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1) Short-distance network cabling The short distance range is generally less than 1 kilometer, and some manufacturers define this as within 500. Because the maximum transmission distance of network cables is 200m (the limit is 300m), exceeding this value will cause attenuation that can affect sig...

The SFP optical module is an interface device that converts gigabit electrical signals into optical signals (of course, there are also 100-megabit versions of this module, with the same principle, mainly distinguished by the difference in BOSA). It is an industry-standard small hot-swapable gigab...

Since World War II, wireless communication has received attention due to its significant achievements in military applications, which have greatly enhanced the environmental limitations of information transmission. Since then, wireless communication has been developing, but there is a lack of ext...

Many international and industry organizations have formulated various standards to regulate the production and manufacturing of optical modules, such as GBIC, SFF-0053, INF-8074 and SFF-8472, etc. Nowadays, as people’s demand for bandwidth keeps increasing, optical modules must also enhance...

 Protocol definition is a column of communication annotation, communication of the two sides need to be common in accordance with this standard in computer communication, communication data communication protocol is used to realize the annotation between the computer and network connection, if th...

There are many different Linux versions of Linux, all using the Linux kernel. Linux can also be installed in various computer hardware devices. Linux has several common operating systems: 1. veket system: at present, it includes veket-x86 platform system and portable system, as well as netbook sy...