Historical
IEC 61300-3-17 Ed. 2.0 b:1999
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-17: Examinations and measurements - Endface angle of angle-polished ferrules
Describes the methods to measure the endface angle of flat or convex angle-polished ferrule.
International Electrotechnical Commission [iec]