JL557A 48‑Port Gigabit Class 4 PoE+ Switch with 4 SFP Uplinks
Product Overview
The HPE Aruba 2930F 48G PoE+ 4SFP 740W Switch (JL557A) is a Layer 3 managed switch designed for enterprise edge deployments. It offers 48 Gigabit Ethernet ports with Power over Ethernet Plus (PoE+), four SFP uplink ports, and a total PoE power budget of 740 watts. This switch is optimized for digital workplaces, providing performance, security, and ease of use with unified management tools.
Product Details and Features
| Item | Description |
| Model | JL557A |
| Series | Aruba 2930F |
| Access Ports | 48 × 10/100/1000BASE-T with PoE+ (IEEE 802.3af/at Class 4) |
| Uplink Ports | 4 × SFP (1G) |
| PoE Budget | Up to 740W total shared across all ports |
| Switching Capacity | 104 Gbps |
| Forwarding Rate | 77.4 Mpps |
| Layer Support | Layer 3 (Static Routing, RIP, OSPF, IPv6, ACLs) |
| MAC Address Table | Up to 32K entries |
| Stacking Support | Virtual Stacking Framework (VSF) |
| Cooling | Fanless design |
| Power Supply | Internal fixed AC power supply |
| Operating System | ArubaOS CX |
| Management Options | CLI, Web GUI, SNMP, Aruba Central support |
| Form Factor | 1U rack-mountable |
| Ideal For | Enterprise edge, SMB access, PoE device deployments, IoT powered networks |
Product Highlights
Provides 48 full Gigabit PoE+ ports with up to 740W total power
Includes four SFP uplink ports for flexible connectivity
Fanless, compact design suitable for noise-sensitive environments
Layer 3 routing capabilities with advanced security features
Supports Aruba VSF stacking for scalable management of multiple switches
Similar Models Comparison
| Model | Ports | PoE Support | Uplink Ports | Switching Capacity | Stacking Support |
| JL557A | 48 × 1G PoE+ | Yes (740W) | 4 × SFP | 104 Gbps | VSF |
| JL558A | 48 × 1G PoE+ | Yes (740W) | 4 × SFP+ | 176 Gbps | VSF |
| JL259A | 24 × 1G PoE+ | Yes (370W) | 4 × SFP | 128 Gbps | VSF |
Latest Models in the Same Series
| Model | Ports | Uplink Ports | PoE Budget | Recommended Use Case |
| JL557A | 48 × 1G PoE+ | 4 × SFP | 740W | Compact PoE access switch |
| JL558A | 48 × 1G PoE+ | 4 × SFP+ | 740W | High-density PoE edge switching |
| JL259A | 24 × 1G PoE+ | 4 × SFP | 370W | Mid-size access with PoE |
