Step-by-step guide to connecting a serial console cable to a switch or router from Windows and Linux. Hi, I'm working with a Catalyst 3650, using PuTTY as the terminal interface. I installed a new ios image on friday due to an accidental deletion of the original image from flash (it's now monday). Connection via console cable was working fine on friday night, even after power cycling the device. Connecting to a device's console port allows you to configure it from the CLI when starting up for the first time, or if remote access is not available (ssh, http etc. ). ), the connection is made. For installation sites with only 1 Ethernet cable available for the 2 serial port servers, an Ethernet switch is available as an option. De-energize the cabinet:. If I connect the serial port of the server to the switch through a Serial to Ethernet adapter, will my computer be able to access that Serial Console, or will I have to connect the server directly to the computer? NOTE: the switch is a smart managed Ethernet switch, not a Serial COM switch. I am. The S4048-ON Switch has different default settings for Micro USB console and RS-232 console. Note: Under Properties, select VT100 for Emulation mode.