HPE JL357A - Aruba 2540 Series Switches
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JL357A
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JL357A Overview
Aruba 2540 48G PoE+ 4SFP+ Switch JL357A
Overview
JL357A Overview
Aruba 2540 48G PoE+ 4SFP+, Managed, L2, Gigabit Ethernet (10/100/1000), Power over Ethernet (PoE), Rack mounting, 1U
JL357A is an Aruba 2540 48G PoE+ 4SFP+ Switch. Designed for the digital workplace, the Aruba 2540 Switch Series is optimized for mobile users. With advanced security and network management tools — Aruba ClearPass Policy Manager and Aruba AirWave — this Layer 2 access switch is easy to deploy and manage.
Quick Spec
Model | JL357A |
Ports | (48) RJ-45 autosensing 10/100/1000 PoE+ ports |
Memory and processor | Dual Core ARM Coretex A9 @ 1016 MHz |
Latency | 1000 Mb Latency: < 3.8 µs |
Throughput | up to 112 Mpps |
Switching capacity | 176 Gbps |
PoE capability | 370 W PoE+ |
Product Details
Figure 1 shows the front view of JL357A.
Note:
① | ② | ③ |
SFP+ ports | 10/100/1000Base-T RJ-45 ports | RJ Serial Console |
Compare to Similar Item
Model | JL357A | J9772A |
Ports | (48) RJ-45 autosensing 10/100/1000 PoE+ ports | · 48 RJ-45 autosensing 10/100/1000 PoE+ ports · 4 fixed Gigabit Ethernet SFP ports · 1 Dual-personality (RJ-45 or USB micro-B) serial console port. |
Throughput | up to 112 Mpps | Up to 77.3 million pps (64-byte packets) |
Switching capacity | 176 Gbps | 104 Gb/s |
PoE capability | 370 W PoE+ | 382 W |
Aruba 2540 48G PoE+ 4SFP+ Switch
- Managed L2 Web-based management
- Quality of Service (QoS) support
- Basic switching RJ-45 Ethernet ports quantity: 48
- 10G support 10BASE-T, 100BASE-TX, 1000BASE-T
- MAC address table: 16384 entries Switching capacity: 176 Gbit/s
- Access Control List (ACL)
- 1U Rack mounting
- Power over Ethernet (PoE)
Summary Description
Aruba 2540 48G PoE+ 4SFP+, Managed, L2, Gigabit Ethernet (10/100/1000), Power over Ethernet (PoE), Rack mounting, 1U
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Specification
JL357A Specification
JL357A Specification | |
Ports | (48) RJ-45 autosensing 10/100/1000 PoE+ ports |
Memory and processor | Dual Core ARM Coretex A9 @ 1016 MHz |
Latency | 1000 Mb Latency: < 3.8 µs |
Throughput | up to 112 Mpps |
Switching capacity | 176 Gbps |
PoE capability | 370 W PoE+ |
Management features | Aruba AirWave Network Management |
Input voltage | 100 - 127 / 200 - 240 VAC, rated |
Power consumption | 459 W (maximum) |
Heat dissipation | 1566 BTU/hr (1652.13 kJ/hr) |
Product dimensions (H x W x D) | 17.42 x 11.98 x 1.73 in |
Weight | 17.49 KG |
Resources
Frequently Asked Questions
What are the primary networking advantages of deploying the Aruba 2540 48G PoE+ switch? +
The Aruba 2540 48G PoE+ (JL357A) is designed for edge deployments requiring high-performance connectivity. It features 48 Gigabit Ethernet ports with full PoE+ support for powering wireless access points, cameras, and VoIP phones. With four 10GbE SFP+ uplinks, this switch ensures high-bandwidth throughput to the core, making it an ideal candidate for growing enterprise campus environments that demand reliable, low-latency access layer switching.
Does the JL357A support advanced management protocols for enterprise network visibility? +
Yes, this managed switch supports a robust set of management features including Aruba AirWave, Aruba ClearPass Policy Manager, and Aruba Central cloud-based management. These tools provide deep visibility, simplified deployment, and automated configuration, allowing network administrators to manage security policies and traffic monitoring across the network fabric efficiently, ensuring consistent performance for critical business applications.
Can the Aruba 2540 provide enough power for modern high-density PoE+ devices? +
The JL357A is engineered to handle demanding power requirements, offering IEEE 802.3at PoE+ support across its 48 ports. This allows the switch to supply up to 30 watts per port, which is essential for modern Wi-Fi 6 access points, pan-tilt-zoom security cameras, and integrated IP telephony systems. The power budget is optimized for high-density environments, ensuring stable operations for all connected powered devices.
How does the JL357A switch handle security at the access layer? +
Security is built into the Aruba 2540 architecture through support for 802.1X, MAC and Web authentication, and RADIUS/TACACS+. These protocols work together to authenticate users and devices before granting network access. Additionally, the switch provides robust features like DHCP protection, dynamic ARP protection, and port security, effectively mitigating internal network threats and preventing unauthorized entry into the enterprise environment.
What type of uplink flexibility does the Aruba 2540 offer for fiber connectivity? +
This model features four fixed 10-Gigabit SFP+ ports, providing high-speed fiber uplinks to the network core. This configuration offers significant flexibility for bandwidth-intensive tasks, such as stacking or connecting to high-speed distribution switches. By utilizing SFP+ connectivity, you can maintain high throughput and low latency across the backbone of your local area network without encountering bottlenecks common in standard 1GbE uplink configurations.
Is the Aruba 2540 JL357A suitable for large-scale enterprise deployments? +
The Aruba 2540 is highly effective for enterprise-wide deployments, especially in branch offices or as a robust campus edge switch. Its combination of Layer 2 feature sets, integrated security, and cloud-management readiness makes it a scalable solution. It handles multi-vendor environments well, ensuring interoperability while maintaining the performance standards required for modern digital workplace connectivity.
Are there specific Layer 2 features available on the JL357A to optimize traffic flow? +
The switch offers comprehensive Layer 2 capabilities, including support for VLANs, Spanning Tree Protocols (STP/RSTP/MSTP), and IGMP snooping. These features allow administrators to segment traffic effectively, prevent network loops, and optimize multicast traffic delivery for video streams. These tools ensure that network resources are allocated efficiently, reducing congestion and improving the overall user experience across the wired infrastructure.
How is the Aruba 2540 managed physically and logically in a server rack? +
The JL357A is a 1U rack-mountable device, optimized for standard 19-inch rack enclosures. It includes an intuitive command-line interface (CLI) for granular configuration, a web-based GUI for visual management, and SNMP support for integration with broader network monitoring platforms. This diverse range of access methods allows IT teams to manage the hardware according to their preferred operational workflow.
How can I obtain a bulk quote for multiple Aruba JL357A units for my upcoming project? +
For large-scale projects requiring multiple units, reach out to our dedicated sales team at BuyRouterSwitch.com. We specialize in providing competitive pricing for high-volume orders. Simply provide your specific SKU requirements and the total number of units needed, and our team will prepare a tailored, cost-effective quote that aligns with your enterprise procurement budget and project timelines.
Why should I choose BuyRouterSwitch.com for my enterprise networking procurement? +
BuyRouterSwitch.com is a trusted source for authentic enterprise-grade hardware. We focus on providing a seamless purchasing experience for IT professionals, prioritizing data security throughout the transaction process. When you source your infrastructure from us, you benefit from our professional expertise in the networking space and our commitment to ensuring that every order is handled with the precision and professionalism required for mission-critical enterprise environments.
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