A technician scopes an SC/UPC connector and sees a large dark smudge directly over the core of the fiber. What is the correct next step?
Answers
APlug it in anyway; the laser will burn the dirt off
BCut off the connector and splice on a new pigtail immediately
CClean the endface using a dry-cleaning cassette or lint-free wipe with solvent, then re-inspect
DPolish the connector with 3-micron sandpaper
Correct answer: C — Clean the endface using a dry-cleaning cassette or lint-free wipe with solvent, then re-inspect
Contamination should always be cleaned using proper fiber cleaning methods (dry or wet-to-dry) and re-inspected before mating to prevent permanent damage.
MIFOTRA exam practicealigned to TIA-568.3-D / ITU-T G.652·1 mark·Easy