• 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...

• September 11. 2017

When install a Optical fiber optic network, people may make some common mistakes, which were usually overlooked. In this blog, we will list the most common ones. Hope to give you some guidance for your optical network installation. 1.SFP BIDI transceiver must be used in pair The SFP BiDi transceiver must be matched correctly. Take an example: The paired BIDI transceivers connect with switch A and ...

• August 18. 2017

In the optical communications field, many devices have similar functions, such as optical transceivers and media converter, they are the equipment for photoelectric conversion. Do you know their differences?Let’s learn about this. What is media converter? Optical media converter is a medium for converting short distance electrical signals and long distance optical signals. It is also called photoe...

• May 22. 2017

Whether online or offline sales, there will be customer complaints. ETU-Link think highly of customer complaints. As long as there is a customer complaint, we will work hard to solve, only to solve the customer, the customer has a reason to give us order. Do you think so? What customer complaints we will meet? Today we will make a summary. 1. No lights when plugging into the switches a. Modules ca...

• April 12. 2017

With the continual development of the company, we recruit many new staffs this year. New staffs may not be aware of the dress requirements of the workshop. In order to further standardize the production workshop environment and create a good work image, following will list the dress standard of workshop. Correct dress standard: 1. In the workshop, need to wear anti-static cap, anti-static bracelet...

• April 10. 2017

Some people don’t know the patch cord has telecom and network level. Point at this problem, we will explain what are the differences between them! What is multimode optical patch cord? It is used as the patch cord from device to optical fiber wiring link, it has thicker protective layer, generally used to connect the transmitter and terminal box. It is applied in optical fiber communication system...