Dilog dt-335

Hey,
Just wondering if anyone is using usb-uirt with a Dilog dt-355 set top box? It would be great to have confirmed that the two of them till play along before buying them... What are the chances of getting a STB that I will never get to work with USB-UIRT correctly?
Just wondering if anyone is using usb-uirt with a Dilog dt-355 set top box? It would be great to have confirmed that the two of them till play along before buying them... What are the chances of getting a STB that I will never get to work with USB-UIRT correctly?