Allied Telesis CentreCOM GS900M Series copper Gigabit access switches are cost-effective and fully managed. GS900M Series switches deliver flexible uplink connectivity with one small form-factor pluggable (SFP) slot on the 8-port model and 2 or 4 unpopulated combo ports (10/100/1000T or 100/1000FX) on the 16/24-port models.CentreCOM GS900M Series switches feature quiet operation with a compact, fanless 8-port model and a variable fan control feature on the 16/24-port models. All models feature 0-50°C extended temperature capability. In addition, the CentreCOM GS900M Series includes ECO LED, ECO Trigger, and Power Saving Mode for energy efficiency. CentreCOM GS900M Series switches provide an intelligent, energy efficient, and cost-effective solution for the edge of the network.