Getting Junk character in minicom

Aditya Singh
HI All, 

I am getting junc character when connecting using minicom ...

I am using usb to serial converter.
In minicom I have changed the serial device as /dev/ttyUSB0 


[ 2444.664019] usb 2-1.1: Product: USB 2.0 To COM Device
[ 2444.664024] usb 2-1.1: Manufacturer: Prolific Technology Inc.
[ 2444.664846] pl2303 2-1.1:1.0: pl2303 converter detected
[ 2444.666637] usb 2-1.1: pl2303 converter now attached to ttyUSB0

uname -a  ::
Linux aditya-Aspire-E1-571 3.5.0-34-generic #55~precise1-Ubuntu SMP Fri Jun
7 16:32:06 UTC 2013 i686 i686 i386 GNU/Lin

I am not sure what the problem is..

Any expert suggestion please  :)

Thanks in advance ..

 �ro�@Frie�dl�ARM /]# �T۰S7=45
S0=0 L1V1 �4 &c1 �1 Q�                                
�/bi�/sh� AT: no� foun                         
-/b�n/s�: c1: no� foun
�1] + Do�e(127)                 AT
S�����=45S=0 L1 V1 X
[ro�t@Fri�ndl�ARM /]# l
�in0�       �ome      
[1�34�lost廿�ou�� 4m�rocm  
    1;�4msys        ;34�var
de�         4mlib0�        4mm�t        
;34mroo�[0�        34mtmp        �w
34�etc0�        泠6ml�nux�cm    
�mo�       bin      ;34mus�0m
[roo�@F�ienl��R� /�#

First thing I'd check is ... have you set up the baud rate correctly.