The following guide will walk you through on setting up Serial Console Cable on a via line.

First of all, make sure you have a program called Minicom installed.

I will be using flavored Operating System for demonstration purposes.

Then you need to connect the USB Serial adapter and find out which serial port is it connected to.

dmesg | grep USB

You will see something similar to this output.

[    6.804403] usb 1-1.3: pl2303 converter now attached to ttyUSB0

Make sure you chmod 777 /dev/ttyUSB0 so minicom will allow you to save the config.

Open up minicom by running the command minicom -s and select Serial port

Reflect the output you saw from dmesg and set it to the Serial Device by pressing AE > C

A – Serial Device : /dev/ttyUSB0
E – Bps/Par/Bits : 9600 8N1

Please see the following screenshot for more info.


Then Save setup as dfl then exit.

You should be able to login via the console port like the following…

Welcome to minicom 2.6.1

OPTIONS: I18n                                                                
Compiled on Apr 28 2012, 19:24:31.                                           
Port /dev/ttyUSB0                                                            
Press CTRL-A Z for help on special keys                                                                                            
iNET (ttyu0)                                                                                                                       
iNET (ttyu0)                                                                 
login: nish                             
--- JUNOS 10.1R1.8 built 2010-02-12 18:31:54 UTC                             

If you wish to exit Minicom, use the command Ctrl A then Z then X.

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