Why is it important to clean both ends of the connector pair?
If an operator forgets to and only cleans one end of a mated connector pair, the clean connector will become cross contaminated.
Residue based contamination will transfer from the contaminated end face to the clean end face.
You can tell when this happens because you will usually see a coffee ring stain on both connector end faces.
Dust based contamination will also transfer from the contaminated end face to the clean end face.
When this happens, the dust particles will start to break apart and spread across both ferrule end faces. Another common problem that happens with dust contamination creates pits and scratches on both ferrule end faces.
Answered by AskFOC Technical Team WITH the Sticklers MicroCare Corporation Team August 8, 2017
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