3Com S21x Voice Relay, Dual FXS Voice, Daughtercard RemoteVu, DSU Daughtercard

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		Features
Daughtercard Functionality
Introduction
	The PathBuilder S21x switch is available with the optional components listed below
	factory-installed or as separate add-in daughtercards.
	•	Voice Relay Daughtercard
	• Dual FXS Voice Relay Daughtercard
	•	RemoteVu Daughtercard
	•	DSU Daught ercard
	•	DIM Daughter card
	•	DRAM SIMMs
	Refer to the PathBuilder S200 Series Switch Daughtercard Installation Manual
	(T0020) for information on the installation of optional daughtercards.
Voice Relay
	The PathBuilder S21x switch supports the Voice Relay Daughtercard. This
Daughtercard	daughtercard supports one voice channel, using either an analog FXS or FXO
	interface. Both interfaces use RJ11 connectors.
Dual FXS Voice
	The Dual FXS Voice Relay Daughtercard provides two FXS interface ports and
Relay	support one voice channel each. The FXS port uses RJ45 connectors.
Daughtercard
RemoteVu
	The PathBuilder S21x switch supports video over Frame Relay using the RemoteVu
Daughtercard	daughtercard. The RemoteVu Daughtercard provides two BNC connector, video
	ports accepting NTSC, PAL or SECAM video signal standards and an RJ-45, RS232/
	485 camera control port used for Pan/Tilt/Zoom (PTZ) camera control.
DSU Daughtercard
	The DSU daughtercard functionality suits an extended range of 56 kbps

point-to- point DDS1 interfaces that conforms to AT&T 62310 or ANSI T1E1.4/91-006.

The DSU is FCC Part 68 registered.

Diagnostic loopbacks from the telephone company are supported; local diagnostics are activated from the CTP.

About the PathBuilder S21x Switch

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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 Chapter DescriptionsThis 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 Characteristics Cable Requirements Port Connector Interface Cable Required SpeedPort DIM 10BaseT Ethernet Cable Interface ConnectorSwitch Down Posn Name Front Panel Dip SwitchesSwitches Switch SettingInstalling Optional Daughtercards OptionalDaughtercards 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 DiagnosticsPower Up Stage When This indicatesSequence Accessing the Control Terminal Port Page Environmental Electromagnetic Compatibility SpecificationsHardware SoftwareDescription Power RequirementsPower Supply SafetyAppendix B CTP Access Cable CTP Cable Connector PinoutRJ45 Pin Signal Pin Connection On DB25F Adapter Name Function SpecificationVoice Relay Cable PinFXS Dual FXS Voice Relay CableFigure B-1. RJ45 Pinout 10BaseT Crossover CableCamera 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 This Appendix Appendix CWhile Setting Up Your Configuration CheckingConnection Must be set to Step Action Technical Support Country Data Rate Telephone Number Access by Analog ModemSupport from 3ComCountry Telephone Number Country Telephone Number Fax Number ReturningNumerics IndexURL