Description: brand new and high quality Features: 8 Optical fiber modules and 2 RJ45 electrical ports RJ45 electrical port can adapt to 10/100/1000M, full/half duplex mode, straight line/for cross line connection mode. Support flow control, can prevent broadcast for storm. Support port parallel function (Trunking). Supports long information packets up to 1632 bytes. Low power consumption (10W), low heat generation, and good stability. Specifications: Product Configuration: Downlink: 8 100M optical ports, which can be connected with 100M 1 light 1 electricity, 1 light 2 electricity, 1 light 4 electricity, 1 light 7 electricity, 1 light 8 electricity Uplink: 2 gigabit electrical ports, 10/100/1000M self-adaptive, can be connected to the switch Applicable Standards: IEEE802.3/u/z/ab, 10Base-T, 100Base-TX, 1000Base-T and 1000Base-X Address Table ofMAC : 8K (automatically updated) Frame Memory: 1MKb shared Interface Standard: electrical port: RJ-45, 10/100/1000Mbps (adaptive), optical port: 100Mbps Cable: Twisted Pair: Category 5E or Category 6 (the longest distance is up to 100 meters) Optical Fiber (multimode): 50/125, 62.5/125m (the longest distance is 550/224 meters) Optical Fiber (single mode): 8/125, 8.7/125, 9/125m (the longest distance is 10-100 kilometers) Flow Control: full-duplex IEEE802.3x flow control; half-duplex back pressure flow control LED Indicator: PWR, SFP1 Link/Act, SFP2 Link/Act; SFP3 Link/Act, SFP4 Link/Act, SFP5 Link/Act; SFP6 Link/Act, SFP7 Link/Act, SFP8 Link/Act; TP Link/Act , TP SPD Power: AC 220V (100-240V), 5060Hz; DC: 5V, 2A Ambient Temperature: 0 +50 Storage Temperature: -40 +70 Humidity: 5% to 90% Material: Printed Circuit Board Size: Approx. 18.8x10 for cm/7.40x3.93 inch Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you mind. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece 1000M Gigabit Ethernet Switch Module