• December 01. 2022

In this issue, ETU-LINK will introduce what is a single fiber optical module and a dual fiber optical module, and what are the differences between them. So what are single fiber optical modules and dual fiber optical modules? Single fiber optical module is an optical module product with only one optical fiber port. It can transmit and receive optical signals at the same time by inserting only one ...

• November 23. 2022

With the rapid rise of the Internet of Things, cloud computing, artificial intelligence, and big data applications, the data transmission rate of servers, routers, switches, and data storage devices is also increasing, and data centers will also face challenge of high bandwidth, high reliability, and low latency, especially the higher requirements for data transmission up to 400G. To achieve high ...

• November 18. 2022

With the rapid development of cloud computing, big data and Ethernet, operators upgrade their data centers to a higher data rate, which further increases the demand for 100G. The pattern is also shifting from 100G. The 100G QSFP28 ZR4 is also the product of this era of big data.This article is mainly about the introduction of 100G QSFP28 ZR4 optical module products brought by ETU-Link.  ...

• November 12. 2022

The RG-S6250 series switches are a new generation of high-performance, high-density 10 Gigabit switches launched by Ruijie Networks for cloud data centers and high-end campuses. This series of switches supports 48 10G ports and 8 100G ports, and each 100GE port can adapt to 100G and 40G. Next, ETU-LINK will introduce the common specifications of products such as optical modules, active optical cab...

• November 08. 2022

Usually, the ports of the newly purchased optical modules are clean, and there is no need to clean the ports, but for the optical modules that are idle or have not been inserted into the dust cap in time, when they are used again, in order to prevent the transmission performance from being affected, we still have It is necessary to clean the port of the optical module first. Then the following ETU...

• November 01. 2022

As networks grow in size, we are seeing a shift from the traditional three-layer network architecture to a flatter, wider Spine-Leaf architecture. Most modern e-commerce, social media and cloud applications use distributed computing to serve their customers.  Distributed computing means that servers speak to servers and work in parallel to create dynamic web pages and answer customer question...

• October 29. 2022

This blog ETU -LINK will take you to read what is WDM, before that we first to get to know why the WDM technology, it appears from the background of the Internet, development rapidly in a short few decades, so operators urgently needs a lot of network capacity to meet growing customer service requirements.   For network expansion, simply increase the transmission capacity linearly by increasi...

• October 25. 2022

It is believed that everyone should be very familiar with the packaging of optical modules after reading the previous articles of ETU-LINK. So how much do you know about the packaging of optical components in optical modules? In this article, ETU-LINK will take you to understand the packaging process of optical devices.   At present, the common optical device packages include Box, COB, TO-CAN...

• October 24. 2022

In this blog, ETU-LINK will talk about the 50G SFP56 SR optical module using PAM4 modulation technology. Since the PAM4 signal has four level values, the PAM4 signal can be used in the same physical bandwidth of the channel. Downlink transmission is twice the amount of information compared to NRZ signals, enabling single-channel 50G applications. Therefore, PAM4 signal modulation has become t...

• September 22. 2022

As data centers and telecom operators require higher transmission rates for optical modules, what technologies do optical module manufacturers use to achieve higher transmission rates? This article ETU-LINK will reveal the answer for you. 1. Increase the baud rate. The baud rate refers to the modulation rate of the data signal to the carrier. This method is mostly used for low rate optical modules...

• September 16. 2022

H3C S10500 series switch products are core switching products specially designed and developed by H3C for cloud computing data center core, next-generation campus network core and metropolitan area network aggregation.Using advanced CLOS multi-level and multi-plane switching architecture,it can provide continuous bandwidth upgrade capability, support data center large two-layer technology TRILL,ve...

• September 09. 2022

Cisco catalyst ® 9400 series switches are Cisco's main modular enterprise exchange access, distribution and core platform for security, Internet of things and cloud. This series of switches is the basic component of Cisco's leading enterprise architecture sd-access. The platform adopts a chassis architecture that supports up to 9 TBPs system bandwidth, and has a powerful po...