RDL TX-AVX Automatic Video Switch 2x1 BNC

Automatic Video Switch - 2x1 - BNC The TX-AVX is the ideal choice in installations where automatic switchover to an alternate video source is needed when the primary signal is lost. The unique power supply input allows the TX-AVX to be powered from a wide variety of existing ac or dc power sources. The TX-AVX has two video inputs and a single output. The detection circuit bridges the INPUT line. When a valid NTSC or PAL video signal is detected, the INPUT jack is connected to theOUTPUT jack. The output is designed to connect to a 75 Ω terminated load. In the absence of video input at the INPUT jack, the AUX INPUT jack is connected to the OUTPUT jack. The switching is accomplished by means of a high-quality RF relay. If power to the TX-AVX is interrupted, then the AUX INPUT jack is connected to the OUTPUT jack. The INPUT jack is 75 Ω terminated. The AUX INPUT is terminated when it is connected to the OUTPUT and is unterminated when it is not in use. Video detection is based on valid syn