import telnetlib                   }

    def Open_telnet_connection():

        try:
            username = 'username'
            password = 'password'
            ip = 'xx.xx.xx.xx'
            port = XXXX

            reading_timeout = 5

            connection = telnetlib.Telnet (ip)

            console_output = connection.read_until ("ENTER USERNAME <", reading_timeout)
            print console_output
            connection.write (username + 'rn')

            console_output = connection.read_until ("ENTER PASSWORD <", reading_timeout)
            connection.write (password + 'rn')
            print console_output

            connection.write ("***My command to follow the process***")
            console_output = connection.read_until ("here I can put any text, I use this only to get the output", 600)
            print console_output

        connection.write('***Command instead of Ctrl-C***') ***????***

        connection.close ()
    except IOError:
        print "connection not established"

if __name__ == '__main__':
    Open_telnet_connection ()