We use these converters all the time. They are very useful units. Depending on the optics they can transport the signal to distances of up to 120 Km. You can also carry a lot of video signals with this approach. ASI is a very useful protocol for video transport. DVB-ASI is a digital video transport stream that runs at 270 Mbit and carries a total of 210 Mbit for video bandwidth. ASI is used to carry MPEG transport streams, known as programs.
ASI is a foundation of the modern broadcasting industry. We deal with these units on a daily basis, for transporting ASI signals from television studios to cable company headends. The beauty of ASI is that you can do whatever you want with that digital bandwidth. You can pack as many as 10 standard definition television programs onto one transport stream.
I’m an engineer at a fiber optics telecom company thorfiber https://www.thorfiber.com . I would be happy to answer any questions about this equipment or related hardware.
https://www.thorfiber.com/