3Com S21x installation manual Appendix B

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		Appendix B
		PathBuilder S21x Switch Cabling
Overview

Introduction
	This Appendix identifies the cables and pinout requirements for the PathBuilder
	S21x switch. The following cables are described in this appendix:
	•	CTP Access Cable
	• Dual FXS Voice Relay Cable
	•	10BaseT Crossover Cable
	•	RemoteVu Video Cables
	• DSU Daught ercard Cable
	•	V.35/V.36 Cable
	•	V.11 Cable
	•	V.24 Cable
Daughtercard
	Cables for optional daughtercards are shipped with the daughtercards. If your

Cable Information PathBuilder S21x switch is shipped with pre-installed daughtercards you will receive the cables. For daughtercard installation and more cable information, please refer to the PathBuilder S200 Series Daughtercard Installation Guide (Part Number, T0020).

Ordering Cables To order cables please contact a 3Com representative. In addition to the cables listed above the following cables can be ordered:

• DB25 Male to M34 Female cable

• DB25 Male to M34 Male cable

PathBuilder S21x Switch Cabling

B-1

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Contents 3Com Corporation Restricted Rights Legend Restricted Rights Notification for U.S. Government UsersProprietary Material Page Overview About This ManualProduct Company/Organization TrademarksAbout This Manual How to Use This Manual Descriptions ChapterThis section Describes PathBuilder S200 Related DocumentationOther DocumentationPage Contents Contents Chapter Dual Daughtercard FeaturesStandard Features CTP PortRelay Voice RelayDaughtercard Dual FXS VoiceDIM Site RFC ServiceFrame Relay RFC 877Target Application Environments Security Monitoring Central Office At Branch Office Target Application Environments Step To Perform This Action See This Procedure Installing the PathBuilder S21x Switch Hardware OverviewChecking Your Shipment Contents Choosing a Site Proper Cable and Air Clearance Cabling the PathBuilder S21x Switch Port Port Connector Interface Cable Required Speed Characteristics Cable RequirementsPort DIM 10BaseT Ethernet Cable Interface ConnectorSwitch Down Posn Name Front Panel Dip SwitchesSwitches Switch SettingOptional Installing Optional DaughtercardsDaughtercards Routine Battery Installing or Removing the Lithium BatteryBattery Type Battery DisposalStep Action CoverstepsRemoving Installing BatteryThis chapter describes Powering on the PathBuilder S21x Switch OverviewSwitch Powering On The PathBuilder S21x SwitchPanel LEDs Powerup DiagnosticsStage When This indicates Power UpSequence Accessing the Control Terminal Port Page Environmental Electromagnetic Compatibility SpecificationsHardware SoftwareDescription Power RequirementsPower Supply SafetyAppendix B CTP Cable Connector Pinout CTP Access CableRJ45 Pin Signal Pin Connection On DB25F Adapter Name Function SpecificationVoice Relay Cable PinFXS Dual FXS Voice Relay CableFigure B-1. RJ45 Pinout 10BaseT Crossover CableRemoteVu Video Cables Camera Interface Connector PinoutPin Function DSU Daughtercard Cable Pin Signal FunctionCable Pinout 35/V.36 Cable Pin Function/Signal Name35/V.36 DCE 35/V.36 DTE Cable Pin Function/Signal Name TXD TXD RXD RTS CTS DSR Cable This Appendix Appendix CChecking While Setting Up Your ConfigurationConnection Must be set to Step Action Technical Support Country Data Rate Telephone Number Access by Analog Modem3Com Support fromCountry Telephone Number Country Telephone Number Fax Number ReturningNumerics IndexURL