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FAQ
FAQs About Fiber Optics

 
When should I select Low/High power of transmitted optical power?
 
Default settings, High optical power output should be used in most cases but when the length of the optical fiber is short, less then 100m Low power should be selected.
 
How do I use the power budget?
 
Example: The MD-63 single mode typical budget for 9/125 fiber is 12.3 dB. This means that a total attenuation of 12.3 dB is allowed between the modems, Maximum fiber length = (12.3 dB –(4 mechanical spices * 0.2 dB))/(Attenuation of fiber dB/km), (12.3-(4*0.2))/0.5=23, The maximum distance will be 23 km.