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HP JG257A 5800-48G-PoE+ 48-Port + 4-Port SFP+ Layer 3 Switch
- 48 x 10/100/1000 Mbps Gigabit Ethernet ports.
- All 48 ports support PoE+ (Power over Ethernet Plus) with up to 30W per port.
- 4 x 10 GbE SFP+ uplink ports.
- Layer 3 switching capabilities for advanced routing.
- High performance and low latency for demanding applications.
- Suitable for enterprise campus core/aggregation and data center Top-of-Rack (ToR).
- Supports advanced security, QoS, and redundancy features.
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Product Overview
The HP JG257A 5800-48G-PoE+ is a 48-port Layer 3 switch featuring 48 Gigabit Ethernet PoE+ ports and 4 SFP+ uplink ports. It is designed for high-performance enterprise campus and data center networks.
Technical Information
| Product Type | Layer 3 Switch |
| Model | HP 5800-48G-PoE+ |
| SKU | JG257A |
| Total Ports | 52 (48x GbE PoE+, 4x SFP+) |
| Gigabit Ethernet Ports | 48 x 10/100/1000 Mbps |
Additional Specifications
| PoE Support | PoE+ (802.3at) |
| Uplink Ports | 4 x 10 GbE SFP+ |
| Switching Capacity | High (specific value varies) |
| Forwarding Rate | High (specific value varies) |
| Layer | Layer 3 |
Product Description
The HP JG257A, part of the 5800 series, is a high-performance Layer 3 switch designed for demanding enterprise campus and data center environments. It features 48 Gigabit Ethernet ports, all of which support the IEEE 802.3at PoE+ standard, providing up to 30 watts of power per port. This extensive PoE+ capability allows for the efficient deployment of power-hungry devices such as high-density wireless access points, IP surveillance cameras, and advanced IP phones without the need for separate power supplies. The switch also includes four 10 Gigabit SFP+ uplink ports, offering high-bandwidth connectivity for aggregation to core switches or high-speed server connections, ensuring minimal network bottlenecks. As a Layer 3 switch, the JG257A provides advanced routing capabilities, enabling sophisticated network segmentation, inter-VLAN routing, and policy-based routing. This makes it suitable for complex network architectures that require robust traffic management and security. Its high switching capacity and forwarding rate ensure that data is processed efficiently with low latency, making it ideal for performance-sensitive applications, virtualization, and high-density deployments. The switch is often deployed as a Top-of-Rack (ToR) switch in data centers or as a core/aggregation switch in enterprise campus networks. Built for reliability and scalability, the HP 5800-48G-PoE+ switch incorporates advanced features such as robust security policies, comprehensive Quality of Service (QoS) controls for traffic prioritization, and support for high availability protocols. Its design emphasizes ease of management and deployment, providing administrators with powerful tools to monitor, control, and optimize network performance. The combination of extensive PoE+ support, high-speed uplinks, and Layer 3 intelligence makes the HP JG257A a versatile and powerful solution for modern enterprise networking.



