JL355A - HPE Aruba 2540 48G 4SFP+ Switch Switch

Name: JL355A - HPE Aruba 2540 48G 4SFP+ Switch Switch
Brand: HPE
SKU: JL355A
Price: 628 USD
Availability: InStock

JL355A - HPE Aruba 2540 48G 4SFP+ Switch Switch | US IT Hardware

Product overview

The HPE Aruba 2540 48G 4SFP+ Switch (JL355A) is a managed Layer 2/3 Gigabit Ethernet switch designed for enterprise campus networks, branch offices, and distributed deployments. It features 48 autosensing 10/100/1000 Mbps RJ-45 ports plus 4 flexible 1G/10G SFP+ ports for uplink connectivity. With 176 Gbps non-blocking switching capacity and 112 Mpps throughput, the switch delivers wire-speed performance across all ports. The device includes 1 GB DDR3 SDRAM, 4 GB flash memory, and an ARM-based processor running at 1016 MHz. Advanced security capabilities include SSL encryption, RADIUS/TACACS+ authentication, and SSH v2 support. The switch operates on AC 120/230V (50/60 Hz) with low power consumption of 46.6 watts. Available in desktop, rack-mountable, and wall-mountable form factors, it supports comprehensive network management through console and USB management interfaces. The 2540 series is optimized for mobile-first digital workplace environments with integrated security and centralized management tools.

176 Gbps non-blocking switching capacity.
48x 10/100/1000 Mbps ports plus 4x 1G/10G SFP+.
112 Mpps throughput with sub-4µs latency.
Advanced security: SSL, RADIUS, TACACS+, SSH v2.
Low power consumption at 46.6 watts operational.
Flexible form factors: desktop, rack, wall-mountable.

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 #	JL355A
Brand	HPE
Condition	Refurbished
Subtype	Gigabit Ethernet
Model Name	Aruba 2540 48G 4SFP+ Switch
Device Type	Switch - 48 Ports - Managed
Product Line	Aruba 2540 Switch Series
Product Type	Managed Layer 2/3 Gigabit Ethernet Switch
Layer Support	Layer 2/3 (Data Link and Network layers)
Operating System	Aruba OS
Network Management	HPE Aruba Networking Central (cloud-based), local console management

Compatible systems

The JL355A integrates seamlessly with HPE Aruba Networking infrastructure and supports standard Ethernet transceivers and cables. SFP+ ports accept both optical (1310nm, 850nm) and copper transceiver modules for flexible uplink connectivity. Management is via console, USB, or centralized Aruba Networking Central platform.

HPE Aruba Networking
Model: 2540 Switch Series
Form factor: 1U Rack-mountable, Desktop, Wall-mountable
Generation: 2540
Part of HPE Aruba 2540 series; compatible with other 2540 models (JL354A 24G, JL356A 24G 4SFP+, JL357A 48G 4SFP+) in same product line.

Best for

Campus Networks
Primary access layer switch for enterprise campus buildings and multi-floor deployments requiring high port density and reliable Gigabit connectivity to end-user devices.
Branch Offices
Distributed branch office networking providing secure, managed connectivity with RADIUS/TACACS+ authentication and SSL encryption for remote site deployments.
Access Layer
Top-of-rack or end-of-row access switch in data center and enterprise environments connecting servers, storage, and network infrastructure with low-latency forwarding.
Mobile-First Environments
Optimized for wireless controller integration and mobile device connectivity in modern digital workplace deployments with centralized management.

Details

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Management Interface	Console (RJ-45), USB Type B, centralized Aruba Networking Central

MAC Address Table Size	16,384 entries

Memory	1 GB DDR3 SDRAM
Flash Storage	4 GB

Processor	ARM-based processor, 1016 MHz

Network & Communication

Throughput	112 Mpps (million packets per second)
Latency 10Gbps	<1.6 microseconds (64-byte packets)
Latency 1000Mbps	<3.8 microseconds (64-byte packets)
Switching Capacity	176 Gbps non-blocking

Encryption	SSL (Secure Sockets Layer)
Authentication Methods	RADIUS, TACACS+, SSH v2

Input Voltage	AC 120/230V (50/60 Hz)
Power Supply Type	Internal AC power supply
Power Consumption Operational	46.6 watts

Form Factor	1U Rack-mountable, Desktop, Wall-mountable
Enclosure Type	Desktop, Rack-mountable (1U), Wall-mountable
Mounting Options	Rack mount (1U), desktop stand, wall bracket

Interface/Ports

SFP+ Ports	4x 1G/10G Gigabit/10 Gigabit Ethernet SFP+ ports
Management Ports	1x RJ-45 console port, 1x Type B USB management port
Gigabit Ethernet Ports	48x 10/100/1000 Mbps RJ-45 autosensing ports
Unsupported Transceivers	J9152A/J9152D (LRM) not supported in any 2540 model
Compatible Transceivers SFP+	J9150A/J9150D, J9151A/J9151D, J9153A/J9153D (optical); Gigabit SFP copper modules (RJ-45)

Frequently asked questions

What is the switching capacity and throughput of the HPE JL355A?

The Aruba 2540 48G 4SFP+ delivers 176 Gbps non-blocking switching capacity with 112 Mpps throughput. Latency is sub-4 microseconds for 1000 Mbps traffic and sub-1.6 microseconds for 10 Gbps traffic on 64-byte packets, ensuring wire-speed performance across all 48 Gigabit ports simultaneously without oversubscription.

What port configurations does the JL355A support?

The switch includes 48 autosensing 10/100/1000 Mbps RJ-45 ports for end-device connectivity, plus 4 flexible 1G/10G SFP+ ports for uplink connections. The SFP+ ports support both Gigabit and 10 Gigabit Ethernet transceivers, enabling flexible uplink speed selection based on deployment requirements.

What security features are included in the JL355A?

Security capabilities include SSL encryption for management traffic, RADIUS and TACACS+ authentication for centralized user access control, and SSH v2 for secure command-line management. The switch supports 16,384 MAC address table entries for network segmentation and advanced access control policies.

What are the power and environmental specifications?

The JL355A operates on AC 120/230V (50/60 Hz) with only 46.6 watts operational power consumption, making it highly efficient for continuous deployment. It supports desktop, rack-mountable (1U), and wall-mountable form factors, providing flexible installation options in various network environments.

Is the JL355A suitable for data center deployments?

Yes, the Aruba 2540 48G 4SFP+ is well-suited for small-to-medium data centers and colocation facilities as an access-layer switch. Its 176 Gbps capacity, low latency, and managed Layer 2/3 capabilities support server and storage connectivity, while the 4x 10G SFP+ ports enable high-speed uplinks to core infrastructure.

What management and monitoring capabilities does the JL355A provide?

The switch includes RJ-45 console port and Type B USB management interface for local administration. It supports RADIUS/TACACS+ for centralized authentication, SSH v2 for secure remote management, and integrates with HPE Aruba Networking Central for cloud-based network management and monitoring across distributed deployments.

What transceivers are compatible with the SFP+ ports?

The 2540 series SFP+ ports support both copper (RJ-45) and optical transceiver modules. Compatible optical modules include J9150A/J9150D and J9151A/J9151D (1310nm), and J9153A/J9153D (850nm) for multimode fiber. Copper transceivers enable direct RJ-45 connections for shorter uplink distances without fiber infrastructure.

HPE Aruba 2540 48G 4SFP+ Switch Switch

Product overview

Featuring

Compatible systems

Best for

Details

Shipping, warranty & returns

Customer reviews

Storage

Processor

Network & Communication

Security

Power Consumption

Physical Characteristics

Interface/Ports

Frequently asked questions