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Summary of Contents for American Fibertek RRM-1485
- Page 1 Instruction Manual RRM-1485 Video Receiver With Bi-directional RS485 © Copyright 2003, American Fibertek, Inc. 0731JD...
- Page 2 Power Source ..................3 Power Connection ................3 Input / Output Connections..............4 Data Configuration ................4 Switch/Jumper Settings ..............5 RRM-1485 Status LED Indicators ............6 RS-485 Termination and Offset Bias Requirements ......7 Warranty..................... 8 Service Information ................8...
- Page 3 The M1485 Series product is designed to operate over an optical loss budget range of 0 to 12 dB. The RRM-1485 operates on 50 um or 62.5 um multimode fiber. Refer to the data sheets for detailed performance specifications.
- Page 4 See page 7 for an explanation of termination and offset bias requirements for RS485 data. To open the RRM-1485, remove three screws on top cover to remove cover and access the switch and jumper locations.
- Page 6 A bi-color LED indicator monitors the optical input power of the video and data signal that is being received at the RRM-1485 from the MTM-1485 or the RTM-1485. DC power and optical input status associated with this LED are summarized below.
- Page 7 300 mV offset, improving noise immunity. Offset bias for RS485 can be applied on the RRM-1485 by setting switch # 3 and switch # 4 on. Please note that these switches work as a set and must be either both on or both off.
- Page 8 LIFETIME WARRANTY INFORMATION American Fibertek, Inc warrants that at the time of delivery the products delivered will be free of defects in materials and 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.
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