1. 6 10/100M nets port, using RJ45 interface (access) 2pcs 10/100M port RJ45 interface (uplink). 2. It is applied in the industrial control, weak network system integration project, the LAN is built up quickly, and the Ethernet development. 3. Monitoring, alarm, broadcasting, entrance guard, video intercom, parking lot, traffic, power, and other network digital weak current system engineering. Specification: Standard: IEEE 802.3/IEEE 802.3U/IEEE 802.3z/IEEE 802.3x/IEEE 802.1P ANSI/IEEE STD 802.3 10/100M Adaptive Agreement: CSMA / CD, TCP / IP Single mode single fiber: 25-120KM Single mode double fiber: 25-120KM Port: 6pcs 10/100M Internet access, using RJ45 connector to connect to two 10/100M Internet access, RJ45 connector (uplink). Network sequence: 4 chips 100M 1 orange white 2 Orange 3 Green white 6 green POE mode: 3-8 ports support constrained POE non-protocol power supply 4 Blue 5 blue white power positive (+), 7 Brown White 8 Brown negative (-), need to be used with cable separator Connection and transmission mode: 100M net electric hybrid power Uplink transmission: 100M RJ45 Internet access Flow control: full duplex 1EEE802.3x flow control; half duplex back pressure flow control. Transmission mode: store and forward Exchange level: 2 level After bandwidth: 1G address format: 4K address research: automatic update Delay rate: 9.6us BER:Less than 1000000000/1 Power input range: DC 6V - 56V Machine power consumption: Less than 5W MTBF:10 million hours Working temperature: -40~ -70 Celsius Storage temperature: -40~ -80 Celsius Humidity: 5%~90% without condensation Colour:Black Material:plastic Package Contents: 4 * POE Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.