3Com Router 3012 Installation Manual

3Com Router 3012 Installation Manual Manual pdf 24 page image

24 CHAPTER 2: INSTALLING THE R OUTERIf you repeat this procedure several times and the POWER LED remains off, see“The Power LED is Off.” on page 49.Figure 12 illustrates the power supply.Figure 12 Router 3000 Power SupplyConnecting the Routerto the ConsoleTerminalThe Router 3000 provides a console port, through which you can configure therouter.The console cable is an 8-core shielded cable. The end that is used to connect tothe console port of the router has an RJ-45 connector. The other end of theconsole cable has both a DB-9 (female) adapter and a DB-25 (female) adapter. Usethe appropriate connector for the port on the console terminal.See Appendix A for the illustration and pinout details of the console cable.To configure the router through the console terminal:1 Turn off power to the router.2 Select a console terminal — This can be either a standard ASCII terminal with anRS-232 serial port, or a PC.3 Connect the cable — Turn the power switch off, and then connect the serialinterface of the console cable to the console port of the router.After connection, power on the router. The startup information of the router isdisplayed on the console terminal.Connecting the Routerto the EthernetThe Router 3000 routers provide a fixed 10/100BASE-TX fast Ethernet port thatuses category-5 twisted pair cable.See Chapter A for the illustration and pinout details of the Ethernet cables.Note the following before you connect:■ The fixed Ethernet cables are supplied with the router.■ Use shielded cables to ensure electromagnetic compatibility.■ Identify the mark on the module port so you can plug the cable in correctly.■ When connecting the Ethernet cable to a LAN Switch, plug the cable into the10/100BASE-T port marked with MDIX.