Fiber Ferrule Connector Tip :- PC, UPC , APC or SPC ??

This short video will explain briefly on the difference of polishing fiber ferrule tip in terms of PC or APC or UPC . If you encounter a supplier quoted FC/PC to FC/PC or SC/APC to SC/APC then you know from now the difference between PC/APC/UPC..

Typical Fiber Optic Connector Polish Types
Style	Description
Angled PC	The end face of the connector is angled to achieve better back reflection results mechanically. Back reflection is the same as the Enhanced Ultra PC. Used often in CATV applications.
PC	Physical Contact. The end face of the connector is convex. The core of the fiber is located at the high point of this surface. Offers good basic performance. In singlemode applications the back reflection results must fall between -30dB and -39dB.
Super PC	Modified PC Polish. Back reflection of -40dB to 49dB.
Ultra PC	Modified PC Polish. Back reflection of -50dB to 59dB. Enhanced Ultra PC-A modified PC policy that produces back reflection of -60dB or better and is the best performance available.