3Com 4210 9-PORT manual Pin-Outs, Null Modem Cable, PC-AT Serial Cable, RJ-45 to RS-232 25-pin

Page 57

A

PIN-OUTS

Null Modem Cable

RJ-45 to RS-232 25-pin

Cable connector: RJ-45 female	PC/Terminal
	Cable connector: 25-pin male/female

Screen	Shell	1	Screen
TxD	3	3	RxD
RxD	2	2	TxD
Ground	5	7	Ground
RTS	7	4	RTS
CTS	8	20	DTR
DSR	6	5	CTS
DCD	1	6	DSR
DTR	4	8	DCD

only required if screen

always required

required for handshake

PC-AT Serial Cable

RJ-45 to 9-pin

Cable connector: RJ-45 female	PC-AT Serial Port
	Cable connector: 9-pin female

Screen	Shell	Shell	Screen
DTR	4	1	DCD
TxD	3	2	RxD
RxD	2	3	TxD
CTS	8	4	DTR
Ground	5	5	Ground
DSR	6	6	DSR
RTS	7	7	RTS
DCD	1	8	CTS

only required if screen

Required for handshake

Always required

required for handshake

always required

required for handshake

Image 57

Contents 3Com Switch 4210 Family United States Government Legend 3Com Corporation Campus Drive Marlborough, MA USAContents Regulatory Notices Obtaining Support for Your 3COM ProductsAbout this Guide Related Documentation Description of their features Wire-speed Layer 2 switchingProduct Introduction OverviewSwitch 4210 9-port PWR Front panel Introduction to Switch 4210 Family PWR SwitchesRear panel Power systemSide panel Cooling systemFront panel of a Switch 4210 18-port PWR Shows the front panel of the Switch 4210 26-port PWR model Switch 4210 26-port PWR units support AC input or DC input AC inputDC input-Rated voltage range -52 VDC to -56 VDC Front Panel LEDs Power LED10/100BASE-TX Autosensing Ethernet Port Status LED Mbps Uplink Port Status LEDThis section describes each Switch 4210 Family model Introduction to the Switch 4210 Family Non-PWR ModelsSwitch 4210 9-port Front panel Panel StatusSwitch 4210 18-port Front panel Switch 4210 cools off naturallySwitch 4210 18-port model’s rear panel Switch 4210 26-port Front panelSwitch 4210 26-port rear panel Switch 4210 52-port Front PanelPort LED Describes the 10/100Base-TX autosensing port’s Link/Act LEDDescribes the Speed LED on the 10/100Base-TX port Technical Specifications Technical specifications for the SwitchSwitch Model Port PWR Earthing Lead Technical specifications for the Switch 4210 PWR modelsSFP modules supported by the Switch SwitchSFP Modules Supported forProduct Introduction Installing the Switch Installing the Switch Mount the front bracket to the device Screw Front Installing the switch in a 19-inch rackInstallation completed Sequence Power-upReady for operation 4210Redundant Power Supply Connecting a52 for a list of suggested solutions PWR LED ColorsSystem Switch 4210 Circuit Breaker and Cable Ratings Power AvailabilityRectifiers No Rectifier Redundancy +1 RectifierRPS Connection to the Switch Using Power over EthernetRJ-45 Signal Direction DB9 console ConnectingConsole Cable Terminal, as shown in FigureGND RXD DSR CTS Installing the Switch Managing Your Switch Methods of Managing a Switch User ViewSystem View Refer to Setting Up Snmp Management on Setting Up YourConfigured IP information Need toSnmp Configuring IP ManuallyAutomatically Configuring the IP Address using Dhcp Viewing Configured IPAutomatically InformationUser View Login Connecting to Console Port Manually Configuring IP InformationYou can manually configure the switch IP information by Connecting the Workstation to the SwitchOnce you have logged in you are automatically in User View Setting Up the Switch with IP InformationPrerequisites Using the Web Interface Enter the system-viewcommand and Enter Using Command Line Interface using TelnetManagement Where xxx.xxx.xxx.xxx is the IP address of the switchConsole Port Connection Network TelnetManagement using Setting Up CommandSetting Up Web Line InterfaceString is private Setting Up SnmpNew community string up to 32 characters String to be removedPasswords Default UsersDefault Users User Default Name Password Access LevelProblem Solving Indicated by LEDs Solving ProblemsSolving Hardware ProblemsError message indicating that the SFP transceiver is faulty Solving Communication ProblemsIP Addressing How do you obtain a registered IP Address?Solving Fabric Formation ProblemsProblem Solving Null Modem Cable PIN-OUTSPC-AT Serial Cable RJ-45 to RS-232 25-pinEthernet Port RJ-45 Pin Assignments 10/100 and 1000BASE-T RJ-45 connectionsPin assignments Obtaining Support for Your 3COM Products Contact Us Available for purchase from your 3Com resellerTelephone Technical Support and RepairCountry Telephone Number US and Canada Telephone Technical Support and Repair Latin America Telephone Technical Support and Repair3Com Network 3COM Network ManagementSupervisor DirectorAppendix C 3COM Network Management Management Suite 3Com EnterpriseIntegration Kit with HP OpenViewAppendix C 3COM Network Management Important Safety Information Safety InformationWichtige Sicherheitsinformationen ’information de Sécurité ImportanteInformación de Seguridad Importante Appendix D Redundant Power Supply Safety Information Importanti Informazioni di Sicurezza Ważne informacje o zabezpieczeniachAppendix D Redundant Power Supply Safety Information Regulatory Notices How to identify and resolve radio-TV interference problemsAppendix D Redundant Power Supply Safety Information