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The Aruba 2540 48G PoE+ 4SFP+ Switch (JL357A) is a high-performance, fully managed Layer 2 access switch built for digital workplaces, enterprise edge networks, and branch deployments. It delivers robust performance, advanced security, and reliable Power over Ethernet Plus (PoE+) to support IP phones, cameras, and wireless access points. With 48 Gigabit PoE+ ports and 4 integrated 10GbE SFP+ uplinks, the switch ensures scalable connectivity and simplified cloud or local management.
| Product Name | Aruba 2540 48G PoE+ 4SFP+ Switch |
| Part Number (SKU) | JL357A |
| Port Configuration | 48 x 10/100/1000 PoE+ RJ-45 ports, 4 x SFP+ 1/10GbE uplink ports |
| PoE Power Budget | 370W |
| Switching Capacity | 176 Gbps |
| Throughput | Up to 112.0 Mpps |
| Latency | < 3.8 µs (1G), < 1.6 µs (10G) |
| MAC Address Table Size | 16,384 entries |
| Dimensions (W x D x H) | 17.42 x 11.98 x 1.73 in (44.25 x 30.42 x 4.39 cm) |
| Weight | 9.83 lb (4.46 kg) |
| Processor & Memory | Dual Core ARM Cortex A9 @ 1016 MHz, 1 GB DDR3 SDRAM, 4 GB eMMC |
| Packet Buffer | 12.38 MB (4.5 MB Ingress / 7.875 MB Egress) |
| Operating Temperature | 0°C to 45°C (32°F to 113°F) |
| Operating Humidity | 15% to 95% @ 40°C, non-condensing |
| Power Supply Efficiency | 80 PLUS Silver Certified |
| Maximum Power Consumption | 459W |
| Idle Power Consumption | 48.6W |
| Airflow | Side-to-side |
| Acoustic Output | Power: 55.7 dB, Pressure: 41.7 dB |
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