Multimode optical fiber FREE cabling and networking Helpdesk
 Question by Felix Bizaoui posted 19 Oct 2001
 Multimode optical fiber
What are the advantages and disadvantages of
50/125 and 62.5/125 fiber
 Answer by Dmitri Abaimov posted 22 Oct 2001
Dear Felix,
This question is very well covered in the article at our site that you can find here:

Simply put, 50/125 minron fiber has more bandwidth allowance since due to its smaller core. However, 62.5/125 has less energy loss while launching the signal (bigger core collects more light energy). So all the pros and contras are actually balancing between the two characteristics (plus some more of course). Please read the article for the better explanations.

Dmitri Abaimov, RCDD

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