Cope this and paste it into your MikroTik's terminal:


:beep frequency=740 length=188ms; 
:delay 198ms; 
:beep frequency=740 length=188ms; 
:delay 198ms; 
:beep frequency=740 length=188ms; 
:delay 198ms; 
:beep frequency=587 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=494 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=659 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=659 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=659 length=188ms; 
:delay 198ms; 
:beep frequency=831 length=188ms; 
:delay 198ms; 
:beep frequency=831 length=188ms; 
:delay 198ms; 
:beep frequency=880 length=188ms; 
:delay 198ms; 
:beep frequency=988 length=188ms; 
:delay 198ms; 
:beep frequency=880 length=188ms; 
:delay 198ms; 
:beep frequency=880 length=188ms; 
:delay 198ms; 
:beep frequency=880 length=188ms; 
:delay 198ms; 
:beep frequency=659 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=587 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=740 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=740 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=740 length=188ms; 
:delay 198ms; 
:beep frequency=659 length=188ms; 
:delay 198ms; 
:beep frequency=659 length=188ms; 
:delay 198ms; 
:beep frequency=740 length=188ms; 
:delay 198ms; 
:beep frequency=659 length=188ms; 
:delay 198ms; 
:beep frequency=740 length=188ms; 
:delay 198ms; 
:beep frequency=740 length=188ms; 
:delay 198ms; 
:beep frequency=740 length=188ms; 
:delay 198ms; 
:beep frequency=587 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=494 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=659 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=659 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=659 length=188ms; 
:delay 198ms; 
:beep frequency=831 length=188ms; 
:delay 198ms; 
:beep frequency=831 length=188ms; 
:delay 198ms; 
:beep frequency=880 length=188ms; 
:delay 198ms; 
:beep frequency=988 length=188ms; 
:delay 198ms; 
:beep frequency=880 length=188ms; 
:delay 198ms; 
:beep frequency=880 length=188ms; 
:delay 198ms; 
:beep frequency=880 length=188ms; 
:delay 198ms; 
:beep frequency=659 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=587 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=740 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=740 length=188ms; 
:delay 198ms; 
:delay 188ms; 

:beep frequency=740 length=188ms; 
:delay 198ms; 
:beep frequency=659 length=188ms; 
:delay 198ms; 
:beep frequency=659 length=188ms; 
:delay 198ms; 
:beep frequency=740 length=188ms; 
:delay 198ms; 
:beep frequency=659 length=188ms; 
:delay 198ms;