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HP JL357AR 2540 48G PoE+ 4SFP+ 48-Port + 4-Port SFP+ Layer 2 Switch
- 48 x 10/100/1000 Mbps PoE+ Ethernet ports.
- 4 x 10 Gbps SFP+ ports for high-speed uplinks or stacking.
- IEEE 802.3af/at Power over Ethernet (PoE+) support.
- Layer 2 switching capabilities with advanced features.
- Static and RIP routing support.
- Quality of Service (QoS) for traffic prioritization.
- Enhanced security features including ACLs and port security.
- Compact 1U rack-mountable form factor.
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Product Overview
The HP JL357AR is a high-performance Layer 2 switch from the 2540 series, offering 48 Gigabit PoE+ ports and 4 SFP+ ports for high-speed uplinks. It is designed for enterprise edge deployments, providing robust connectivity and power delivery to connected devices.
Technical Information
| Model | JL357AR |
| Product Type | Managed Layer 2 Switch |
| Total Ports | 52 |
| PoE+ Ports | 48 x 10/100/1000 Mbps |
| Uplink Ports | 4 x 10 Gbps SFP+ |
Additional Specifications
| PoE Budget | 370W |
| Switching Capacity | 176 Gbps |
| Forwarding Rate | 131 Mpps |
| Management | Web GUI, CLI, SNMP |
| Form Factor | 1U Rack Mountable |
Product Description
The Aruba 2540 Switch Series, represented by the JL357AR model, is a portfolio of access switches designed for the enterprise edge. This particular model offers 48 Gigabit Ethernet ports that support Power over Ethernet Plus (PoE+), enabling it to power devices such as IP phones, wireless access points, and surveillance cameras directly over the network cable. With a total PoE budget of 370W, it provides ample power for a dense deployment of powered devices. Complementing the 48 access ports are four 10 Gigabit SFP+ uplink ports. These high-speed ports are crucial for connecting the switch to core network infrastructure, other switches in a stack, or high-bandwidth servers. The 176 Gbps switching capacity and 131 Mpps forwarding rate ensure that network traffic flows efficiently without bottlenecks, even under heavy load. The switch operates at Layer 2, providing fundamental switching functions along with advanced features like static routing and RIP. Security and traffic management are key strengths of the JL357AR. It incorporates robust security features such as Access Control Lists (ACLs), port security, and role-based access control to protect the network from unauthorized access and threats. Quality of Service (QoS) capabilities allow administrators to prioritize critical application traffic, ensuring optimal performance for voice, video, and other sensitive data. The switch is managed via a user-friendly web GUI, a command-line interface (CLI), or SNMP, offering flexibility for network administrators.
