© Copyright 2012, American Fibertek, Inc. 11-01-12BLB
Instruction Manual
MT-915C
Video Transmitter With
Bi-directional Multi-Protocol Data
And Bi-directional Contact Closure
Страница 1: ... Copyright 2012 American Fibertek Inc 11 01 12BLB Instruction Manual MT 915C Video Transmitter With Bi directional Multi Protocol Data And Bi directional Contact Closure ...
Страница 2: ... bi directional data over one multimode fiber optic cable The MT 915C multiplexes a single video input signal along with up to two data signals into a high speed serial data stream This serial data stream modulates a laser at 1310 nm wavelength The MT 915C also detects and demultiplexes a return optical serial data stream signal containing up to two data channels at 1550 nm wavelength The 915 Seri...
Страница 3: ...USA and in Canada an American Fibertek PS 12D is supplied with this unit The negative side of the power input is directly connected to ground ANSI NFPA 70 Class 2 wiring is recommended POWER CONNECTION Power is supplied to the unit via a two pin terminal connector on the right side of the unit Follow the label on unit for proper orientation of 12 volt dc and ground FIBER CONNECTION The fiber optic...
Страница 4: ...minal of the MT 915C and the minus is connected to the minus The reverse flow of data from the MT 915C to the copper device follows the same pattern Not all manufactures follow standard EIA terminology Consult the installation instructions for your copper device if you are unsure which two wires are the drive data out wires and which two wires are the receive data in wires CONTACT CLOSURE INPUT OU...
Страница 5: ...e transmitter devices to reside on the same wire pair The software must dictate a protocol that allows only one device to transmit at any one time to prevent data crashes In many cases the system head end controller will continuously poll data 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 comm...
Страница 6: ...f Data Flow Not Detected DATA 1 RX A green LED indicator is provided to monitor the data coming in from the fiber through the MT 915C and out onto the electrical interface The intensity of this indicator will vary with input data patterns however in typical applications it will cycle on and off as data is received Data received status associated with this LED is summarized below DATA 1 RX LED Data...
Страница 7: ...the RR 915C DC power and optical input status associated with this LED are summarized below Optical Level Indicator DC Power Status Optical Status Green On Proper Optical Input Power Present Red On Optical Input Not Detected Off Off Check Power Supply SYNC A bi color LED indicator is provided to monitor the proper serialization of the electrical data stream through the MT 915C and out onto the fib...
Страница 8: ...R THE FOREGOING WARRANTY THERE IS NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE EXPRESSED OR IMPLIED WHICH EXTENDS BEYOND THE WARRANTY SET FORTH IN THIS AGREEMENT In any event American Fibertek will not be responsible or liable for contingent consequential or incidental damages No agreement or understanding expressed or implied except as set forth in this warranty...