A dust cap for an optical ferrule is provided that has a sleeve with a first end and second end, the second end having at least one depression configured to engage a portion of the end face of an optical ferrule. The dust cap prevents dirt and debris from contaminating the front face of the optical ferrule if the optical ferrule has open guide pin holes.

 
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> Line attenuation device for monomode fibres and associated method for the production thereof

~ 00363