To ensure your network functions properly, calculate total attenuation using the following formula: Practical Example (Targetting GPON Class B+ 28dB limit): Fiber Loss (5km at 0. 75dB Splitter Loss (1:32): ~17. 0dB Connectors (4 pairs at 0. 2dB Splices. In the design of broadband fiber optic access projects such as FTTH, the full attenuation of the ODN fiber optic link needs to be calculated based on the corresponding wavelength of the application system. You can apply this methodology to all types of optical fibers in order to estimate the maximum distance that optical systems use. There are no specific requirements for this document. 9807 (XGS-PON), and IEC 60794 cable standards, the ODN forms the physical optical path responsible. In modern FTTH architectures, the ODN is the physical fiber layer that distributes optical signals from the central office to end users. Operators consider ODN design as one of the most important factors affecting: Network coverage Optical loss performance Deployment cost (CAPEX) Long-term.
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