要看你哦距离单模还是多模我给你点型号参考吧这些都是可以插的 SFP-GE-LH40-SM1310光模块-SFP-GE-单模模块-(1310nm,40km,LC) SFP-GE-LH40-SM1550光模块-SFP-GE-单模模块-(1550nm,40km,LC) SFP-GE-LH70-SM1550光模块-SFP-GE-单模模块-(1550nm,70km,LC) SFP-GE-T电模块-SFP-GE-(RJ45) SFP-FE-LH40-SM1310光模块-SFP100M/155M单模模块-(1310nm,40km,LC) SFP-FE-LH80-SM1550光模块-SFP100M/155M单模长距模块-(1550nm,80km,LC) SFP-GE-LX-SM1310-BIDI光模块-SFP千兆BIDI光模块-TX1310/RX1490,10km,LC SFP-GE-LX-SM1490-BIDI光模块-SFP千兆BIDI光模块-TX1490/RX1310,10km,LC SFP-FE-SX-MM1310-A光模块-SFP100M/155M-多模模块-(1310nm,2km,LC) SFP-STACK-KitSFP堆叠电缆-（150cm，含堆叠模块） SFP-GE-SX-MM850-A光模块-SFP-GE-多模模块-(850nm,0.55km,LC) SFP-GE-LX-SM1310-A光模块-SFP-GE-单模模块-(1310nm,10km,LC) SFP-FE-LX-SM1310-A光模块-SFP100M/155M-单模模块-(1310nm,15km,LC) 自己去选吧只要两端的设备都一样的模块就可以通信如果还有疑问你发邮件 到fanglh_ok@126.com