DIN EN 61300-3-48-2014 纤维光学互连器件和无源元件. 基本试验和测量程序. 第3-48部分: 检查和测量. 矩形套圈复型纤维连接器用偶联套筒的弹簧压缩力(IEC 61300-3-48-2013); 德文版本EN 61300-3-48-2013
Fibre optic interconnect devices and passive components - Basic test and measurement procedures - Part 3-48: Examinations and measurements - Spring compression force of the coupling sleeve for rectangular ferrule multi-fibre connectors (IEC 61300-3-48:201