Cisco SG112-24-PoE-S 24 Port PoE+ Switch
A fanless 24‑port Gigabit Ethernet switch with two mini‑GBIC SFP slots, supporting IEEE 802.3ab and 802.3az standards. It offers four traffic queues, head‑of‑line protection, link and cable‑length detection, and rack‑mountable 1U form factor.