Fiber Loss Margin Calculator

This page describes the Fiber Loss Margin calculator. The fiber loss margin formula is also provided.

Inputs

Outputs

Example:

INPUTS:

  • PL = 2 mW
  • Lsf = 3 dB
  • FL = 0.5 dB/Km
  • L = 40 km
  • Lconn = 1 dB
  • Lfd = 3 dB
  • Ps = -36 dB

OUTPUT:

  • Loss Margin (Lm) = 12.010 dB

Fiber Loss Margin Formula/Equation

The following equation/formula is used for fiber loss margin calculation.

fiber loss margin formula