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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...

The value of the optical power will have the most obvious effect on the signal during transmission, and this optical power is also the easiest to test, and this value can be tested by the optical power.   Optical power - Use an optical power meter to test whether th...

In the use of optical modules, it is inevitable to encounter a variety of problems. To reduce the fault phenomenon and ensure the stability of the optical module. There are different detection functions for optical modules.   The 1X9 module mainly detects the signal...