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FUNCTIONAL DESCRIPTION The MT-91P089 operates as half of a transmitter / receiver pair for the transmission of high performance 10 bit digital NTSC, PAL, RS170, or RS343 video signals. The MT-91P089 also supports one bi-directional channel of four wire audio and one bi-directional channel of contact closure.
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A green LED indicator is provided to monitor the audio / contact closure coming in from the electrical interface, through the MT-91P089, and out onto the fiber. The intensity of this indicator will vary with input audio levels, however in typical applications it will cycle on and off as audio is transmitted. Audio / contact closure transmission status associated with this LED is summarized below.
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A bi-color LED indicator is provided for the video input to the MT-91P089. DC power and video status associated with this LED is summarized below. Video Presence LED DC Power Status Video Status Green Proper Input Video Present Input Video Not Detected...
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