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Understanding the performance of optical fiber and copper wire can make a better choice, then what characteristics do optical fiber and copper wire have? 1. Copper wire characteristic Copper wire In addition to the above mentioned good anti-interference, confidentialit...

Can single-mode fiber and multi-mode fiber be mixed? Generally, no. The transmission modes of single-mode fiber and multi-mode fiber are different. If the two fibers are mixed or directly connected together, link loss and line jitter will be caused. However, single-mode ...

The basic structure of optical fiber is generally composed of outer sheath, cladding, core, and light source. Single-mode fiber and multi-mode fiber have the following differences: Sheath color difference: In practical applications, the outer sheath color of the fiber ca...

Also known as software-defined Wide area networks, SD-WAN has become one of the hottest topics among enterprise network operators and service providers. Why does this happen? On the one hand, an increasing number of Internet-based applications, services and intensive app...

When the PoE power supply fails, it can be investigated from the following four aspects. • Check whether the receiving end device supports PoE power supply. Since not all network devices can support PoE power technology, check the equipment for POE power technology befor...

PPPoE represents a point-to-point protocol on the Ethernet. It is a network tunnel protocol that encapsulates the point-to-point protocol (PPP) in the Ethernet framework. It enables Ethernet hosts to connect to a remote access concentrator via a simple bridging device.Us...