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???????-25??~40??

??????????????PVC??????

?0?2

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????????????0?2?0?2 30 X D

?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2 ????0?2?0?2?0?220 X D

???????????????1500000??(?????????????400mm)

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???????????

??????? (62.5/125 um)?0?2?0?2?0?2?0?2?0?2 (850/1300 nm)

???????2000??

????????????850nm?0?2?0?2?0?2 >160MHZ/km

?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2????1300nm?0?2?0?2 >200MHZ/km

?0?2

??????? (8/125um)?0?2?0?2?0?2 (1310/1550 nm)

???????>2000??

????????????1310nm?0?2 >500MHZ/km

?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2????1550nm?0?2 >500MHZ/km

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