sm fiber 中文意思是什麼
sm fiber
解釋
單條單模光纖-
1. for sm fiber coupling, the customer has to offer the sm fiber with connector
1 .對于單模光纖耦合，需要客戶自己提供單模光纖及連接器， -
To realize the multi - service transport ability in metro wdm networks, we have built a platform based on sdh / wdm in chapter 3. the platform composes of sdh & wdm equipments at two nodes which connected by only one 50km sm fiber. some vlan modules are inserted, and the sdh forms a single - fiber bidirectional lan to transport ip service. some coders / decoders of video are connected to the modules to finish the video service transport
在第四章，我們提出兩種保護方案： sfvpp保護方案充分利用光纖的波分復用特性，針對復雜的網路結構，把不同波長通道業務劃分成不同虛拓撲（虛環網） ，綜合利用wdm環網光層保護策略，實現網路中不同的環網綜合保護。
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