HP 1810-24 v2 Switch (J9801A) Specific models include SFP ports for fiber connectivity. All models support flexible deployment options, including mounting on walls, under tables, or on desktops Some models are fanless, making them ideal for office deployments. The 8-port Gigabit Ethernet model can optionally be powered by an upstream Power over Ethernet (PoE) switch Auto-MDI/MDIX: automatically adjusts for straight-through or crossover cables on all ports