• November 14. 2016

SGMII is a unfamiliar but familiar communication industry terminology, maybe someone knows a lot, someone knows a little. If we ever meet the demand of this product, we learn about it. SGMII--Serial Gigabit Media Independent Interface transmits the common high-speed serial signal. It’s the connection bus of Ethernet MAC and PHY. ETU-Link has a product with SGMII function --- SGMII optical transcei...

• November 10. 2016

Now more and more customers want to know the technical information of optical transceiver, today we will simply summarize the optical module test equipment! 1. High and low temperature aging: To ensure the stability of the product , all products will be Aging testing for 24 hours. 2. Eye diagram tester: Check whether the eye diagram is good, if good, it means that the quality of module is good 3. ...

• December 30. 2019

Optical fiber is the flexible transparent fiber made from silica or plastics, slightly thicker than the human hair. Optical fiber is one of the most common tools of transmitting light at both ends, and widely used in optical fiber communication. Optical fiber is usually composed of a transparent core with low refractive index and a transparent cladding material. Generally speaking, there are two k...

• November 07. 2016

SFP optical transceiver covers a lot of precision optical components and circuit components. In daily use, we need to follow the norms of operation, otherwise, it is very easy to make the optical transceiver damage. Below, we will introduce some of the optical transceiver routine maintenance methods. 1.ESD protection ※ Electrostatic protection(Wear anti-static gloves and anti-static bracelet, to p...

• November 03. 2016

The ring color of the optical transceivers are colorful, different colors corresponding to different wavelength. In order to make the new colleagues to be more convenient and more quickly to distinguish each color corresponds to the wavelength, the following is a a simple summary. 1. The commonly used wavelength corresponds to the ring color 850nm —— Black 1310nm —— Blue 1490nm —— Purple 1550nm ——...

• November 02. 2016

According to the market demand, we have a large number stock of SFP 120KM optical transceivers. Why choose us? Let’s take a look at the below picture! Each link of the test are carefully follow the industry standard, through multi verification, to win the trust and support of customers at home and abroad! The differences between 120KM & 20KM optical transceiver: 1. Can achieve the transmission...

• October 28. 2016

Switch is a kind of network equipment used for electric (optical) signal transmission. Most of them are the Ethernet switch. The others are telephone voice switches, optical switches, etc.. Do you know what brand switch from a specific model? Today we will share some series and models of common switches. The common switches are Cisco, HUAWEI, ZTE, H3C, Juniper, HP, Extreme etc. 1. Cisco switch Cis...

• October 26. 2016

Do you want to know where the optical communication show is? I think that you should be very concerned about the industry's exhibition information it. In order to let you know more about the optical communication exhibition information, we will share the collected information with you today! 2016-2017 Show List ETU-Link will plan to participate in the ECOC next year, and expand more business to th...

• October 24. 2016

Optical transceiver is an integral part of optical fiber network for data communication and Ethernet applications. In the data communication network, optical module is widely used in data transmission and high-speed Internet field. When building a data communication network, selecting the low cost and high-performance optical transceiver can greatly save the cost. ETU-Link is the industry's leadin...

• October 19. 2016

From the backbone, the metropolitan area network, access network to the local area network, the distance demand of the optical fiber is shorter and shorter. The good or bad performance of fiber optic is no longer important, because the distance is short, can be accepted. But the low cost of the light source is more and more attention, LED,VCSEL is much cheaper than FP, DFB and EDFA. The first gene...

• October 18. 2016

With the advent of the Internet era, optical fiber communication network has been widely used in the world. As the core component of the optical fiber network, optical switches are also well known. Cisco switch is the popular brand product in the industry, can adapt to a variety of environment and application requirements. Today we’d like to briefly introduce Cisco Catalyst 6800 series switches an...

• 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...