DIN EN 61280-2-2:2013 纤维光学通信子系统试验程序. 第2-2部分: 数字系统. 光眼图, 波形和消光比测量(IEC 61280-2-2-2012); 德文版本EN 61280-2-2-2012
Fibre optic communication subsystem test procedures - Part 2-2: Digital systems - Optical eye pattern, waveform and extinction ratio measurement (IEC 61280-2-2:2012); German version EN 61280-2-2:2012