• April 12. 2016

Our sales manager organized a product training courses again today. We also learned a lot of knowledge,share some of the key summary as follows:  1.The application of optical modules and passive products are Ethernet,ATM,SONET,SDH,Data center and Fast Ethernet. 2. Abbreviations for popular products :  SX represents 1.25G SFP 850nm LC 550m  LX represents 1.25G SFP 1310nm LC 10km...

• October 14. 2016

Hangzhou H3C Communication Technology Co., Ltd. committed to research, development, production, sales and service of IT infrastructure products and solutions. It has a complete router, Ethernet switches, wireless, network security, servers, storage, IT management systems, cloud management platform and other products. In the field of Ethernet, H3C experienced many years of hard work and development...

• August 23. 2017

The PON optical transceiver is a high performance optical module for the PON system, also known as the PON module, conforms to the ITU-T G.984.2 standard and the MSA. It uses different wavelengths to send and receive signals between the OLT (optical line terminal) and the ONT (optical network terminal). Classification of PON optical modules: 1. According to the package type: SFF/SFP/SFP+ and XFP o...

• 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 ...

• June 23. 2018

ETU-Link will take part in the largest and most influential ICT seminar in Asia's, namely Communic Asia 2018, the exhibition will be held on June 26-28, 2018 at the Marina Bay Sands Exhibition Center in Singapore. Exhibition information: 【Exhibition time】26-28 June, 2018 【Exhibition place】Marina Bay Sands Singapore 【Booth No.】1B2-01 ETU-Link is a high-tech company base in Shenzhen, we mainly focus...

• July 12. 2018

As we all know, currently the mainstream optical communication transmission rate is 40G and 100G on the market, their competition is also fierce. Today we will list some common questions in 40G networks. What are the common solutions for 40G networks? At the core of the 40G network layer, a pair of optical modules are usually connected at both ends of a multimode optical fiber such as OM3 or OM4(M...

• July 19. 2018

QSFP+ have Single-mode and multimode, it means QSFP+ optical module works on different types of fiber optic, the single-mode QSFP + use with single mode fiber, and the multimode QSFP + used with multimode fiber. Then what are the differences between them? Where are they applied? What should we pay attention to when we use them? In this article, we will discuss this topic. Optical module difference...

• July 24. 2018

In order to maintain a friendly relationship between ETU and customers, and to protect and avoid unnecessary losses, control the RMA cost reasonably to provide better services to the customers. 《RMA details》 are are set out as follows:   The product provided by ETU-Link - 3 years warranty 1. The international RMA will involve tariffs, the larger amount, the more tariffs, so nee...