综合布线知识:光模块的类型

2020-12-08
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光模块,是指进行光电和电光转换的光电子器件,即将发送端的电信号转换为光信号,将接收端的光信号转换为电信号。光模块主要由光纤接口、信号处理单元和电路接口三部分组成,广泛应用于数据中心、电信网络和接入终端领域。

如今的光模块已经历了速率提升、封装形式改变、接入应用改变和功能提升等方面。其中SFP支持热插拔,可即插即用,速率也越做越高。

随着集成工艺的提升,可实现将XFP装进SFP,不仅外观比早期XFP的尺寸缩小约30%,而且还和SFP功能相同,但同时简化了设计,缩小了功耗。


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Integrated wiring knowledge: types of optical modules

Optical module refers to an optoelectronic device that performs photoelectric and electro-optical conversion, that is, converting electrical signals at the transmitting end into optical signals, and converting optical signals at the receiving end into electrical signals. Optical modules are mainly composed of three parts: optical fiber interface, signal processing unit and circuit interface, and are widely used in data centers, telecommunication networks and access terminals.

Today's optical modules have experienced speed improvements, packaging changes, access application changes, and functional enhancements. Among them, SFP supports hot swap, plug and play, and the speed is getting higher and higher.

With the improvement of the integration process, the XFP can be installed into the SFP, which not only has an appearance about 30% smaller than the size of the earlier XFP, but also has the same function as the SFP, but at the same time simplifies the design and reduces the power consumption.


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