原先是使用多模收发器的光纤可以使用单模收发器么 - V2EX

原先是使用多模收发器的光纤可以使用单模收发器么 - V2EX

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这是一个创建于 4069 天前的主题，其中的信息可能已经有所发展或是发生改变。

原先是多模双纤，现在换为单模双纤。
两端都换为20KM的单模。是否可行？

2 条回复 2014-11-03 19:31:45 +08:00

1

brando

2014-11-03 18:51:20 +08:00

1

除去距离，普通用应该没问题，单模貌似有分A和B端。

2

deddey

2014-11-03 19:31:45 +08:00 via Android

1

这个要看光衰。这事我干过，多模的纤跑单模光衰厉害，但距离短问题不大。你要是前面几公里的单模，最后接一小段多模就得看人品了

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