• 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...

• 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 ——...

• December 13. 2016

Do you know why some optical transceivers are colorful? Today will share the information about these colorful SFP modules. The colorful SFP modules are called wavelength division multiplexing (WDM) SFP module. WDM SFP is divided into two types: ◆ CWDM SFP ◆ DWDM SFP Different colors represent different wavelengths, today we mainly introduce CWDM SFP. Waht is CWDM SFP? CWDM SFP is a kind of optical...

• January 12. 2017

Looking at the dim lights in front of the door, vaguely shining scanty passers-by, the front of the seat has been all empty. There may be some loneliness and loneliness on the way to success, always have ups and downs some people didn’t experienced.   16 years has become a history, what did I gain? Medals? Bonus? Perhaps this is a node of life. In fact, the biggest feeling is to use...

• February 20. 2017

With the development of the company, we will add more personnel as below:               The development of a company can not be separated from each employee's pay and support. Looking forward to your joining, develop together! We believe that we will move towards a better future!

• June 13. 2017

Cisco ME 3400 is a next generation second - layer / third - layer client point device series Ethernet access switch designed for telecom operators. The switch's design is based on the deployment experience of Cisco Catalyst® 2950 and Catalyst 3550, these are today's most widely used access switches. It provides the most comprehensive security solution for Metro Ethernet access, including users...

• June 13. 2017

With the development of optical fiber communication industry, more and more customers begin to pay attention to the stability and reliability of optical transceivers. At present, the optical module are intermingled on the market. In order to make big profits, many manufacturers sell second-hand optical modules, brought great harm and hidden danger to the market. ETU-Link has the responsibility to ...

• June 13. 2017

The optical module in the communication operations are increasingly receiving attention, SFP optical module is the module in the waiting for a, below we summarize the related knowledge of SFP optical modules from several aspects, expect to bring us must help you. Overview of a.SFP optical module 1. definitions The package to SFP optical module is a hot pluggable small package, now the highest rate...