3Com DUA1770-0AAA04 manual Power Socket, Switch 4924 rear view

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Switch — Rear View Detail 19

Figure 7 Switch 4924 — rear view

Figure 8 Switch 4950 — rear view

Unit Information Label

Power Socket

Redundant Power System Socket

This label shows the following:

■The 3Com product name of the Switch

■The 3Com 3C number of the Switch

■The unique MAC address (Ethernet address) of the Switch

■The serial number of the Switch

You may need this information for fault reporting purposes.

The Switch automatically adjusts its power setting to any supply voltage in the range 90-240 VAC.

To protect against internal power supply failure, you can use this socket to connect a SuperStack 3 Advanced Redundant Power System (RPS) to the Switch. See “Connecting a Redundant Power System” on page 27.

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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 Directory as a whole to maintain the structure of the files Please include the following information when commentingSuperStack 3 Switch 4900 Series Getting Started Guide 3Com recommends that you copy the Docs/referenceguideIntroducing Introducing the Superstack 3 Switch 4900 Series Hardware Features Switches Switch 4900 front view Switch Front View DetailSwitch 4924 front view Ports cross-over Unit LEDs Power/Self Test LEDColor Indicates Port Status LEDs Module Status LEDsSwitch 4900 rear view Switch RearSwitch 4924 rear view Power SocketSupported by your Switch Default SettingsSwitch units, it is returned to these defaults Installing the Switch Choosing a Suitable Package ContentsSite Have been fitted Flow through the side panels of the SwitchRack-mounting Desk, or attach it to a wallFitting a bracket for rack-mounting Repeat steps 2 and 3 for the other side of the SwitchInterconnecting two Switch 4900 units Sequence Power-upPowering-up SwitchPower System output Options RJ-45 connector is now a grounded portThat contain alignment pins can cause damage to your Switch Your SwitchTransceivers Switch 4950 GbicOperation Approved GbicInserting a Gbic Transceiver into a Switch Fiber SC connector Type 4 Gbic with internal Eeprom fittedSwitch 4950 Gbic Operation Installing the Switch Setting UP for Management Overview Setting UpAutomatic IP Configuration Manual IP ConfigurationSetting UP for Management Pre-requisites Manually Configuring IP InformationConfiguring 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 19,200 baud Data bits Connecting a workstation to the Switch via the console portSetting 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 CLI Management via Command LineNetwork Using Telnet Interface ManagementInterface Setting Up WebChoosing a Browser Http//xxx.xxx.xxx.xxx Over the NetworkDefault Users Setting Up SnmpPasswords Security Device User Modify operation on the web interface User Default Name Password Access LevelFor Technical Support information, see Appendix D Problem SolvingOn powering-up, the Power/Self Test LED lights yellow Solving ProblemsSolutions below Power LED does not lightFor further information about RMON, refer to Status ProblemsSolving Hardware Fan failure warning message is receivedUnit fails, no Snmp fan failure message is received Error message indicating that the Gbic transceiver is faultyIP Addressing Solving Communication ProblemsHow do you obtain a registered IP Address? Safety Information This must be approved for the country where it is used Important Safety InformationImportant Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX Schko ’information de Sécurité ImportanteAppendix a Safety Information 3CGBIC91 Gbic SX 3CGBIC92 Gbic LX Der Netzstecker muß die Norm CEE 7/7 erfüllen Schuko Wichtige SicherheitsinformationenWichtige Sicherheitsinformationen Appendix a Safety Information Null Modem Cable 9-pin to RS-232 25-pin PC-AT Serial CablePin to 9-pin Assignments ConnectorsModem Cable RJ-45 PinPin Number 10/100BASE-T 1000BASE-T Appendix B PIN-OUTS Same unless otherwise stated Physical DimensionsSafety Power ConsumptionStandards Supported Power SupplyProtocols Used for Administration Heat DissipationOnline Technical ServicesUsername anonymous From this region, enter the URL Asia, Pacific RimFrom this region, email Europe, Middle East and AfricaEurope, Middle East and Africa Asia, Pacific RimCountry Telephone Number Asia, Pacific Rim Country Telephone Number Latin America Numbers IndexPasswords Regulatory Notices