3Com S21x installation manual Step Action

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While Setting Up Your Configuration

Step

Action

4

If the RX Frame count increases, but the Tx Frame Count does not, the problem is most likely due to misconfiguration in the IP router Interface #1. Make sure that the IP addresses and IP address mask (select menu option Router -> IP Interfaces -> Interface 1) are set properly.

Pinging the Local Once you are successful in getting ping responses from the local LAN interface, you

WAN Interface can proceed to ping the local WAN interface (“ping 10.10.20.1” in the example). If there is no response, then check the following:

Step

Action

1Confirm that the IP interfaces (either 5 or 6) of the WAN link that you are trying to ping are configured for Enable. (Select menu item Router->Configure Interface States.)

2Confirm that the IP address and IP address mask of the WAN interface you are pinging are configured properly.

C-4	Troubleshooting Your PathBuilder S21x Switch

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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 Related Documentation OtherDocumentation PathBuilder S200Page Contents Contents Chapter Features Standard FeaturesCTP Port Dual DaughtercardVoice Relay DaughtercardDual FXS Voice RelayDIM Site Service Frame RelayRFC 877 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 CableFront Panel Dip Switches SwitchesSwitch Setting Switch Down Posn NameInstalling Optional Daughtercards OptionalDaughtercards Installing or Removing the Lithium Battery Battery TypeBattery Disposal 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 Specifications HardwareSoftware Environmental Electromagnetic CompatibilityPower Requirements Power SupplySafety DescriptionAppendix B CTP Access Cable CTP Cable Connector PinoutRJ45 Pin Signal Pin Connection On DB25F Adapter Specification Voice Relay CablePin 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