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What is the data center 25G/100G/400G optical module?
Sep 14, 2018

In the early days of the optical communication industry, the "optical modules" will always be heard. Although it is only two short words, it is a bit confusing. 

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The function of optical module is to convert the electrical signal into an optical signal at the transmitting end, and then transmit it through the optical fiber. At the receiving end, the optical signal is converted into an electrical signal. In short, it is a photoelectric Converted device. In terms of volume, it is small in size and looks a bit like a USB flash drive for the first time.  Although it is not big, it plays a very important role in the construction of 5G.


Traditional data centers are mainly based on 10G network architecture. However, as data traffic continues to grow, data centers are under greater pressure. Therefore, it is imperative to upgrade related equipment. In the 5G era, the number of base stations will grow rapidly . At the same time, due to the rapid and rapid growth of data volume in the 5G era, the performance and quantity of optical modules will increase greatly.


The 400G hot-swappable optical module is called CDFP. The CDFP has three generations in history, divided into two card slots, half-transmitted and half-received. Many 10G, 40G, 100G, and 400G optical module standards are proposed by the IEEE 802.3 work group. In addition, there is an MSA protocol. The biggest difference with IEEE is that the multi-source protocol MSA is more like a private unofficial organization form, which can form different MSA protocols for different optical module standards. It is precisely because the standards have been standardized, and today, optical modules are unified in structural packaging, product size, and interface.


Currently, data center operators such as Amazon, Microsoft, Google and Facebook are rapidly building their own data centers to increase transmission rates by using 100G/400G optical modules. Construction costs, space for use, and power consumption are all issues that operators have to face. In addition to the requirements on the optical module, the cloud data center needs to improve the data throughput on the installed fiber, so that the function of the data center can be exerted to a greater extent.


  • Contact Us
    Shenzhen Xinchanglong New Material Technology Co.,Ltd
    Add: A Building,No.114 Xiangxi Xinwei, Songyuanxia Community, Guanlan Street, Longhua New District, Shenzhen
    Tel: +86-755-27997526
    Fax:+86-755-23063739
    Mob:+86-18928450189
    E-mail: sales@gl-polygel.com
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