cables 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 Viewing IP Information via the Console Port Methods 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 Access Level Name PasswordSecurity device user modify command on the CLI, or Security Device User Modify operation on the web interfaceSetting 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 yellowError message indicating that the SFP transceiver is faulty Solving Communication ProblemsIP Addressing Formation Upgrade ProblemsSolving Stack Solving SoftwareSafety 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 Información de seguridad importante Schuko Importanti informazioni di sicurezza Avvertenza Lunità deve disporre di messa a terra Prodotto Laser Classe 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 4200 26-Port 3C17300A Switch 4200 50-Port 3C17302A Switch 4200 28-Port 3C17304A Appendix C Technical Specifications Product ServicesRegister Your PurchaseOnline Access SoftwareTroubleshoot DownloadsContact Us Latin America Telephone Technical Support and Repair Country Telephone NumberUS and Canada Telephone Technical Support and Repair Index NumbersSFP ports 14 SFP transceiver Regulatory Notices

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