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Summary of Contents for AFi MT-91P558
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Page 1: Instruction Manual
Instruction Manual MT-91P558 Video Transmitter With Bi-directional Multi-Protocol Data And Audio © Copyright 2008, American Fibertek, Inc. 0625JD... - Page 2 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 LED indicators provide for easy installation and monitoring of video, data, audio, and optical power. The MT-91P558 is designed for mounting as a modular stand alone unit. For a rack mounted version please see the RT-91P558. INSTALLATION THIS INSTALLATION SHOULD BE MADE BY A QUALIFIED SERVICE PERSON AND SHOULD CONFORM TO THE NATIONAL ELECTRICAL CODE, ANSI/NFPA 70 AND LOCAL CODES.
- Page 4 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 connection is made via a ST connector located on the right side of the unit. VIDEO INPUT CONNECTION The video input connection is made via a BNC connector on the right side of the unit.
- Page 5 Correspondingly, the receiver of an electronic signal is labeled RX or Data In. Following this standard, the Data Out of the copper device is connected to the Data In of the MT-91P558. The plus terminal of the copper device is connected to the plus terminal of the MT-91P558 and the minus is connected to the minus.
- Page 6 The MT-91P558 is shipped with these switches in the off (left) position. When transmitting RS232 or Manchester data, the bias and termination switches must remain in the off (left) position. The top S1 switch bank corresponds to channel 1. The middle switch bank (shown below in exploded view) corresponds to channel 2.
- Page 7 A green LED indicator is provided to monitor the data coming in from the electrical interface, through the MT-91P558, and out onto the fiber. The intensity of this indicator will vary with input data patterns, however in typical applications it will cycle on and off as data is transmitted. Data transmitted status associated with this LED is summarized below.
- Page 8 Check Power Supply SYNC A bi-color LED indicator is provided to monitor the proper serialization of the electrical data stream through the MT-91P558 and out onto the fiber. DC power and sync status associated with this LED is summarized below. Sync LED...
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