• November 05. 2018

The time is flying! There are less than three months left in 2018, and some maybe feel that time is too slow and some will feel that time is too fast.The big family of ETU is expanding day by day, from the beginning of the trading company to own its own production line, from more than 100 square meters to more than 1,000 square meters of plant, from a few employees to dozens of employees, in just ...

• 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 ...

• May 28. 2018

Many network engineers and project designers often ask: What is a CWDM optical module? How does CWDM technology work? What are its core advantages and industry standards? Which scenarios are suitable for CWDM transceivers? According to the packaging optical transceiver can be divided into packages such as GBIC, SFP, XENPAK, SNAP12, X2, XFP, SFP +, QSFP/QSFP+, CFP, CXP etc, according to the transmi...

• May 23. 2018

With the continuous development of big data and cloud computing, the demand for high bandwidth and high-speed network has increased greatly. However, solving this problem often costs a great deal, the emergence of MTP/MPO patch cords is a good solution to this problem. Following we will analyze the MTP/MPO patch cord for everyone. What is MTP/MPO patch cord? The MTP/MPO patch cord consis...

• January 15. 2018

Since 1970, the wire and cable industry has used low-smoke, low-halogen materials in many areas. As the improvements of environmental awareness and safety issues, made people realize that wires and cable jackets play a very important role in fires, And have led to the widespread adoption of low-smoke, Zero halogen (LSZH) optical cable. But what is the LSZH? Today we had a training about ...

• December 22. 2017

Since the physical fiber optic cabling is expensive for each individual service, it is highly advisable to use a WDM technology for expanding the capacity of the fiber to carry multiple client interfaces. DWM have two types, includes CWDM & DWDM. Today we talk about the knowledge of 10G CWDM 80KM. About 10G CWDM 80KM ETU-Link's ESPCxx92-3LCD80: 10G SFP+ CWDM 80KM Transceiver is a "Limitting mo...

• October 30. 2017

Optical fiber splitters play an increasingly important role in today's optical networks. From the FTTx system to the traditional optical network, it can not only enable many users to share an optical fiber interface, but also can help users extend the function of optical network circuits. Today we'll give you a brief introduction to fiber splitter. With the continuous development of modern technol...

• October 16. 2017

Today we want to share some about the media converter with you after some customers asked about it. Media converter is made up for the traditional Ethernet short transmission distance to realize long distance transmission of the signal. Media converter is a transparent bidirectional converter to provide the data signal to Ethernet&nb...