• August 18. 2023

QSFP-DD, as the preferred packaging for 400G optical modules, can effectively expand the cloud capacity of data centers and meet the growing bandwidth requirements of ultra large data centers. In the previous blog, we introduced the 400G QSFP-DD FR4 optical module. Today ETU-LINK will introduce you the commonly used long-distance transmission solution for large-scale data centers -400G QSFP-DD LR8...

• August 15. 2023

Optical modules are the most common optoelectronic converter components. In optical communication networks, transmission capacity is the most core and highly concerned parameter. Among them, the transmission distance of optical modules also varies. In different fields and links of optical communication network transmission, the requirements for the characteristics of optical modules are also ...

• August 10. 2023

The arrival of the 5G era has brought great opportunities to the optical communication industry, and users have increasingly high requirements for high-speed data transmission. At the same time, it is also driving the upgrade from 100G to 400G. Among 100G optical modules, QSFP28 is the most common type of optical module. So today, let's talk about the difference between the 100G PSM4 and the 100G ...

• August 03. 2023

At present, the technology of optical fiber communication is developing more and more rapidly, and there are a variety of Optical module products on the market. Today, ETU-LINK will teach you how to choose Optical module. There are three main types of Optical module in the current market: the first is the original Optical module, which is the module of the switch, router and other network equ...

• August 01. 2023

Do you know the difference between active optical cable and Optical module? Today, ETU-LINK will talk about the differences between 40G AOC and 40G SR4. Let's take a look together.   What is 40G QSFP+ AOC active optical cable? 40G QSFP+ AOC active optical cable is composed of multimode optical fiber and two QSFP+ connectors. It has four data channels in each signal direction, with a maxi...

• July 26. 2023

With the rapid development of the Internet, traffic has increased rapidly, and data centers have higher requirements for speed and bandwidth. In the 40G/100G data center cabling scheme, parallel transmission technology has made multi fiber MPO patch cord widely used. The commonly known MPO patch cord is actually composed of OM3/OM4 multimode fiber patch cords or single mode fiber patch cords with ...

• July 22. 2023

The current branch deployment of ports has become one of the popular ways to build networks, and has driven the development of the parallel optical module market. At present, the commonly used parallel modules are 40G QSFP+ SR4 and 100G QSFP28 SR4, which can be converted into four 10G/25G links for link. This parallel optical module is conducive to multi-link applications, such as the constru...

• July 21. 2023

In this article, ETU-LINK will introduce the 100G QSFP28 and 25G SFP28 cost-effective port branch connection solutions. The following will analyze and compare from the two aspects of saving space and cost. First of all, let's talk about why the cost performance is high, we can judge by comparing the cost. We can assume a scenario with an 8-slot chassis, which is fully equipped with 36 QSFP28 ports...

• July 11. 2023

In generic cabling, MTP / MPO components have strong flexibility, which can realize 72 core optical fiber cabling at most, and 12 core optical fiber distribution box is mainly used for 40G / 100G data center. In 40G data center, 12 core optical fiber distribution box can be used to connect 40G QSFP + SR4 optical module and 10G SFP+ SR optical module; In 100G data center, 12 core optical ...

• July 07. 2023

The role of optical modules in optical communication networks is photoelectric conversion, so what optical devices are mainly composed of optical modules? ETU-LINK will reveal the answer for everyone. First of all, the two most important parts of the optical transceiver are the optical transmitting assembly (TOSA) and the optical receiving assembly (ROSA). Among them, the optic...