DIN EN 61300-3-24-2007
纤维光学互联装置和无源部件.基本试验和测量程序.第3-24部分:检验和测量.极性维护光纤用光学连接器关键精度(IEC 61300-3-24-2006)
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-24: Examinations and measurements - Keying accuracy of optical connectors for polarization maintaining fibre (IEC 61300-3-24:2006); German version