Cisco Catalyst C1000-48P-4G-L 48-Port Gigabit PoE+ Switch – 370W PoE Budget, 4x 1G SFP Uplinks, Layer 2 Managed

Business-grade Cisco switching for 48 devices, with power delivered over the same cable.

The Cisco C1000-48P-4G-L is a 48-port Gigabit Ethernet PoE+ switch from the Catalyst 1000 Series, with four 1G SFP uplinks and a 370W PoE budget. It is built for high-density wiring closets and office floors that need Cisco-grade Layer 2 management, security and reliability without enterprise licensing costs.

Why Separate Power Adapters and Unmanaged Switches Slow Down Your Deployments

Every IP phone, wireless access point or security camera that needs its own power adapter adds a wall outlet, a failure point and an extra install step. Unmanaged PoE switches solve the power problem, but give you no way to see how much power each device draws, reboot a frozen camera remotely, or keep camera traffic away from office data.

The C1000-48P-4G-L delivers IEEE 802.3at PoE+ (up to 30W per port) from a shared 370W budget, so one Ethernet cable carries both data and power. Power can be monitored and prioritized per port, and a frozen device can be power-cycled from the management interface instead of a site visit.

Because it is a managed Layer 2 switch, you can place phones, cameras and access points on their own VLANs, apply QoS so voice calls stay clear, and lock ports with 802.1X. The non-blocking 104 Gbps fabric keeps all 48 ports at full Gigabit speed while they are powering devices.

Gigabit Uplinks for Fiber or Copper Links

The 4 x 1G SFP ports let you connect this switch to a core switch or another closet over fiber, which supports longer distances than copper and is immune to electrical interference. Use Cisco 1000BASE-SX or LX SFP modules depending on distance.

Stackable Management for Growing Networks

Up to eight Catalyst 1000 switches can be stacked through the uplink ports and managed as one unit from a single IP address. That keeps configuration consistent across a closet and saves time when you add ports. The 1RU 17.48-inch-wide chassis fits a standard 19-inch rack.

How to Set Up the Cisco C1000-48P-4G-L

1. Mount the switch in a 19-inch rack using the rack-mount brackets, leaving the side vents clear, then connect power.
2. Connect your uplink to the core switch or router through an SFP module or copper cable on the uplink ports, then cable your end devices, including PoE phones, cameras and access points, to the Gigabit ports.
3. Open the web UI from a browser (or use the console port and CLI), set an admin password and management IP, and update to the latest Cisco firmware.
4. Create VLANs for staff, guest, voice and device traffic, enable Spanning Tree and port security, and save the configuration.