What are the uplink options on this switch?

Features 4 PHY-less SFP+ ports supporting 1GbE or 10GbE speeds for flexible, high-bandwidth uplinks to aggregation or core switches. These enable wire-speed backhaul with 128 Gbps total switching capacity and up to 95.2 Mpps throughput.

What is the performance and latency of the Aruba 2540 24G PoE+ 4SFP+?

Delivers 128 Gbps switching capacity and 95.2 Mpps forwarding rate, powered by Dual Core ARM Cortex A9 at 1016 MHz. Latency is <3.8 µs for 1000 Mbps and <1.6 µs for 10 Gbps ports, with 12.38 MB packet buffering for efficient congestion management.

How is the switch managed?

Supports out-of-band management via serial RS-232C or micro USB console port, plus FTP, SNMP, Telnet, RMON1, web interface, and CLI. Integrates with Aruba Central for cloud-based Zero Touch Provisioning, AirWave, and ClearPass Policy Manager for enterprise-scale operations.

What are the physical and environmental specs?

1U rack-mountable at 44.25 x 304.2 x 43.9 mm, weighing 3.9 kg. Operates 0°C to 45°C (up to 5,000 ft), 15-95% non-condensing humidity. Internal power supply uses 100-240 VAC, max 445W consumption, suitable for standard data closets.

Is this switch suitable for IPv6 environments?

Yes, it supports full IPv6 host mode and dual-stack IPv4/IPv6 operation with no licensing required. Includes robust Layer 2 features like static/RIP routing, ACLs, sFlow, and QoS for secure, future-proof deployments in mixed networks.

JL356AR - HPE 2540 24G PoE+ 4SFP+ Switch

Name: JL356AR - HPE 2540 24G PoE+ 4SFP+ Switch
Brand: HPE
SKU: JL356AR
Price: 2032 USD
Availability: InStock

JL356AR - HPE 2540 24G PoE+ 4SFP+ Switch | US IT Hardware

Product overview

The HPE Aruba 2540 24G PoE+ 4SFP+ Switch (JL356A) is a Layer 2 fully managed Gigabit access switch designed for enterprise campuses, SMBs, and branch offices. It features 24 RJ-45 autosensing 10/100/1000 PoE+ ports supporting up to 370W total PoE budget and 4 PHY-less SFP+ 1/10GbE uplink ports for high-speed connectivity. Powered by a Dual Core ARM Cortex A9 processor at 1016 MHz, it includes 1 GB DDR3 SDRAM, 12.38 MB packet buffer, and 4 GB eMMC. Performance metrics include 128 Gbps switching capacity, up to 95.2 Mpps throughput, and low latency (<3.8 µs at 1GbE, <1.6 µs at 10GbE). Management options encompass out-of-band serial RS-232C or micro USB console, FTP, SNMP, and compatibility with Aruba Central, AirWave, and ClearPass. The 1U rack-mountable unit weighs 3.9 kg, measures 44.25 x 304.2 x 43.9 mm, operates from 0°C to 45°C, and supports 100-240 VAC input with max 445W consumption. Ideal for powering APs, cameras, and IoT devices while enabling Zero Touch Provisioning.

370W PoE+ across 24 Gigabit ports for APs/IoT
4x SFP+ 1/10GbE uplinks, 128 Gbps capacity
95.2 Mpps throughput, <3.8 µs latency @1GbE
Dual Core ARM @1016 MHz, 1GB DDR3, 12.38MB buffer
Layer 2 managed with Aruba Central, ZTP support
1U rack-mount, 0-45°C operation, 445W max power

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	JL356AR
Brand	HPE
Condition	New
Model	2540 24G PoE+ 4SFP+
Product Line	Aruba 2540 Switch Series
Product Type	Layer 2 PoE+ fully managed Gigabit access switch

Storage

Memory Type	1 GB DDR3 SDRAM; Packet buffer: 12.38 MB (4.5MB Ingress/7.785MB Egress); 4 GB eMMC

Processor

Processor

Compatible systems

No specific compatibility lists found for JL356AR

Best for

Enterprise Campus Access
Provides 24 PoE+ Gigabit ports with 370W budget to power wireless APs and devices, plus 4 SFP+ 10GbE uplinks for wire-speed backhaul to core switches, ensuring low-latency performance up to 95.2 Mpps.
Branch Office Networking
Supports Zero Touch Provisioning and Aruba Central management for quick remote deployment, with robust Layer 2 features like ACLs, QoS, and IPv6 in a compact 1U form factor.
IoT and Surveillance
Delivers IEEE 802.3at PoE+ across all access ports for security cameras and IoT endpoints, backed by 12.38 MB packet buffering for congestion management.
SMB Edge Connectivity
Offers 128 Gbps switching capacity and dual-personality console port for easy out-of-band management, suitable for cost-effective Gigabit access with 10GbE uplinks.

Frequently asked questions

What PoE capabilities does the JL356A provide?

Details

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Latency	1000 Mb: <3.8 µs; 10 Gbps: <1.6 µs
Throughput	up to 95.2 Mpps
Ethernet Speed	10/100/1000BASE-T PoE+ on 24 ports; 1/10GbE on 4 SFP+ ports
Switching Capacity	128 Gbps

Max Wattage	445 W maximum
Power Supplies	Internal AC power supply; Input voltage 100-127/200-240 VAC, 50/60 Hz

Weight	3.9 kg
Dimensions	44.25 x 304.2 x 43.9 mm (H x W x D)
Form Factor	1U rack-mountable

Operating Humidity	15% to 95% @ 40°C non-condensing
Operating Temperature	0°C to 45°C (32°F to 113°F); up to 5,000 ft; -0°C to 40°C up to 10,000 ft

Interface/Ports

Network Ports	24 RJ-45 autosensing 10/100/1000 PoE+ ports (IEEE 802.3at); 4 SFP+ 1/10GbE ports (PHY-less); USB console port; Serial RS-232C or micro USB out-of-band management
Management Interface	Out-of-band management via serial RS-232C or micro USB; FTP support
Console Management Port	Yes

HPE 2540 24G PoE+ 4SFP+ Switch