PS2 Mouse

Hi everybody !

I have a little problem when I try to make this program :

http://www.arduino.cc/playground/ComponentLib/Ps2mouse

It's sending : Sending reset to mouse Sending FFFFFFFF to mouse RTS

And nothing more :/ I have connect the good pin to +5V and ground and the other pin to arduino digital pin.

Anybody could help me please ?

PS : Sorry for my bad english I'm a french student.