DTE cable assembly | 3Com 5000 specification

Router to WAN Connection 37

Figure 19 X.21 DTE cable assembly

■X.21 DCE cable assembly

Figure 20 X.21 DCE cable assembly

The synchronous/asynchronous series interface matches a DB28 connector, and current these types of synchronous/asynchronous series interface cables are supported:

■V.24 (RS232) DTE cable: DB25 (male) connector

■V.24 (RS232) DCE cable: DB25 (female) connector

■V.35 DTE: 34PIN (male) connector

■V.35 DCE: 34PIN (female) connector

■X.21 DTE: DB15 (male) connector

■X.21 DCE: DB15 (female) connector

The following figures show the cable assembly of all these types:

■V.24 DTE cable assembly

Image 37

3Com 5000 manual DTE cable assembly

Contents

3Com Router 5000 Family 3Com Corporation Campus Drive Marlborough Page Page Contents Register Your Product to Gain Service Benefits Introduction Software Maintenance under v 3.11 Environment Contents Contents About This Guide Related ConventionsDocumentation Pddtechpubscomments@3com.com Comments About This Guide Router About Ethernet access solution By extending SICs and MIMs, 3C13701 3Com Router System Description Router 5012 IndicatorsSystem description of 3Com Router SLOT1~3 READY/ACTIVE 3C13751 Ready LEDs of 3Com 5232 Router Nvram 3C13755 Router 5642 Indicators3Com Router 5642 Front view of 3Com Router Router 5642 Indicators 3Com Router 5682 Front view of 3Com Router 3C13759 Router 5682 Indicators Introducing the Router 5000 Family Installing Installing the Router on a WorkbenchRouter in a Rack Standard rack, as shown in Figure Pgnd Wire Power Cords Grounds and Cables AC Power Cord AC power supply Power Cord AC Power Connector Recommended power outlet Console cable Console Terminal Introduction to console portAttributes of the console port Introduction to the Ethernet interface Router to LAN ConnectionEthernet cable Attributes of the Ethernet interface Connection Router to WANIntroduction to the AUX port AUX cable Attributes of the synchronous/asynchronous serial interface WAN Interface to Transmission rate and distance of V.24 RS232/V.35 cable Attributes of the synchronous/asynchronous serial interface DTE and DCE DTE cable assembly 24 RS232 DCE cable assembly 35 DCE cable assembly 35 DTE cable assembly 21 DTE cable assembly V24 DTE cable assembly 35 DCE cable assembly 75Ω unbalanced coax cable E1 interface to DSU/CSU120Ω balanced twisted pair cable E1 interface attributes E1 120Ω balanced twisted pair cable T1interface attributes T1 interface to DSU/CSU Connecting the router to a console terminal Setting up Configuration EnvironmentSetting the parameters for console terminal Startup Router Setting the connection port in the local configuration Powering on the router Checking before power-on Checking/operating after power-on Press Enter and the screen will display Characteristics of the command line interface ConfigurationFundamentals Router Interface Command line interface Starting and Configuring the Router Power System TroubleshootingTroubleshooting of nothing being displayed on the terminal Console Sdram Troubleshooting of repeated reboot Application Software Upgrade Troubleshooting Introduction Configuration fileRouter manages three types of files Application image file main software Boot Menu Maintenance underSoftware Environment Default names and types of the boot files =MAIN B=BACKUP S=SECURE Flag set successfully Upgrading the application image Upgrading Software through Xmodem Download completed Upgrading the entire Boot ROM image Upgrading the application image through Ethernet Router Software Maintenance Software Maintenance under v 3.11 Environment Password loss. They can help you to set a new password Router PasswordDealing with a Loss Solve Problems Online Service BenefitsRegister Your Product to Gain Services WarrantyAccess Software Purchase Extended Telephone Technical Contact UsSupport and Repair Country Telephone Number US and Canada Telephone Technical Support and Repair Appendix a Obtaining Support for Your 3COM Products