• 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...

• August 23. 2017

Some customers want to know about the difference between multimode and single-mode SFP, so we summarize some information about multimode and single-mode optical modules.The following is some concepts and the differences between multimode and single-mode SFP transceivers. According to the wavelength,there are 850nm / 1310nm / 1550nm / 1490nm / 1530nm / 1610nm. 850nm wavelength is fit for multimode ...

• May 06. 2016

Recently many customers and engineering partners often ask: What are FP lasers and DFB lasers? What’s the real difference between FP and DFB lasers in optical modules? To help you explain clearly to customers and quickly choose the right laser for your project, we’ve made this detailed professional summary about FP laser vs DFB laser. I. What Is an FP laser? FP (Fabry-perot) laser is mainly used f...

• April 12. 2016

Our sales manager organized a product training courses again today. We also learned a lot of knowledge,share some of the key summary as follows:  1.The application of optical modules and passive products are Ethernet,ATM,SONET,SDH,Data center and Fast Ethernet. 2. Abbreviations for popular products :  SX represents 1.25G SFP 850nm LC 550m  LX represents 1.25G SFP 1310nm LC 10km...

• April 06. 2016

In high-speed optical communication, data center transmission, and optical module testing, the eye diagram (eye pattern) is one of the most important tools to evaluate signal integrity (SI) and transmission quality. This article explains the definition, principles, applications, and judgment criteria of eye diagrams for optical modules and fiber optic systems. 1. What Is an Eye Diagram (Eye Patter...