Nortel Networks 1500 manual T1 CSU/DSU WAN Interface Optional, T1 CSU/DSU Cable Pinouts

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Cabling the Switch

T1 CSU/DSU WAN Interface (Optional)

The T1 CSU/DSU WAN interface is available for the Contivity Extranet Switch 1530. The T1 CSU/DSU WAN crossover cable crosses the blue pair with the orange pair. This is different from the commonly available crossover cable, which crosses the green pair with the orange pair. No cables are supplied with the T1 CSU/DSU. Table 3-2 shows the cable pinouts.

Table 3-2.	T1 CSU/DSU Cable Pinouts

DB26S	Signal	T1 CSU/DSU

1	RXDA->TXDA	5

2	RXDB->TXDB	4

3	not used	3

4	TXDB<-RXDB	2

5	TXDA<-RXDA	1

6	not used	6

7	not used	7

8	not used	8

The cable will operate properly if pins 3, 6, 7, and 8 are not connected.

3-7

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Contents Part No -B Rev February Restricted Rights Legend Accuracy NoticeCopyright 2000 Nortel Networks, Inc TrademarksContents Chapter Assigning a System Identity Chapter Extranet Access Client Installation Page Preface Documentation ConventionsText User InterfaceHelp Button Related Publications Related PublicationsNortel Networks Technical Publications Technical Solutions Center Telephone Number Nortel Networks Customer ServiceSwitch Introducing the Contivity Extranet SwitchAn Intranet and the Internet Make Up an Extranet Shows a front view of the Switch Components List Selecting a Site Chapter Preparing Your SiteHazardous Conditions Inside the Switch Safety GuidelinesSwitch Power ON/OFF Check the Voltage SwitchExternal Vent Cooling and Airflow Page Chapter Cabling the Switch Extranet Switch Back View Connecting the CablesCurrent Rating Power Cord RequirementsWall Outlet Connector Power Supply ConnectorConnector Pinouts LAN Interface ConnectionsLAN Speed Selection DB26S-to-V.35 Cable Pinouts Single V.35 WAN Interface OptionalM0-SIGNAL Ground M1-SIGNAL Ground T1 CSU/DSU Cable Pinouts T1 CSU/DSU WAN Interface OptionalSerial Interface Cable Optional Multi-DB-9 and DB-25 Connector PinoutsLAN Port LED Indicators Understanding the LEDsLAN Port LEDs Single V.35 LEDs Single V.35 LED IndicatorsT1 CSU/DSU LEDs T1 CSU/DSU LED Indicator10/100BASE-TX LAN LEDs 10/100BASE-TX LAN LED Card IndicatorsChapter Assigning a System Identity Initial Configuration OptionsSubnet Mask Startup Configuration RequirementsDefault Gateway Optional Management IP AddressIP Address Configuration Utility Running the IP Configuration UtilityRequirements Serial Number Search Display Assigning a System Identity Prerequisites Serial Interface ConfigurationProcedure Sample Serial Interface Display Platforms Supported Chapter Managing the SwitchDisplay Setting Recommended Web BrowsersPreparing for Configuration Configuration Alternatives Extranet Switch Welcome DisplaySwitch Welcome Display Registration Guided ConfigurationManage Extranet Switch Quick StartLogging in and Supplying a Password Quick Start Prerequisites Display Quick Start Configuration PrerequisitesRequired Environment Point-to-Point Tunnel Protocol Pptp tunnel access methodPost Configuration Testing Quick Start Configuration Display ConfigurationSubnet Mask Default GatewayInterfaces IP AddressPrivate PasswordPptp Users PublicAdministrator Confirm PasswordRemote User Static IP Address Time Automatic BackupDate and Time DateWindows Chapter Extranet Access Client InstallationPage Windows 98 and Windows NT Page Declaration of the Manufacturer or Importer Appendix a Specifications and CompliancePhysical Operating EnvironmentSafety Compliance Electromagnetic Compatibility EMCHarmonics Statement of Conditions Appendix B Special NoticesPage Nortel Networks NA, Inc. Software License Agreement Page Special Notices Radius Remote Authentication Dial-In User Service Special Notices Page Numerics IndexIndex-2 Index-3