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Aruba JL357AR#ABG 2540 48G PoE+ 4SFP+ IoT Ready Cloud Managed Access Switch - 48 Port Gigabit PoE+ - 4 x 10Gb SFP+ - Layer 2 - 1U Rack-Mountable
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Product Features
Technical Overview
This Aruba switch features 48 Gigabit Ethernet ports with PoE+ capability, delivering up to 30W per port to power connected devices. The four SFP+ slots support 10 Gigabit Ethernet expansion, allowing for high-bandwidth uplinks using either twisted pair or optical fiber media. Layer 2 switching ensures efficient traffic management with support for standards like 1000Base-X, 10/100/1000Base-T, and 10GBase-X, achieving a maximum data transfer rate of 1.25 GB/s.
Managed through cloud-based tools, the switch provides granular control over network policies, VLANs, and quality of service (QoS). The built-in power supply ensures stable operation, though redundant power supply support is not included. Its modular design facilitates easy upgrades, while the absence of a stack port means it operates as a standalone unit rather than in a stacked configuration.
This section brings together practical product details such as Features, Total Number of Network Ports, Network (RJ-45), Uplink Port, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The Aruba 2540 switch stands out with its IoT readiness and cloud manageability, reducing the need for on-premises controllers. Its high port density and PoE+ support make it perfect for powering and connecting a wide range of network devices, from security cameras to VoIP phones. The SFP+ uplinks future-proof your network by enabling 10 Gigabit connections, ensuring scalability as bandwidth demands grow.
IoT Integration
Designed for IoT deployments, this switch simplifies connecting and managing smart devices across your network, enhancing operational efficiency.
- Supports IoT sensors and devices
- Centralized cloud management
- Reduces infrastructure complexity
Power over Ethernet Plus
Delivers up to 30W per port to power devices like IP phones and wireless access points, eliminating the need for separate power adapters.
- 48 PoE+ ports
- Simplifies cabling
- Reduces power clutter
High-Speed Uplinks
Four SFP+ slots provide 10 Gigabit Ethernet uplinks, ensuring fast backbone connections and minimizing network bottlenecks.
- 10Gb expansion capability
- Supports fiber and copper
- Enhances network throughput
Deployment / Use Cases
This switch is well-suited for medium to large business environments requiring reliable access layer switching. Its 48 PoE+ ports make it ideal for offices with extensive VoIP phone systems, wireless networks, or security camera setups, where centralized power and data delivery are crucial. The cloud management capabilities allow IT teams to configure and monitor the switch remotely, reducing on-site maintenance needs.
In educational institutions, the switch can support computer labs, classroom technology, and administrative networks, with the SFP+ uplinks connecting to core infrastructure. Retail stores can use it to power point-of-sale systems, digital signage, and inventory scanners, leveraging its IoT readiness for smart retail applications. The 1U rack-mount design ensures it integrates smoothly into server rooms or network closets, supporting organized cable management and professional installations.
Physical Profile
The switch features a compact 1U rack-mountable form factor, measuring 1.73" (43.94 mm) in height, 17.42" (442.47 mm) in width, and 11.98" (304.29 mm) in depth. Weighing approximately 9.83 lb (4458.81 g), it is lightweight yet durable, designed for easy installation in standard 19-inch server racks. The rack-mounting capability helps organize cables and secure connections, promoting a tidy and professional network setup. Its dimensions ensure efficient use of rack space, making it suitable for data centers or network closets where space optimization is key.
- Width
- 17.42" (442.47 mm)
- Depth
- 11.98" (304.29 mm)
- Height
- 1.73" (43.94 mm)
- Weight
- 9.83 lb (4458.81 g)
Highlights
- 48 Gigabit Ethernet PoE+ ports for high-density device connectivity
- 4 SFP+ expansion slots supporting 10 Gigabit uplinks
- Cloud-manageable design for remote configuration and monitoring
- Layer 2 switching with Access Control List (ACL) security
- IoT ready, ideal for smart device integration
- 1U rack-mountable form factor for space-efficient installation
- Supports twisted pair and optical fiber media types
- Built-in power supply ensures reliable operation
Specifications
| Specifications | |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Manufacturer Part Number | JL357AR#ABG |
| Brand Name | Aruba |
| Product Series | 2540 |
| Product Model | 2540 48G PoE+ 4SFP+ |
| Product Name | IoT Ready and Cloud Manageable Access Switch |
| Product Condition | Refurbished |
| Product Type | Ethernet Switch |
| Technical Information | |
| Features | Access Control List |
| Interfaces/Ports | |
| Total Number of Network Ports | 48 |
| Network (RJ-45) | Yes |
| Uplink Port | Yes |
| Modular | Yes |
| Stack Port | No |
| Port/Expansion Slot Details | 48 x Gigabit Ethernet PoE+,4 x 10 Gigabit Ethernet Expansion Slot |
| Media & Performance | |
| Media Type Supported | Twisted Pair,Optical Fiber |
| Ethernet Technology | Gigabit Ethernet,10 Gigabit Ethernet |
| Network Technology | 1000Base-X,10/100/1000Base-T,10GBase-X |
| Maximum Data Transfer Rate | 1.25 GB/s |
| I/O Expansions | |
| Total Number of Expansion Slots | 4 |
| Expansion Slot Type | SFP+ |
| Number of SFP+ Slots | 4 |
| Network & Communication | |
| Layer Supported | 2 |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| PoE (RJ-45) Port | Yes |
| Power Source | Power Supply |
| Redundant Power Supply Supported | No |
| Physical Characteristics | |
| Compatible Rack Unit | 1U |
| Form Factor | Rack-mountable |
| Height | 1.73" (43.94 mm) |
| Width | 17.42" (442.47 mm) |
| Depth | 11.98" (304.29 mm) |
| Weight (Approximate) | 9.83 lb (4458.81 g) |
User Manual
FAQ
How many PoE+ ports does this Aruba switch have?
This Aruba JL357AR#ABG switch includes 48 Gigabit Ethernet ports, all of which support Power over Ethernet Plus (PoE+). This allows you to deliver both data and power to connected devices like IP phones, wireless access points, and security cameras, simplifying cabling and reducing the need for additional power outlets.
What types of uplink options are available with this switch?
The switch features four SFP+ expansion slots that support 10 Gigabit Ethernet uplinks. These slots are compatible with both twisted pair and optical fiber media, providing flexibility for high-speed connections to core switches or servers, ensuring your network backbone can handle increased bandwidth demands.
Is this switch manageable, and how can it be configured?
Yes, this switch is fully manageable and supports cloud-based management. This allows IT administrators to configure, monitor, and troubleshoot the switch remotely through web-based tools, enabling centralized control over network policies, VLANs, and security settings without requiring on-site access.
What is the maximum data transfer rate of this switch?
The switch achieves a maximum data transfer rate of 1.25 GB/s. This performance is supported by its Gigabit Ethernet and 10 Gigabit Ethernet technologies, ensuring fast and efficient data handling for business applications, file transfers, and network traffic across connected devices.
Can this switch be mounted in a standard server rack?
Yes, this switch is designed for rack mounting with a 1U form factor. It is compatible with standard 19-inch server racks, making it easy to integrate into data centers or network closets. The rack-mountable design helps organize cables and secure the switch for professional installations.
Does this switch support redundant power supplies?
No, this switch does not support redundant power supplies. It includes a built-in power supply that provides stable operation, but for environments requiring power redundancy, you would need to consider additional UPS units or alternative switch models with dual power supply options.
What uplink, SFP, fiber, or media support detail is listed?
The warranty or support detail listed is Yes, giving buyers a clearer picture of expected coverage after purchase.
Does the product support PoE or wireless networking?
Connectivity support is listed in the product specifications, including the relevant wireless or port options when available.
| Qty | Price | Available |
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