HPE Aruba Networking JL357A 2540 48G PoE+ 4SFP+ Switch

HPE Aruba 2540 48G PoE+ 4SFP+ Switch (JL357A)

The HPE Aruba 2540 48G PoE+ 4SFP+ Switch delivers secure, high-performance connectivity designed for small to medium-sized businesses and branch offices. With 48 Gigabit Ethernet ports and PoE+ support, this switch powers IP phones, cameras, and access points while offering scalable network growth through its 4 SFP+ uplinks. This switch is ideal for growing networks that require advanced management features like VLANs, QoS, and sFlow for optimized traffic control.

Key Features:

• 48 x Gigabit Ethernet Ports with PoE+: Delivers up to 30W per port, providing power for connected devices such as IP phones and access points.
• 4 x SFP+ Uplink Ports: Provides high-speed fiber connectivity for scalable network expansion.
• Layer 2 Switching: Includes VLAN support, QoS, and sFlow for effective traffic management.
• Energy-Efficient Design: Compliant with IEEE 802.3az standards for reduced power consumption.
• Fanless Design: Ensures quiet and efficient operation, ideal for noise-sensitive environments.

Technical Overview:

• Recommended for: Small to medium-sized businesses, branch offices, and educational institutions.
• Ports: 48 x 10/100/1000 Mbps Gigabit Ethernet PoE+ ports.
• Uplink Modules: 4 x SFP+ 10GbE uplink ports.
• Switching Capacity: 176 Gbps.
• Forwarding Rate: 130.9 Mpps.
• Management: Managed via Aruba Central, AirWave, CLI, Web GUI, SNMP.
• PoE+ Power Budget: 370W.
• Energy Efficiency: Complies with IEEE 802.3az standards.

You can check the related tab for the HPE Aruba 2540 48G PoE+ 4SFP+ Switch (JL357A) datasheet.

Properties	JL357A
Description	48-port Gigabit Ethernet PoE+ switch with 4 x 1/10GbE SFP+ uplink ports; managed Layer 2 with basic Layer 3 features.
Product Family	Aruba 2540 Series
Product Type	Switch
I/O ports and slots	48 RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only 4 SFP+ 1/10GbE ports; PHY-less
Additional ports and slots	1 dual-personality (RJ-45 or USB micro-B) serial console port
Dimensions (H x W x D)	4.39 x 44.25 x 30.42 cm (1.73 x 17.42 x 11.98 in) (1U height)
Memory and processor	Dual Core ARM Coretex A9 @ 1016 MHz, 1 GB DDR3 SDRAM; Packet buffer size: 12.38 MB 4.5 MB Ingress/7.785 MB Egress, 4 GB eMMC

1,000 MB Latency	< 3.8 µs (64-byte packets)
10 Gbps Latency	< 1.6 µs (64-byte packets)
Throughput	up to 112.0 Mpps
Switching capacity	176 Gbps
Routing table size	2,000 entries (IPv4), 1,000 entries (IPv6)
MAC address table size	16,384 entries
Operating temperature	0° to 45°C (32° to 113°F) up to 5,000 ft; 0° to 40°C (32° to 104°F) up to 10,000 ft
Power Supply	100127/200240 VAC, 50/60 Hz
Current	5.1/2.5 A
Maximum Power Rating	459 W
PoE Power	370 W PoE+
Safety	UL 60950-1 2nd Edition; EN 60950-1:2006 +A11:2009 +A1:2010 +A12:2011+A2:2013; IEC 60950-1:2005 +A1:2009 +A2:2013; CSA 22.2 No. 60950-1-07 2nd; EN 60825-1:2007/IEC 60825-1:2007 Class 1
Emissions	VCCI Class A; CNS 13438; ICES-003 Class A; FCC CFR 47 Part 15, Class A; EN 55022: 2010/CISPR-22, Class A

Accessories
Accessory Kit	5066-2231
Includes the brackets for mounting the switch in a standard 19-inch telco rack, in an equipment cabinet, and with rubber feet

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