Aerospace series - Elements of electrical and optical connection - Test methods - Part 605: Optical elements - Return loss
航空航天系列 - 电气和光学连接元件 - 测试方法 - 第605部分:光学元件 - 回波损耗
This standard specifies a method of measuring the return loss of optical connection elements (including permanent connections) and fibre optic couplers.
It shall be used together with EN 2591-100.