Video Over Fiber Test - Version 2.14 The Thor Broadcast Video Over Fiber test system is used to determine if the Thor Broadcast Video Over Fiber Transmitter and Receiver systems are working properly. The test system uses a network protocol to determine if the host is up. If the host talks back then the system knows that the Thor Broadcast Video Over Fiber system is functioning properly, and will report this back to the user. In this way we have a good idea that the Video over fiber system is working. Thor manufactures many different over fiber products. Fiber Optic Transport is used in many different fields. If you have a signal over fiber problem, contact Thor Broadcast today. This unit is for sending 1 composite - baseband video and 2 Audio over a single fiber. Pure digital, broadcast quality, 12bit transmission system for video and audio signals for broadcasting applications Fiber Optic Video Audio Transmitter, digitizes video