BS EN 61753-087-2:2011
纤维光学互连器件和无源元件.性能标准.C类非连接单模双向1310 nm上游和1490 nm下游WWDM设备.受控环境
Fibre optic interconnecting devices and passive components. Performance standard. Non-connectorized single-mode bidirectional 1310 nm upstream and 1490 nm downstream WWDM devices for category C. Controlled environment