AFi MT-91P558 Instruction Manual Download | Manualshive

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© Copyright 2008, American Fibertek, Inc. 0625JD

Instruction Manual

MT-91P558

Video Transmitter With

Bi-directional

Multi-Protocol Data

And Audio

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Summary of Contents for MT-91P558

Page 1: ... Copyright 2008 American Fibertek Inc 0625JD Instruction Manual MT 91P558 Video Transmitter With Bi directional Multi Protocol Data And Audio ...

Page 2: ... Source 3 Power Connection 4 Fiber Connection 4 Video Input Connection 4 Data Input Output Connections 5 Typical System Data Connections 5 Data Configuration 5 RS485 Data Signals 6 Offset Bias RS485 6 MT 91P558 Status LED Indicators 7 Warranty 8 Service Information 8 ...

Page 3: ...serial data stream signal containing two data signals and one audio signal at 1550 nm wavelength The 91P558 Series product is designed to operate over an optical loss budget range of 0 to 12 dB with a maximum distance of 4Km Refer to the data sheet for detailed performance specifications The RS485 channel may be configured for 2 wire half duplex or 4 wire full duplex operation with or without bias...

Page 4: ...nce the video cables should be the shortest length of coax practical AUDIO INPUT OUTPUT CONNECTIONS Audio input and output connections are made via a terminal block on the right side of the unit Follow the label on unit for proper orientation of input and output connections Please note that the far right pin on the label DATA OUT corresponds with the terminal block pin located closest to the base ...

Page 5: ...N NOTE This unit is shipped in the following default configuration Channel 1 RS485 4 wire or Manchester data Channel 2 RS485 4 wire or Manchester data Channel 3 Audio For other configurations please refer to the drawing below for changes to the default switch settings These configuration switches are located on the left side of the unit and can be modified without opening the unit CHANNEL BIAS TER...

Page 6: ...from all remote devices The remote devices all respond back to the head end one at a time as they are addressed The driver chips that are used in RS485 communications are capable of changing into their high impedance state very rapidly On even short lengths of wire there can exist a residual voltage after a driver circuit turns off This can interfere with circuits that are used to detect the Hi Z ...

Page 7: ...typical applications it will cycle on and off as data is received Data received status associated with this LED is summarized below DATA RX LED Data Status Green Data Flow Present Off Data Flow Not Detected AUDIO TX A green LED indicator is provided to monitor the audio coming in from the electrical interface through the MT 91P558 and out onto the fiber The intensity of this indicator will vary wi...

Page 8: ... workmanship Defective products will be repaired or replaced at the exclusive option of American Fibertek A Return Material Authorization RMA number is required to send the products back in case of return All returns must be shipped prepaid This warranty is void if the products have been tampered with This warranty shall be construed in accordance with New Jersey law and the courts of New Jersey s...

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