Auto-Negotiation RJ45 ports and 2 10/100/1000M Auto-Negotiation RJ45 ports, all RJ45 ports SupportAuto-MDI/MDIX function. TL-SL1226 Gigabit Switch provides a cost-effective, high performance, non-disruptive, smooth evolution into 1000M solutions. The Switch delivers superior performance with improving workgroup, network bandwidth, increasing network node, providing the greater flexibility, installation convenience