Remove the dustproof cap of the FC connector and store it for future use.
Align the core pin of the male connector with that of the female connector, as shown in Figure 1.
Figure 1 Aligning the male connector with the female connector
Align the male connector with the female connector and gently push the male connector until it is completely seated in the female connector, as shown in Figure 2.
Figure 2 Feeding the male connector into the female connector
Fasten the locking nut clockwise and ensure that the connector is securely installed, as shown in Figure 3.
Figure 3 Fastening the locking nut
To disassemble an FC fiber connector, loosen the locking nut counterclockwise, and gently pull the male connector, as shown in Figure 4.