2/4pcs Gigabit Fiber Switch 1.25G PCBA Board SC 2F4E placa metro fibra Singlemode Optical Converter Switch Ethernet 10/100/1000M

2/4pcs Gigabit Fiber Switch 1.25G PCBA Board SC 2F4E placa metro fibra Singlemode Optical Converter Switch Ethernet 10/100/1000M

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