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3Com 3CR17660-91, 3CR17662-91, 3CR17661-91 manual Pin-Outs

Models: 3CR17660-91 3CR17662-91 3CR17661-91

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PIN-OUTS

Null Modem Cable	RJ-45 to RS-232 25-pin
	3Com Switch		PC/Terminal
	Cable connector: RJ-45 female		Cable connector: 25-pin male/female
	Screen	Shell	1	Screen	only required if screen
	Screen	Shell	1	Screen
	TxD	3	3	RxD
	RxD	2	2	TxD	always required
	Ground	5	7	Ground
	RTS	7	4	RTS
	CTS	8	20	DTR
	DSR	6	5	CTS	required for handshake
	DCD	1	6	DSR
	DTR	4	8	DCD

PC-AT Serial Cable	RJ-45 to 9-pin
	3Com Switch					PC-AT Serial Port
	Cable connector: RJ-45 female					Cable connector: 9-pin female
	Screen	Shell						Shell	Screen	only required if screen
	Screen	Shell						Shell	Screen
	DTR	4						1	DCD	Required for handshake
	DTR	4						1	DCD	Required for handshake
	TxD	3						2	RxD	Always required
	TxD	3						2	RxD	Always required
	RxD	2						3	TxD
	CTS	8						4	DTR	required for handshake
										required for handshake

	Ground	5						5	Ground	always required
	DSR	6						6	DSR
	RTS	7						7	RTS	required for handshake
										required for handshake

	DCD	1						8	CTS

Image 89

3Com 3CR17660-91, 3CR17662-91, 3CR17661-91 manual Pin-Outs

Contents

3Com Switch 4200G Family United States Government Legend 3Com Corporation Campus Drive MarlboroughPage Page Contents Installing the Switch Problem Solving PIN -OUTS About this Guide Convention Description ConventionsIcon Description Documentation RelatedDocumentation Pddtechpubscomments@3com.com CommentsIntroducing Hardware Features Switch 4200G About the Switch 4200GCommander Switch 4200G-Front ViewSwitch 4200G 48-Port-front view Status Display Display Mode LED Color Description10/100/1000BASE-T Port LEDs Mode LEDColor Indicates 1000BASE-X Port SFP Port LEDs Rear View DetailSlots Duplex Mode Feature Switch 4200G Automatic IP ConfigurationRmon Alarm Configuration SaveInstalling the Switch Site Package ContentsChoosing a Suitable Front of the Switch, as shown in Figure To rack-mount your SwitchRack-mounting Inch racksFitting a Bracket for Rack-Mounting Repeat and for the other side of the SwitchPowered-up and ready for operation Power-upSwitch 4200G SequenceSFP port LEDs on page 54 for a list of suggested solutionsSFP Operation Inserting an SFP Transceiver Remove the plastic protective cover if fittedChoosing Your SwitchCorrect Cables TransceiverChoosing the Correct Cables Installing the Switch Setting UP for Management Refer to Setting Up Command Line Interface Management on Methods of Managing a SwitchCommand Line Interface Management System View There are two main views in the CLIUser View Overview Setting UpSnmp Automatic IP Configuration using Dhcp Manual IP ConfigurationManually Configuring IP Information Prerequisites Connecting the Workstation to the SwitchSetting Up the Switch with IP Information Enter interface vlan 1 and Enter Enter the system-viewcommand and EnterWith a Network Using the Web Interface Using Command Line Interface using Telnet Using 3Com Network Director Viewing Automatically Configured IP InformationEnter the default gateway for the Switch Viewing IP Information using the Console Port Interface Management Command LineSSH Setting Up Command Line Interface Management usingChoosing a Browser Setting Up WebInterface 2000 Windows XP Server Over the NetworkWindows Red Hat Setting Up Snmp Management V1 or User Default Access Level Name Password Default UsersSetting UP for Management Problem Solving Indicated by LEDs Solving ProblemsSolving Hardware ProblemsUnit fails, no Snmp fan failure message is received Error message indicating that the SFP transceiver is faultyHow do you obtain a registered IP Address? Solving Communication ProblemsIP Addressing Problem Solving Upgrading Software File list similar to the following is displayed If the recycle-bin is empty the following is displayed To back up the application file on your Switch, enterTo back up the bootrom file on your Switch, enter Command Line Interface Switch Setup 4200G ping aaa.aaa.aaa.aaa Via network portTo install the new application code, enter Type y when promptedTo install the new web management code, enter To download the web management file, enterEnter y to display the following message Following information is displayedUpgrading from Bootrom InterfaceFollowed by a password prompt S3t03010024.zip 3comoscfg.def 3comoscfg.cfg s3t030100s56.app Enter your choice0-3 Select option 3 to display the following Select option 2 to display the followingUpgrading BootromUsing FTP Using TftpUsing XModem Ccccccccccccccccccccccccccccc Upgrading Software Safety Information This must be approved for the country where it is used Power Cord Set-Japan Important Safety InformationImportant Safety Information ’information de Sécurité Importante Schko Dispositif Laser De Classe Vorsicht Das Gerät muß geerdet sein Wichtige SicherheitsinformationenInformación de Seguridad Importante Schuko Importanti Informazioni di Sicurezza Stati Uniti e Ważne informacje o zabezpieczeniach Ważne informacje o zabezpieczeniach Ostrzeżenie Porty światłowodowe-bezpieczeństwo PIN-OUTS Pin Number 10/100 1000 Ethernet Port RJ-45 Pin Assignments10/100 and 1000BASE-T RJ-45 connections Ethernet Port RJ-45 Pin Assignments Appendix B PIN-OUTS Switch 4200G 12-Port Switch 4200G 24-Port Switch 4200G 48-Port Appendix C Technical Specifications Register Your ServicesProduct PurchaseTroubleshoot Access SoftwareOnline DownloadsContact Us US and Canada Telephone Technical Support and Repair Country Telephone NumberLatin America Telephone Technical Support and Repair Numbers IndexSFP Regulatory Notices