American Fibertek MT-1890 Instruction Manual

Video transmitter with bi-directional 4-wire audio and bi-directional contact closure

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Instruction Manual
MT-1890
Video Transmitter With
Bi-directional 4-Wire Audio
And Bi-directional Contact Closure
© Copyright 2007, American Fibertek, Inc. 0726JD

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Summary of Contents for American Fibertek MT-1890

  • Page 1 Instruction Manual MT-1890 Video Transmitter With Bi-directional 4-Wire Audio And Bi-directional Contact Closure © Copyright 2007, American Fibertek, Inc. 0726JD...
  • Page 2 The MT-1890 converts a video input, an audio input, and a contact input into an optical output using a 1300 nm wavelength source. The MT-1890 also converts an optical input signal returning on the same fiber into a single audio output and a contact output using an 850 nm wavelength detector.
  • Page 3 Please note that Audio In on the MT-1890 becomes Audio Out on the MR-1890 or RR-1890 after going across the fiber. The reverse flow follows the same orientation. For optimum performance the audio cables should be the...
  • Page 4 The MT-1890 provides the following LED status indicators to aid in installation and troubleshooting: A bi-color LED indicator is provided for the video input to the MT-1890. Internal DC power and video status associated with this LED is summarized below.

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