拥有双重光纤电缆连接的单一光纤模块依据通信系统可以提供点对点，星状，树状以及环形布局。
Single fiber optic modules with dual fiber cable connections provide redundant point-to-point, star, tree and ring topologies, depending on the communication system.
在这个几乎所有的纤维变体，如多模，单模或长程，可实现由SFP光纤模块的使用，此外，5固定千兆tx端口可以使用方式。
In this way nearly every fiber variant, such as multimode, single-mode or long haul, can be realized by the use of SFP fiber modules and, furthermore, 5 fixed Gigabit TX ports can be used.
在论文的第二部分详细介绍了数字光纤通信系统中的光收发模块的基本原理。
In the second part, we study the theory of optical transceiver module in the digital fiber-optical communication system.
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