With the widespread adoption of 40G and 100G Ethernet network, cabling system in data centers becomes more and more complicated. Choosing a suitable cabling solution is important, but ensuring the normal operation of optical components is the basic requirement. Therefore, it is necessary to carry out fiber optic testing. On the market, there is an useful tool that can provide cost-effective solution for fiber optic testing application—fiber loopback cable. Have you ever used it? How much do...