Requests and suggestions... Maybe even something quite small that allows you to use our product.Perhaps you would like to suggest a completely new product and entrust us with the development.Tell us what you’d like and what it could do for you. We’ll see what we can do... I just looked over the data sheet ST fiber-optic line <> RS422/RS485 interface. Can you ... If you accept my suggestion, I would benefit as follows: If you would like a reply from us, please provide your n and e-mail address: Name: (optional) E-mail address: (optional) Submit Back to data sheet No risk of spam! Your data are kept secure and used only for processing your request. The data are never shared with third parties for any reason.