3Com DUA1770-0AAA04 manual Heat Dissipation, Power Supply, Standards Supported, Terminal Emulation

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74APPENDIX C: TECHNICAL SPECIFICATIONS

Heat Dissipation	Switch 4900:1050 BTU/hour maximum
	Switch 4900 SX: 560 BTU/hour maximum
	Switch 4924: 870 BTU/hour maximum
	Switch 4950: 685 BTU/hour maximum

Power Supply
AC Line Frequency	50/60 Hz
Input Voltage Options	90–240 VAC
Current Rating	Switch 4900: 4 A (amps) (maximum)
	Switch 4900 SX: 3 A (amps) (maximum)
	Switch 4924 and 4950: 4.5 A (amps) (maximum)

Standards Supported	SNMP:	Terminal Emulation:

SNMP protocol (RFC 1157)

MIB-II (RFC 1213)

Bridge MIB (RFC 1493)

RMON MIB II (RFC 2021)

Remote Monitoring MIB (RFC 1757) MAU MIB (RFC 2239)

Telnet (RFC 854)

Protocols Used for Administration:

UDP (RFC 768)

IP (RFC 791)

ICMP (RFC 792)

TCP (RFC 793)

ARP (RFC 826)

TFTP (RFC 783)

DHCP (RFC 2131, RFC 2132, RFC 1534) BOOTP (RFC 951, RFC 1497)

IGMP (RFC 1112 & 2236)

RADIUS (RFC 2865, 1321, & 2869) RMON: (RFC 2819)

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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 Convention Description ConventionsIcon Description Documentation documentation RelatedDocumentation 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 viewSwitch units, it is returned to these defaults Default SettingsSupported by your Switch Installing the Switch Site Package ContentsChoosing a Suitable 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-requisitesSetting Up the Switch with IP Information Connecting the Workstation to the SwitchConfiguring the Workstation 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 Automatically Configured IPViewing 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 viaChoosing a Browser Setting Up WebInterface Over the Network Http//xxx.xxx.xxx.xxxPasswords Setting Up SnmpDefault Users 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 Pin to 9-pin PC-AT Serial CableNull Modem Cable 9-pin to RS-232 25-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