In the power telecom networks, the distance between two nodes is always too long to use the normal optical transceiver, so we have to use Erbium-Doped Fiber Amplifier (EDFA) additionally.
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- 在電力專(zhuān)網(wǎng)光纖通信電路建設中,由于光纖節點(diǎn)間距離較長(cháng),超過(guò)一般光端機收發(fā)信電平的容許門(mén)限,因此需要另外使用摻鉺光纖放大器(EDFA)設備。
