• June 17. 2021

Gigabyte optical module has been a very mature series of products, the common transmission rate is 1.25G, 2.5G, etc., and the package type is SFP. There are many models of gigabit optical modules. Next ETU link will give you a detailed introduction to the types of gigabit optical module.   Gigabyte optical modules can be divided into two categories, namely, single fiber and dual fib...

• June 11. 2021

With the increasing network bandwidth, many data centers have upgraded their 10G network to 40G. There are many solutions for 40G optical modules, such as 40G SR4 and 40G LR4. Today, etu-link introduces an optical module suitable for upgrading 40G network on the basis of 10G network wiring. It is 40G QSFP+ LX4 optical module. Different from other 40G QSFP+ optical modules, it can use either multim...

• June 08. 2021

The Fibre Channel protocol was formulated by the X3T11 team of ANSI in 1988. It has the characteristics of high bandwidth, multi-media, and long-distance transmission. It can realize the transmission of large data files between storage, server and client nodes. In this article, ETU-LINK will focus on introducing the 16G FC DWDM SFP+ series optical modules for 16G Fibre Channel networks. ...

• June 04. 2021

In high-speed fiber-optic communication, data centers, and long-haul transmission systems, signal integrity is critical. Clock and Data Recovery (CDR) is a core function that ensures stable, error-free transmission for optical modules. Today, ETU-LINK will introduce to you what exactly is CDR clock data recovery: working principle, key roles, industry standards, and typical applications. 1. What i...

• May 29. 2021

The 10 Gigabit copper module adopts hot pluggable SFP+ package, which can be divided into multi rate and single rate. The multi rate adaptive supports 1G to 10G transmission rate, and the single rate only supports 10G transmission rate. The interface type of 10 Gigabit copper module is RJ45. Its port can support both shielded twisted pair and unshielded twisted pair. It is mainly used in switches,...

• May 28. 2021

In data center storage and networking, many users ask: What is a Fibre Channel (FC) optical module? What is an Ethernet optical module? Can they be used interchangeably? What are their key differences in protocol, speed, reliability, and application? Today, we will learn about optical fiber channel module, Ethernet optical module, and what is the difference between them?  I. What Is Fibr...

• May 25. 2021

Switches and routers are core networking devices in LAN, enterprise network, data center, and broadband access systems. Understanding their differences helps select matching optical modules, DAC/AOC cables, and fiber patch cords for stable and efficient network interconnection. This article explains their working layers, functions, and complete optical module matching solutions. What Is a Switch a...

• May 22. 2021

Driven by the construction of 5G base stations, cloud computing, and large-scale data centers in recent years, the market size of optical modules has increased accordingly. Although the optical module industry is developing rapidly at this stage and gradually becoming mature, from the perspective of the entire industry chain, its upstream optical components and chips still rely heavily on for...