While not part of the new CCNA 200-301 exam objectives, I am showing this information in this guide to assist those readers using older equipment as part of their learning experience.įigure 4 shows the DB-60 end of a serial cable that connects to a 2500 series router.įigure 5 shows the newer smart serial end of a serial cable that connects to a smart serial port on your router. Places that use older equipment for their hand-on labs may use serial connections. I use serial connections in my Portable Command Guides to differentiate between point-to-point connections and LAN connections. Table 1 shows the various port types and connections between LAN devices.Īs I mentioned in the article “ Variable Length Subnet Masking (VLSM),” most networks today no longer use serial connections between routers Ethernet connections are faster and are now the de facto standards for interconnecting devices. The OS driver for the USB cable connection is available on the website.įigure 3 illustrates the settings that you should configure to have your PC connect to a router or switch.įigure 3 PC Settings to Connect to a Router or Switch If a cable is plugged into the USB port, the RJ-45 port becomes inactive. Only one console port can be active at a time. Figure 2 shows a Cisco device that can use either a mini-USB connector or a traditional RJ-45 connector.įigure 2 Different Console Port Connections A USB cable (USB type A to 5-pin mini type B) and operating system driver are needed to establish connectivity. On newer Cisco devices, a USB serial console connection is also supported. Using a USB Cable to Connect to Your Cisco Router or Switch Connecting a Rollover Cable to Your Cisco Router or Switchįigure 1 shows how to connect a rollover cable from your PC to a router or switch.
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