研华工业交换机EKI-2428G-4FA 

         24GE+4G SFP Port L2 Unmanaged Switch with AC Input

         24 x Gigabit copper ports + 4 x Gigabit SFP ports

•        SFP socket for Easy and Flexible Fiber Expansion
•        Provides 8K MAC address
•        100~240V AC power input