• Fiber Ports: 2 (SINGLE MODE up to 20Km)
• UTP LAN Ports: 8
• Connectivity: 10/100/1000 Mbps
• Supported Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
• Transmission Distance: Up to 20 kilometers (fiber optic)
• Power Input: DC 52V 2.5A
• Operating Temperature: 0°C to 50°C
• Electrical interface: 100M/1000M 4* 10/100Base-TX RJ45
• Ethernet port Optical interface: 100M/1000  2*100/1000MBase-FX Ethernet 1*9 optical module /LC SFP
• Back bandwidth: 1.25Gbps
• Packet forwarding rate: 1.0MPPS
• MAC table entries: 1024
• Maximum packet length: 1600BYTE
• Electrical index Lightning protection index:AC power supply port: differential mode +/-2kV, common mode +/-4kV; service interface: common mode +/-6kV
• Relative humidity: 5% – 90% No condensation
• Operating temperature: 0℃ – 50℃
• Storage temperature: -20 ~ 70℃
• Barrier free working time: ＞70000 hours Safety standards Industry standard
• EMI：FCC Part15 Class A
• EMS：EN61000-4-2(ESD)， EN61000-4-3(RS)，       Industry：IEC6100-6-2              EN61000-4-4(EFT)，EN61000-4-5(Surge)，
• Traffic：EN50155.EN50121-4         EN61000-4-6(CS)， EN61000-4-7(Common mode conduction)
• Railway：NEMA TS-2
• Coal：GB/T3836.1/2/3/4 Product technical agreement 10BASE-T IEEE802.3u Ethernet, 100BASE-TX ANSI/IEEE Fast Ethernet, N 802.3 Way IEEE802.3x automatic negotiation I