范围:IEC 62496-4的本部分定义了端接波导光学电路板（OCB）组件（简称组件）的标准接口尺寸，该组件使用用于PMT连接器的单列十二通道聚合物波导和可与端接MT卡套互连的波导OCB。交叉引用:IEC 61754-5购买本文件时可获得的所有现行修订均包含在购买本文件中。

Scope: This part of IEC 62496-4 defines the standard interface dimensions for a terminated waveguide optical circuit board (OCB) assembly (referred to simply as assembly) using single-row twelve-channel polymer waveguides for a PMT connector and a waveguide OCB that can be interconnected with a terminated MT ferrule.Cross References:IEC 61754-5All current amendments available at time of purchase are included with the purchase of this document.