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请问光接口板的长距中距短距有什么区别?
提问者:cnxiaoqiao   |  提问时间:2011-7-20 08:14
请问光接口板的长距中距短距有什么区别? 经常看到光接口板型号有S-1.1、L-1.1,这是什么意思呀?
回复 3# 的帖子
对于相同类型的光接口,速率越高传输距离越短

STM-1的S-1.1和STM-4的S-4.1的传输距离是不一样的,但相差不多,但和S64.1相差就很多了!

具体可以传多远,根据光缆质量有关,每公里衰减与传输距离有很大关系!!!
回答时间:2011-7-20 09:48
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