• June 27. 2018

26th June 2018, Communic Asia in Singapore begins! The openning was in the Marina Bay Sands Exhibition Center.The prevue was given you yesterday. How about  today’s  live situation? Following  ETU , we will take you to  look at the show site. In the show site, our excellent products and booth style attract many customers. We always follow the principle that customers are the mo...

• July 04. 2018

In the process of talking with customers, sometimes they ask us what is the different between our optical transceiver and Cisco?What are the advantages?Why choose us?In order to enable customers to better understand our company and product advantages, we will use the interesting pictures to interpret between ETU and Cisco optical module.   I represent Cisco. I'm the b...

• July 10. 2018

In optical fiber system, besides optical transmission equipment and optical devices, optical fiber consumables are also an indispensable part. And the dust cap belongs to optical fiber consumable material, it is applied almost every corner of fiber system, Plays role of protecting fiber and fiber end face. So its role can not be underestimated. Then what does a dust cap do? How does it affect the ...

• 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...

• July 30. 2018

EPON and GPON are the two main members of optical network access. Each of them has own advantages, competes and complements each other.The following will compare with them in various aspects. Data Rate EPON provides a fixed up and downlink with 1.25 Gbps, using 8b/10b line coding, and real rate is 1Gbps. GPON supports a variety of speed grades, can support uplink and downlink asymmetric rates, dow...

• September 21. 2018

100G has a variety of packaging forms, including CFP/CFP2/CFP4, CXP and QSFP28. Among these different 100G packaging forms, QSFP28 optical module has the advantages of high port density, low power consumption and low cost, so it has become the main packaging form of 100G network. Therefore, we will focus on four types of 100G QSFP28 optical modules today. 1.100GBASE-SR4 QSFP28 optical transce...