Combined with the optical amplifier technology, the DWDM technology transmits SDH signals, and at the type of DWDM+EDFA+SDH, becomes the best selection in Private Network.
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- 密集波分复用技术与光放大技术相结合,传输SDH信号,以DWDM+EDFA+SDH的形式,成为专用型光纤通信传送网的最佳选择。