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光纤损耗计算  (进入论坛模式)
提问者:chenrd   |  提问时间:2011-7-13 11:05
请问各位前辈、GPON中怎样计算光缆损耗(活动接头怎样计算、固定接头怎样计算),
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可参考ODN器件光损耗值进行计算
【连接点损耗】
光纤熔接:0.02dB
连接器: 0.25db
冷接点:0.3db
【分光器损耗】
1:64 19.7db
1:32 16.5db
1:16 13.5db
1:8 10.5db
1:4 7.2db
1:2 3.2
【光纤损耗(G.652)】
1310nm 0.35db/km
1490nm 0.25db/km
1550nm 0.2db/km
 |  回应该答案 (0)  |  回答时间:2011-7-14 16:31
其他答案 ( 2 条 )
这个损耗的计算应该考虑最坏值所以
连接点损耗】
光纤熔接:0.02dB 改为0.08
连接器: 0.25db 改为0.5
冷接点:0.3db 改为0.15

回应该答案 (1)  |  回答者:nehcil   |  2011-7-20 15:56
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差不多这样了
 |  回应该答案 (0)  |  回答者:swcrczwb   |  2011-9-27 16:28