24 Port PoE Power over Ethernet Switch with 2x Gigabit Uplink Ports Rackmountable
24-Port Gigabit Rack Mount PoE Injector with 24V240W Power Supplies
Amazon.com: 24 Port PoE Switch,10/100Mbps PoE+ Ethernet Switch Unmanaged with 2 Gigabit Uplink Ports,1 SFP Port Up to 30W Per Port, Total Budget 300W, 803.af/at Compliant, Fanless Silent, Rack Mount : Electronics
Amazon.com: Tripp Lite 24-Port Gigabit Ethernet Switch Rackmount Metal 1U, 2 Gigabit SFP Ports 10/100/1000Mbps (NG24) : Everything Else