40KM SC千兆1310/1490单模单纤SFP BIDI交换机收发器1.25G光模块 ¥97.00 20KM SC千兆1310/1490单模单纤SFP BIDI交换机收发器1.25G光模块 ¥68.00 5KM万兆10G单模SFP+单纤BIDI交换机1270/1330电信LC机房光纤模块 ¥129.90 CWDM波分复用器4\6\8\16合波解波1270~1610nm全通道定制ABS定制1U ¥45.00 120KM千兆1.25G单模SFP单纤BIDI交换机服务器1490/1550机房光模块 ¥419.90 1.25G千兆3~200KM单纤BIDI交换机收发器电信机房光模块 面议