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

Page 70

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-

 

 

 

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Page 69 Page 71
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 filesIntroducing Introducing the Superstack 3 Switch 4900 Series Hardware Features Switches Switch Front View Detail Switch 4900 front viewSwitch 4924 front view Ports cross-over Module Status LEDs Power/Self Test LEDColor Indicates Port Status LEDs Unit LEDsSwitch Rear Switch 4900 rear viewPower Socket Switch 4924 rear viewSupported 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 fittedRepeat steps 2 and 3 for the other side of the Switch Fitting a bracket for rack-mountingInterconnecting two Switch 4900 units Switch Power-upPowering-up SequencePower System output Your Switch RJ-45 connector is now a grounded portThat contain alignment pins can cause damage to your Switch OptionsApproved Gbic Switch 4950 GbicOperation TransceiversFiber SC connector Type 4 Gbic with internal Eeprom fitted Inserting a Gbic Transceiver into a SwitchSwitch 4950 Gbic Operation Installing the Switch Setting UP for Management Setting Up 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 19,200 baud Data bitsSetting 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 viaInterface Setting Up WebChoosing a Browser Over the Network Http//xxx.xxx.xxx.xxxDefault Users Setting Up SnmpPasswords User Default Name Password Access Level Security Device User Modify operation on the web interfaceProblem Solving For Technical Support information, see Appendix DPower LED does not light Solving ProblemsSolutions below On powering-up, the Power/Self Test LED lights yellowFan failure warning message is received ProblemsSolving Hardware For further information about RMON, refer to StatusError message indicating that the Gbic transceiver is faulty Unit fails, no Snmp fan failure message is receivedSolving Communication Problems IP AddressingHow do you obtain a registered IP Address? Safety Information Important Safety Information This must be approved for the country where it is usedImportant Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX ’information de Sécurité Importante SchkoAppendix a Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX Wichtige Sicherheitsinformationen Der Netzstecker muß die Norm CEE 7/7 erfüllen SchukoWichtige 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 AssignmentsPin Number 10/100BASE-T 1000BASE-T Appendix B PIN-OUTS Power Consumption Physical DimensionsSafety Same unless otherwise statedHeat Dissipation Power SupplyProtocols Used for Administration Standards SupportedServices Online TechnicalUsername anonymous Europe, Middle East and Africa Asia, Pacific RimFrom this region, email From this region, enter the URLAsia, Pacific Rim Europe, Middle East and AfricaCountry Telephone Number Asia, Pacific Rim Country Telephone Number Latin America Index NumbersPasswords Regulatory Notices
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