thx for help, My barcode reader can be configured to RS232 or keyboard wedge or Wand Emulation, I was test with RS232 and keyboard, and it´s works fine on my pc, now i need to configure and use the reader with WAND EMULATION interface. U know this inteface?

Pinout is:

1 - +5v
2 - DATA
3 - GND

thanks again