Modem Cable, RJ-45 Pin, Assignments | 3Com DUA1770-0AAA04 manual

70APPENDIX B: PIN-OUTS

Modem Cable

9-pin to RS-232 25-pin

RJ-45 Pin	Pin assignments are identical for 10/100BASE-T and 1000BASE-T RJ-45
Assignments	connectors.
	Table 10 Pin assignments

Pin Number	10/100BASE-T	1000BASE-T

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

3Com DUA1770-0AAA04 manual Modem Cable, RJ-45 Pin, Assignments, Pin to RS-232 25-pin, Connectors

Contents

SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Setting UP for Management PIN-OUTS Page About this Guide Icon Description ConventionsConvention Description Documentation RelatedDocumentation documentation 3Com recommends that you copy the Docs/referenceguide Please include the following information when commentingSuperStack 3 Switch 4900 Series Getting Started Guide Directory as a whole to maintain the structure of the files Introducing Introducing the Superstack 3 Switch 4900 Series Hardware Features Switches Switch Front View Detail Switch 4900 front view Switch 4924 front view Ports cross-over Module Status LEDs Power/Self Test LEDColor Indicates Port Status LEDs Unit LEDs Switch Rear Switch 4900 rear view Power Socket Switch 4924 rear view Supported by your Switch Default SettingsSwitch units, it is returned to these defaults Installing the Switch Choosing a Suitable Package ContentsSite Desk, or attach it to a wall Flow through the side panels of the SwitchRack-mounting Have been fitted Repeat steps 2 and 3 for the other side of the Switch Fitting a bracket for rack-mounting Interconnecting two Switch 4900 units Switch Power-upPowering-up Sequence Power System output Your Switch RJ-45 connector is now a grounded portThat contain alignment pins can cause damage to your Switch Options Approved Gbic Switch 4950 GbicOperation Transceivers Fiber SC connector Type 4 Gbic with internal Eeprom fitted Inserting a Gbic Transceiver into a Switch Switch 4950 Gbic Operation Installing the Switch Setting UP for Management Setting Up 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 19,200 baud Data bits Setting Up the Switch with IP Information Viewing Configured IPAutomatically Pre-requisites Viewing IP Information via the Console Port Example top-level command line interface menu Refer to Setting Up Command Line Interface Management on Interface Management Command LineNetwork Using Telnet CLI Management via Interface Setting Up WebChoosing a Browser Over the Network Http//xxx.xxx.xxx.xxx Default Users Setting Up SnmpPasswords User Default Name Password Access Level Security Device User Modify operation on the web interface Problem Solving For Technical Support information, see Appendix D Power LED does not light Solving ProblemsSolutions below On powering-up, the Power/Self Test LED lights yellow Fan failure warning message is received ProblemsSolving Hardware For further information about RMON, refer to Status Error message indicating that the Gbic transceiver is faulty Unit fails, no Snmp fan failure message is received Solving Communication Problems IP Addressing How do you obtain a registered IP Address? Safety Information Important Safety Information This must be approved for the country where it is used Important Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX ’information de Sécurité Importante Schko Appendix a Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX Wichtige Sicherheitsinformationen Der Netzstecker muß die Norm CEE 7/7 erfüllen Schuko Wichtige Sicherheitsinformationen Appendix a Safety Information Null Modem Cable 9-pin to RS-232 25-pin PC-AT Serial CablePin to 9-pin RJ-45 Pin ConnectorsModem Cable Assignments Pin Number 10/100BASE-T 1000BASE-T Appendix B PIN-OUTS Power Consumption Physical DimensionsSafety Same unless otherwise stated Heat Dissipation Power SupplyProtocols Used for Administration Standards Supported Services Online Technical Username anonymous Europe, Middle East and Africa Asia, Pacific RimFrom this region, email From this region, enter the URL Asia, Pacific Rim Europe, Middle East and Africa Country Telephone Number Asia, Pacific Rim Country Telephone Number Latin America Index Numbers Passwords Regulatory Notices