• October 12. 2017

If you are the first time to buy optical transceivers, you might be confused with "DDM", "DOM" or "RGD". What are they? Today, ETU-Link will describe in detail the functions of these three types of optical modules. What is DDM? DDM means Digital Diagnostic Monitoring. It is the technique used in the optical module so that users can monitor the real-time parameters of the module. Including modules’...

• September 29. 2017

We are often confused on the compatibility of SFP and SFP+, confused that we don't know if we can use the SFP optical module in the SFP+ slot. It's a headache for many engineers, today we will focus on this problem. The SFP optical module can plug into the SFP+ port in most cases. According to experience, CWDM SFP optical transceiver can run in the SFP+ slot, but the SFP+ module cannot run in the ...

• July 10. 2017

Recently, some of our customers want to know more about the CWDM modules' applications. Here we share some of CWDM knowledge to you, hope these can be helpful for your business! 1. What is CWDM modules? With the CWDM optical transceiver, different wavelength can be transmitted by only one core. And it's receiver can receive signal from 1270nm-1610nm. 2. Where is the CWDM modules can be used? As th...

• June 23. 2017

Recently, many customers asked about the CWDM Modules infomation. In order to know more better about the parameters of the CWDM, and show the professional knowledge when having business , we share the information with you today. Waht is CWDM SFP? CWDM SFP is a kind of optical transceiver combined with CWDM technology. It is an economical and high efficient network connection solution, widely used ...

• June 13. 2017

According to the global optical market, the CWDM modules are more and more widely used in some network project, so what are CWDM modules? Where is it applied on?... 1. What is CWDM? CWDM modules is a optical transceiver which combine the CWDM technology ( Coarse Wavelength Division Multiplexer ) and can connect the different wavelength of optical signals via a op...

• May 16. 2017

The circulation of products on the market, especially electronic products, after-sales service is very important. Once the product is sold, it may be necessary to provide a supporting replacement service. For example, the leading brands of optical communications--- CISCO, provide after-sales service to local customers. ETU-Link as a rising star in the industry, although can’t provide after-sales s...

• July 19. 2016

The time is flying! In the first half of 2016 year, we are enjoy the work and life simply and happily. On the way, we meet sweat and exhaustion, but all this effort is worth. Maybe you will ask why? The development of a project and the receipt of an order, that is the recognition of our efforts! With the steady development of the company, our software engineers are also constantly growing. Under t...

• July 06. 2016

With the rapid development of optical communication, there are more and more optical transceivers on the market. The users are not only consider the stability and reliability of the optical transceiver, but also the price and quality and whether to meet the requirements of the equipment and other aspects. However, many people can’t identify the quality of the optical transceiver is good or bad, so...