HPE Aruba Networking JL356A 2540 24G PoE+ 4SFP+ Switch

HPE Aruba 2540 24G PoE+ 4SFP+ Switch (JL356A)

The HPE Aruba 2540 24G PoE+ 4SFP+ Switch (JL356A) is a fully managed Gigabit access layer switch built for the modern digital workplace. Designed to support mobile users and IoT devices, it delivers reliable connectivity, advanced security, and simplified management. With 24 Gigabit PoE+ ports and a total power budget of 370W, it efficiently powers IP phones, wireless access points, and security cameras. Four 10GbE SFP+ uplinks provide flexible, high-speed fiber connectivity, making it ideal for small to medium-sized enterprises, branch offices, and campus networks.

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Key Features:

• 24 x PoE+ Gigabit Ports: Up to 30W per port, with 370W total budget for powering APs, VoIP phones, and IP cameras.
• 4 x 10GbE SFP+ Uplinks: Scalable high-speed fiber uplinks to support future network growth.
• Layer 2 with Basic Layer 3 Services: Includes Static and RIP routing, VLANs, ACLs, and QoS for optimized traffic control.
• Simplified Deployment & Management: Zero Touch Provisioning with support for Aruba AirWave, Aruba Central, CLI, and Web GUI.
• Energy-Efficient: IEEE 802.3az compliance lowers power usage during low activity.

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Technical Overview:

• Recommended for: Small to medium-sized enterprises, campus access layers, branch offices, and IoT-heavy deployments.
• Ports: 24 x 10/100/1000 PoE+ RJ-45, 4 x 1/10GbE SFP+ uplinks.
• PoE Budget: 370W PoE+.
• Switching Capacity: 128 Gbps.
• Forwarding Rate: 95.2 Mpps.
• Latency: <3.8 µs (1 Gb), <1.6 µs (10 Gb).
• Management: Aruba Central, Aruba AirWave, CLI, Web GUI, SNMP.
• Routing: Static and RIP routing support.
• Memory/Processor: Dual Core ARM Cortex-A9 @ 1016 MHz; 1 GB DDR3 SDRAM; 12.38 MB packet buffer; 4 GB eMMC.
• Operating Range: 0–45°C (32–113°F) up to 5,000 ft / 0–40°C (32–104°F) up to 10,000 ft.
• Power Consumption: Max 445W; Idle 36.8W.
• Dimensions/Weight: 4.39 x 44.25 x 30.42 cm (1.73 x 17.42 x 11.98 in); 3.9 kg (8.6 lb).

Properties	HPE Aruba 2540 24G PoE+ 4SFP+ Switch (JL356A)
Description	Managed Layer 2 switch with basic Layer 3 features, 24x 10/100/1000 PoE+ ports, and 4x 1/10GbE SFP+ uplink ports.
Product Family	Aruba 2540 Switch Series
Product Type	Ethernet Switch
I/O ports and slots	24 RJ-45 autosensing 10/100/1000 PoE+ ports 4 SFP+ 1/10GbE ports; PHY-less
Additional ports and slots	1 dual-personality (RJ-45 or USB micro-B) serial console port
Dimensions (H x W x D)	4.39 x 44.25 x 30.42 cm (1.73 x 17.42 x 11.98 in) (1U height)
Weight	3.9 kg (8.6 lb)
Memory and processor	Dual Core ARM Coretex A9 @ 1016 MHz, 1 GB DDR3 SDRAM; Packet buffer size: 12.38 MB (4.5MB Ingress/7.785 Egress), 4 GB eMMC

Performance
1000 Mb Latency	< 3.8 µs (64-byte packets)
10 Gbps Latency	< 1.6 µs (64-byte packets)
Throughput	up to 95.2 Mpps
Switching capacity	128 Gbps
Routing table size	2,000 entries (IPv4), 1,000 entries (IPv6)
MAC address table size	16,384 entries
Environment
Operating temperature	0° to 45°C (32° to 113°F) up to 5,000 ft; 0° to 40°C (32° to 104°F) up to 10,000 ft
Acoustic	Power: 54.1 dB, Pressure: 40.6 dB
Airflow Direction	Side-to-side
Electrical
Frequency	50/60 Hz
Voltage	100-127 / 200-240 VAC, rated
Current	4.9/2.4 A
Maximum Power Rating	445 W
Idle Power	36.8 W
PoE Power	370 W PoE+
Safety and Emissions
Safety	UL 60950-1 2nd Edition; EN 60950-1:2006 +A11:2009 +A1:2010 +A12:2011+A2:2013; IEC 60950-1:2005 +A1:2009 +A2:2013; CSA 22.2 No. 60950-1-07 2nd; EN 60825-1:2007/IEC 60825-1:2007 Class 1
Emissions	VCCI Class A; CNS 13438; ICES-003 Class A; FCC CFR 47 Part 15, Class A; EN 55022: 2010/CISPR-22, Class A

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