DS-3E0524-E(B)
24 Gigabit RJ45 ports, 19-inch Rack-mountable Steel Case Unmanaged Switch
L2, Unmanaged, 24 Gigabit RJ45 PoE ports, 2 Gigabit RJ45, 2 Gigabit SFP uplink ports, 802.3af/at/bt, port 1-4 support Hi-PoE 90w, PoE power budget 370W, ports 21-24 support up to 300meter, 6KV surge protection, supports POE watchdog, port isolation
24 Gigabit RJ45 ports, 19-inch Rack-mountable Steel Case Unmanaged Switch
L2, Smart Managed, 24 10/100M RJ45 PoE ports, 2 Gigabit combo ports, 802.3af/at, PoE power budget 370W, Max. 300 meter long distance PoE transmission, Visualized Topology Management, Network Health Monitor, Real-Time Alarm Push and Video Control and Preview
L2, Unmanaged, 4 Gigabit RJ45 PoE ports, 2 Gigabit SFP uplink ports, 802.3af/at/bt, port 1 support Hi-PoE 60w, PoE power budget 60W, ports 3-4 support up to 300meter, 6KV surge protection, supports POE watchdog, port isolation, -30~65degreeC, DIN rail
L2, Smart Managed, 8 10/100M RJ45 PoE ports, 1 Gigabit RJ45 port, 802.3af/at, PoE power budget 110W, Max. 300 meter long distance PoE transmission, Visualized Topology Management, Network Health Monitor, Real-Time Alarm Push and Video Control and Preview