多粒度交换技术利用波带级路由以及光纤级路由，可有效降低光交叉连接器的复杂度。

Multi-granularity switch technologies decrease the complexity of optical cross connects by employing waveband routing and fiber routing techniques.

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提出了一种新型多粒度光交叉连接（MG-OXC）的体系结构，它可以完成光纤、波带、波长的交换，以及不同粒度业务的上下话路。

A kind of novel multi-granularity OXC architecture is proposed, which can be used to fiber switching, waveband switching and wavelength switching.

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