Features:Support the switch between 10/100/1000Base-TX and 1000Base-SX/LX2x1.25Gbps full-duplex fiber ports and 2x10/100/1000M Ethernet ports with auto-negotiation function.Support 1000M speed rate, MDI/MDIX and half/full-duplex with auto-negotiation functionEach port has the complete LED Indicator lightSupport single mode single fiber,single mode dual fiber ,multi-mode dual fiber and SFP slotSupported standards and protocols: IEEE 802.3 Ethernet media access control protocol; IEEE 802.3i 10BASE-T EthernettSupport high performance QoS function on each portSupport IEEE 802.3x flow control and back pressure controlRequire no configuration and will instantly operate as soon as you power it upLow power consumption chip with heat sink built in to ensure longtime efficient operationOptional system mode, built-in crash restart function (for 2 minutes without data, it will automatically restart)Data transmission rate Fast Ethernet full duplex/half duplex Specifications:Emission wavelength: 1310 and 1550 (nm)Ports: 2x1.25Gbps full-duplex fiber ports and 2x 10/100/1000M Ethernet ports with auto-negotiation functionPerformance Core Master: 88E6320-A0-NAZ2C000Backplane Bandwidth / MAC- 5.6G / 16K Working Temperature: -2075Storage Temperature: -4085Working Humidity: 10%90% RH non-condensingStorage Humidity: 5%90% RH non-condensingInput Power 5V 1A / 5V 2A10Base-T: 2 pairs of Category 3 (Cat3) or above UTP/STP (100m)Network media 100Base-TX: 2 pairs of Category 5 (Cat5) or above UTP/STP (100m)1000Base-TX: 2 pairs of Category 6 (Cat6) or above UTP/STP (100m)Physical specifications Product size: 90mmx72mmx25mm/ 3.54x2.83x0.98inWeight 0.8kg Note:Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.Please allow 0-3mm error due to manual measurment. Package includes:1 PC x Network Switch