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introduction FTTH means fiber to the home, directly into the user terminal. This is also more than 20 years we continue to pursue to conquer and explore the technology, due to the cost, technology, demand and other aspects of continuous conquer, the technology has been large-scale promotion and d...

The traditional telephone network transmits voice by circuit exchange, and the required transmission broadband is 64 k bit/s. The so-called VoIP is the IP packet switching network as the transmission platform, to simulate the simulated voice signal compression, packaging and a series of special p...

1) Preface. With the rapid emergence of various services, more and more industries have realized that it is necessary to break through the bandwidth “bottleneck” as early as possible, and optical fiber is by far the best transmission medium. The advantages of optical fiber compared wi...

SFP (Small Form-factor Pluggable) is an upgraded version of GBIC (Gigabit Interface Converter), which is an interface device for converting gigabit electrical signals into optical signals. The design can be used for hot plug, and the SFP interface is widely used in switc...

IPTV is a new technology that uses broadband cable television network, integrates Internet, multimedia, communication and other technologies, and provides various interactive services including digital TV to home users. Users can enjoy IPTV service at home. IPTV is not only different from traditi...

Nowadays, with the continuous optimization and upgrading of optical fiber modules, PON (passive optical fiber network) has become an important way of carrying broadband access network services. PON is divided into GPON and EPON, GPON can be said to be an upgraded version of EPON. In this issue, l...