3Com S21x installation manual Power Requirements, Power Supply, Description, Safety, Physical

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Power Requirements

PathBuilder S21x switch typically has the following power requirements:

•100 to 240 VAC nominal at 47 to 63 Hz

•32 watts input power (64 VA)

•maximum input current 0.7 amps

Power Supply	PathBuilder S21x switch products are powered by a switch mode power supply with
Description	22.5 watts maximum output power.
Safety
	PathBuilder S21x switch meets the following safety standards:
	•	EN60950
	•	CSA 950
	• UL Listed per UL 1950
Physical
	PathBuilder S21x switch has the following measurements:
	• Height: 2.75 in. (6.7 cm)

• Length: 6.7 in. (17 cm)

• Width: 9.5 in. (24.5 cm)

• Weight: 2.2 lb (1.0 kg)

A-2	Specifications

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Contents 3Com Corporation Restricted Rights Notification for U.S. Government Users Restricted Rights LegendProprietary Material Page About This Manual OverviewTrademarks Product Company/OrganizationAbout This Manual How to Use This Manual Chapter DescriptionsThis section Describes Documentation Related DocumentationOther PathBuilder S200Page Contents Contents Chapter CTP Port FeaturesStandard Features Dual DaughtercardDual FXS Voice Voice RelayDaughtercard RelayDIM Site RFC 877 ServiceFrame Relay RFCTarget Application Environments Security Monitoring Central Office At Branch Office Target Application Environments Installing the PathBuilder S21x Switch Hardware Overview Step To Perform This Action See This ProcedureChecking Your Shipment Contents Choosing a Site Proper Cable and Air Clearance Cabling the PathBuilder S21x Switch Port Characteristics Cable Requirements Port Connector Interface Cable Required SpeedPort DIM Interface Connector 10BaseT Ethernet CableSwitch Setting Front Panel Dip SwitchesSwitches Switch Down Posn NameInstalling Optional Daughtercards OptionalDaughtercards Battery Disposal Installing or Removing the Lithium BatteryBattery Type Routine BatteryCoversteps Step ActionInstalling Battery RemovingPowering on the PathBuilder S21x Switch Overview This chapter describesPowering On The PathBuilder S21x Switch SwitchPowerup Diagnostics Panel LEDsPower Up Stage When This indicatesSequence Accessing the Control Terminal Port Page Software SpecificationsHardware Environmental Electromagnetic CompatibilitySafety Power RequirementsPower Supply DescriptionAppendix B CTP Access Cable CTP Cable Connector PinoutRJ45 Pin Signal Pin Connection On DB25F Adapter Pin SpecificationVoice Relay Cable Name FunctionDual FXS Voice Relay Cable FXS10BaseT Crossover Cable Figure B-1. RJ45 PinoutCamera Interface Connector Pinout RemoteVu Video CablesPin Function Pin Signal Function DSU Daughtercard CableCable Pinout Pin Function/Signal Name 35/V.36 Cable35/V.36 DCE 35/V.36 DTE Cable Pin Function/Signal Name TXD TXD RXD RTS CTS DSR Cable Appendix C This AppendixWhile Setting Up Your Configuration CheckingConnection Must be set to Step Action Technical Support Access by Analog Modem Country Data Rate Telephone NumberSupport from 3ComCountry Telephone Number Returning Country Telephone Number Fax NumberIndex NumericsURL