• June 04. 2018

As we all know, Optical transceivers support DDM functions, which enable real-time monitoring of modules' parameters. And the DDM information, we can read via switch equipment, simple network management protocol(SNMP). 1.The Useful DDM Function on Optical Modules DDM is a function available on optical transceivers, including SFP, SFP+, XFP and GBIC, and is also known as digital optical monitoring(...

• March 12. 2018

Saving the cost is a very important and factor in a large network transmission system, especially when it needs lots of the modules. So then the compatible optical transceiver appeared to solve such problem. In this industry, it should be known that if want the compatible optical module to work properly on a brand switch, like Cisco switch, then we must write the corresponding CISCO code in the mo...

• March 09. 2018

HUAWEI S5700 Series switches are popular both at home and abroad. Understanding its characteristics may be useful to the application of the majority of users. So let’s popularize the knowledge of one of the switches——S5700-28P-LI-AC. S5700-28P-LI-AC switch combines reliable, safe, green and other advanced technologies, use simple and convenient installation and maintenance measure, help customers ...

• March 05. 2018

In order to reduce the possibilities of the line malfunction for the data center, avoid the unnecessary optical damage, cleaning is very important for the optical fiber. And in fact, optical fiber cleaning not only include cleaning the optical fiber, but also for the optical connector, such as the modules' connector. Today we want show some of the modules cleaning knowledge. 1. Pollution Source fo...

• March 02. 2018

Compared with the optical module, the biggest advantage of the Direct Attach Cable is the cost saving. As the 40G network is becoming more and more popular, the 40G QSFP+ DAC is getting more and more attention. From the type of cable, QSFP+ cable can be divided into QSFP+ DAC cable and QSFP+ AOC cable. Among them, QSFP+ DAC cable can also be subdivided into QSFP+ passive DAC cable and QSFP+ active...

• February 28. 2018

In today's big data age, the demand for high speed and high bandwidth is getting bigger and bigger. There is an urgent desire to have a new product as the main transmission medium for high performance computing and data centers. So the active optical cable (AOC) appears in this environment. What is active optical cable? What are the areas of application and what are the advantages? Today we will a...

• February 09. 2018

40G QSFP+ optical transceiver greatly meets the market demand for high - density high - speed pluggable solutions. Now, 40G networks are already very common in most data centers, and optical modules are one of the essential components of the data center device interconnection. So how much do you know about the 40G QSFP+ optical module? What are the interfaces of the 40G QSFP+ optical module? Where...

• February 05. 2018

When choosing a compatible optical module, about 90% of users are worried about its quality and compatibility. As we all know, the price of compatible optical modules is much lower than the original one, so is the quality of compatible optical modules guaranteed? Can it be comparable to the original module? ETU-Link will give you some practical advice aimed to help you choose compatible optical tr...