Cisco WS-C3750G-48PS-E Layer 3 Gigabit PoE Switch

The Cisco WS-C3750G-48PS-E is a 48-port Layer 3 Gigabit Ethernet switch with integrated Power over Ethernet, part of the Cisco Catalyst 3750G Series for enterprise networking systems. It supplies 48 Gigabit Ethernet RJ-45 PoE ports and 4 Gigabit SFP uplink interfaces, delivering up to 32 Gbps of switching capacity and a forwarding rate of up to 38.7 Mpps. It supports IEEE 802.3af PoE with a total PoE budget up to 370 W, enabling power delivery to IP phones, wireless access points, cameras, and other PoE-enabled devices. Cisco StackWise provides switch stacking with up to 32 Gbps of stack bandwidth for scalable deployment, while the switch operates at Layer 2 and Layer 3. Management is available via CLI, SNMP, and a Web-based interface, and the unit is 1U rack-mountable with an internal AC power supply. Alternate part number WSC3750G48PSE; common replacements include WS-C3750X-48PF-S, WS-C3850-48P-S, and C9300-48P-E. Typical deployments encompass corporate campuses and enterprise access-layer infrastructures requiring high-density PoE and reliable switching performance.