3Com 16985ua.bk manual Physical Dimensions, Environmental Requirements, Safety, Heat Dissipation

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C	TECHNICAL SPECIFICATIONS

Physical Dimensions	Height: 43.6mm x Width: 440mm x Depth: 247.5mm
	Weight: 5kg (11lbs)

Environmental Requirements
Operating Temperature	0° to 50°C (32° to 122°F)
Storage Temperature	–10° to +70°C (14° to 158°F)
Operating Humidity	10–95% relative humidity, non-condensing
Standards	EN60068 (IEC68) — various parts

Safety
Agency Certifications	UL 1950, EN60950, CSA 22.2 No. 950, IEC 60950

EMC
Emissions	EN55022 Class A, FCC Part 15 subpart B Class A, ICES-003 Class A,
	VCCI Class A, AS/NZS 3548 Class A, CNS 13438 Class A
Immunity	EN50082-1

Heat Dissipation	75 watts maximum

Power Supply
AC Line Frequency	50/60Hz
Input Voltage Options	90–240 VAC
Current Rating	3amps (maximum)

	(continued)

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Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN -OUTS Page Page About this Guide Icon Description ConventionsConvention Description Documentation RelatedProduct YearCompliance CommentsIntroducing the Switch 3300 MM Summary of Features About SuperStack Switch 3300 MMSwitch 3300 MM front view Switch 3300 MM Front View DetailColor Indicates Port Status LEDs Power/Self Test LEDUnit LEDs Power Socket Switch 3300 MM Rear View DetailUnits on Examples ConfigurationSwitch 3300 MM as a NetworkUsing the Switch as a collapsed backbone SwitchUsing the Switch in a desktop environment Fast Ethernet configuration rules Configuration Rules with Full Duplex Introducing the Switch 3300 MM Installing the Switch Rack-mounting Fitting a bracket for rack mounting Repeat steps 2 and 3 for the other side of the SwitchTreated as a single manageable unit with one IP address Stacking UnitsStacking Units Stack of three units Sequence Power-upPowered-up and ready for operation Switch 3300 MMColor State ChoosingCorrect Cables Port, you need a cross-over cable. Most of the 10BASE-TProblem Guide SwitchNetwork. For information on managing the Switch using ManagingSafety Information Information Important SafetyPersonnel only Important Safety Information Étroites ’information deSécurité Importante Personnel qualifié’information de Sécurité Importante Wichtige Sicherheitsinformat ionen Pin to 9-pin Null Modem CablePC-AT Serial Cable Pin to RS-232 25-pin RJ45 Pin Connectors Pin Number Signal Function Modem CablePin Number Signal Function Appendix B PIN-OUTS Environmental Requirements Physical DimensionsSafety Power SupplyVlan MIB RFC Online Technical ServicesUsername anonymous Country Telephone Number Asia, Pacific Rim Europe, South Africa, and Middle EastCountry Telephone Number Fax Number Glossary Ethernet BroadcastCollision EndstationLine speed See baud Repeater LoopMulticast ProtocolTelnet ServerStack SuperStackGlossary Index Index 3Com Corporation Limited Warranty Page Disclaimer Regulatory Notices