Cudy GS2048PS4 managed switch

The Cudy GS2048PS4 is a managed Layer 2 Gigabit Ethernet switch with 48 10/100/1000 RJ‑45 ports and four 10G SFP uplink slots, designed for PoE deployments and flexible network management. It supplies up to 720W total PoE power and supports IEEE 802.3af, 802.3at and 802.3bt standards with auto‑sensing per port, a 32,000-entry MAC address table and a switching capacity of 176 Gbit/s. The unit includes a USB 2.0 port and a console port for configuration, a metal chassis with active cooling and provisions for both 19‑inch rack and desktop installation.

Advantages

The switch combines high port density and substantial PoE power to support large numbers of powered devices such as IP cameras, access points and VoIP phones while centralizing management through L2 features. Built with a metal case, built‑in fan and venting holes, it offers reliable heat dissipation for continuous operation. Auto‑sensing PoE and port power prioritization help maintain power to critical devices, and 10G SFP uplinks provide high‑bandwidth aggregation to core switches or servers.

Suitable for

• Deployments requiring centralized PoE power for IP surveillance systems
• Wireless access point aggregation in enterprise or campus networks
• VoIP phone systems and office floor switching
• Edge aggregation with 10G uplinks to core infrastructure
• Small to medium data closet installations in 19‑inch cabinets

Key specifications

• Ports: 48 × Gigabit Ethernet (10/100/1000) RJ‑45 PoE ports; 4 × 10G SFP uplink slots
• PoE standard: IEEE 802.3af / 802.3at / 802.3bt with auto‑sensing
• Total PoE budget: 720W
• Per‑port PoE power: supports up to 90W for 802.3bt devices and backward compatibility to 30W (PoE+) and 15.4W (PoE)
• Switching capacity: 176 Gbit/s
• MAC address table: 32,000 entries
• Management: Managed Layer 2 features (VLAN, QoS, link aggregation, STP and related L2 controls)
• Interfaces for configuration: USB 2.0 port and console port
• Chassis: Metal case with built‑in fan and venting holes; suitable for 19‑inch rack or desktop mounting
• Environmental protection: Electrostatic protection to contact 6 kV / air 8 kV; MTBF > 50,000 hours
• Color: Black

How to use

Install the GS2048PS4 in a 19‑inch rack or place it on a stable desktop surface and connect the management console or USB for initial configuration. Connect uplink fiber modules to the 10G SFP slots and connect client devices to the Gigabit RJ‑45 ports. Configure VLANs, QoS, link aggregation and PoE settings through the management interface according to network design. Monitor PoE power allocation and enable port prioritization where necessary to ensure critical devices retain power.

Recommendations

For stable long‑term operation, mount the switch in a ventilated rack location, avoid obstructing vents, and allow space for airflow. When deploying many high‑power PoE devices, plan PoE budget per port and enable port power prioritization to protect essential devices. Use quality SFP modules for uplinks and follow vendor guidance for firmware updates and thermal management.