Does the LC interface have left and right sides

The picture above shows an APC simplex LC connector on the left and a UPC duplex LC connector on the right. LC is covered in the TIA connector intermateability. LC stands for a type of optical connector of which the full name is Lucent Connector. Originally developed by Lucent Technologies, the LC connector immediately became popular in telecom systems due to its compact size and secure latch mechanism. 25 mm ferrule - half the size. The LC interface is fiberoptic connector interface based on a 1. [pdf]