... /PC 0.9 FC/APC 0.9 SC/PC 2.0 SC/APC 2.0SC/PC 0.9 SC/APC 0.9 SC/PC 3.0 STLC ... optic attenuator fixed, SM, MM, PC, APC, 5dB, 10dB, 15dB, etc FC, SC, ST, LC type fiber optic attenuatorFemale--Female, Male--Female, fixed ... , variable, SM, MM, PC, APC, 5dB, 10dB, 15dB ...