When designing a DWDM optical transmission solution, the distance between the two places is too far, and if a relay is added in the middle, it will cost a lot of money, or the middle is next to the desert, …
When designing a DWDM optical transmission solution, the distance between the two places is too far, and if a relay is added in the middle, it will cost a lot of money, or the middle is next to the desert, …
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