S-SFP-GE-LH80-SM1550 光模块-eSFP-GE-单模模块(1550nm,80km,LC) 华为 模块 线缆 02317348 S-SFP-GE-LH80-SM1550 光模块-eSFP-GE-单模模块(1550nm,80km,LC)
