Aruba 2540 Switch Series

This Layer 2 switch series provides reliable, secure, and simple Ethernet access for enterprises, small and medium-sized businesses, and branch office networks.

IoT-ready and cloud-manageable access switch

Designed for the digital workplace, the Aruba 2540 Switch Series is optimized for mobile users. With advanced security and network management tools, this Layer 2 access switch is easy to deploy and manage.

Drawn icon of a switch with a checkmark Right-size your switch

Right-size your switch

Deploy the number of ports and PoE power that’s best for you and your budget with plug and play 24- and 48-port Ethernet models, with fast 10GbE uplinks and optional PoE.

Icon for simple deployment Simple deployment

Simple deployment

With Zero-Touch Provisioning (ZTP), support from cloud-based Aruba Central, and convenient 1U fixed models, you can quickly set up remote offices with little or no IT support.

Drawn icon of a building with two gears behind it Management choice

Management choice

Innovative design supports cloud-based and on-premise management, CLI, and easy-to-use Web GUI with the same hardware, eliminating rip and replace of equipment as network management needs grow.

Drawn icon of a lock with a keyhole Secure access

Secure access

Protect your network and offer authentication flexibility with the support of concurrent IEEE 802.1X, Web or MAC authentication.

Reliable and secure access

This dependable, entry-level Layer 2 access switch delivers power across all access ports for wireless access points, security cameras, and other IoT devices.

Layer 2 Ethernet switches

Enhanced access security, ACLs, traffic prioritization, sFlow, and IPv6 host support.

Power over Ethernet

Up to 370W of PoE to support access points, IP phones, and IoT.

Cloud-based management

Aruba Central delivers full-service AI insights, and security and unified infrastructure management for campus, branch, remote, and data center networks, all from a single pane of glass. It’s network configuration and operations made simple.

High-speed uplinks

Get rid of traffic bottlenecks with built-in 1/10GbE SFP uplinks.

Details and specifications for the Aruba 2540 Series

High-Speed Uplinks

1GbE/10GbE uplinks built-in to eliminate bottlenecks.

Enterprise Performance

Cost-effective Layer 2 access with fast 10GbE uplinks.

Access Connectivity

Right-size deployment with 24- and 48-port models with optional PoE.

Investment Protection

No switch software licensing required.

Ready for IoT

Up to 370W of PoE to connect IoT and APs.

Details and specifications for the Aruba 2540 Series

Specifications

Physical interfaces
  • 2540 24G 4SFP+ Switch (JL354A):
    • 24 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; 4 SFP+ 1/10GbE ports; PHY-less
  • 2540 48G 4SFP+ Switch (JL355A):
    • 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
  • 2540 24G PoE+ 4SFP+ Switch (JL356A):
    • 24 RJ-45 autosensing 10/100/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE- TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only 4 SFP+ 1/10GbE ports; PHY-less
  • 2540 48G PoE+ 4SFP+ Switch (JL357A):
    • 48 RJ-45 autosensing 10/100/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE- TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+); 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
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
Dimensions
  • 2540 24G 4SFP+ Switch (JL354A):
    • (H) 4.39 cm x (W) 44.42 cm x (D) 20.02 cm (1.73” x 17.42” x 7.88”) (1U height)
    • Weight: 5.31 lb (2.41kg)
  • 2540 48G 4SFP+ Switch (JL355A):
    • (H) 4.39 cm x (W) 44.42 cm x (D) 24.63 cm (1.73” x 17.42” x 9.7”) (1U height)
    • Weight: 6.83 lb (3.10kg)
  • 2540 24G PoE+ 4SFP+ Switch (JL356A):
    • (H) 4.39 cm x (W) 44.42 cm x (D) 30.42 cm (1.73” x 17.42” x 11.98”) (1U height)
    • Weight: 8.6 lb (3.90kg)
  • 2540 48G PoE+ 4SFP+ Switch (JL357A):
    • (H) 4.39 cm x (W) 44.42 cm x (D) 30.42 cm (1.73” x 17.42” x 11.98”) (1U height)
    • Weight: 9.83 lb (4.46kg)
Performance
  • 1000 Mb Latency: < 3.8 µs (64-byte packets)
  • 10 Gbps Latency: < 1.6 µs (64-byte packets)
  • Routing table size: 2,000 entries (IPv4), 1,000 entries (IPv6)
  • MAC address table size: 16,384 entries
  • 2540 24G 4SFP+ Switch (JL354A), 2540 24G PoE+ 4SFP+ Switch (JL356A):
    • Throughput: up to 95.2 Mpps
    • Switching capacity: 128 Gbps
  • 2540 48G 4SFP+ Switch (JL355A), 2540 48G PoE+ 4SFP+ Switch (JL357A):
    • Throughput: up to 112.0 Mpps
    • Switching capacity: 176 Gbps
Environmental
  • Operating temperature range: 32°F to 113°F (0°C to 45°C); up to 5,000 Feet,
    -0°C to 40°C (32°F to 104°F) up to 10,000 Feet
  • Operating relative humidity: 15% to 95% @ 104°F (40°C), noncondensing
  • Storage temperature range: -40°C to 70°C (-40°F to 158°F)
  • Nonoperating/Storage temperature: -40°F to 158°F (-40°C to 70°C); up to 15,000 Feet
  • Nonoperating/Storage relative humidity :
    • 2540 24G 4SFP+ Switch (JL354A), 2540 48G 4SFP+ Switch (JL355A):
      15% to 95% @ 149°F (65°C), noncondensing
    • 2540 24G PoE+ 4SFP+ Switch (JL356A), 2540 48G PoE+ 4SFP+ Switch (JL357A):
      15% to 95% @ 149°F (65°C)
  • Acoustic: See data sheet
  • Airflow direction: Side-to-side
Electrical characteristics
Safety certifications
  • 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
Immunity
  • Generic: EN 55024:2010/CISPR 24
  • ESD: IEC 61000-4-2
  • Radiated: IEC 61000-4-3
  • EFT/Burst: IEC 61000-4-4
  • Surge: IEC 61000-4-5
  • Conducted: IEC 61000-4-6
  • Power frequency magnetic field: IEC 61000-4-8
  • Voltage dips and interruptions: IEC 61000-4-11
  • Harmonics: EN 61000-3-2, IEC 61000-3-2
  • Flicker: EN 61000-3-3, IEC 61000-3-3
Additional Specifications
Aruba leads at the Edge

Aruba leads at the Edge

Gartner has once again named Aruba a Leader in the 2020 Magic Quadrant for Wired and Wireless LAN Access. On top of that, Aruba received highest scores in six of six use cases for the 2020 Gartner Critical Capabilities Report.

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Aruba Services

Our around-the-clock service will keep your network operating smoothly. Simplifying the entire network technology lifecycle, Aruba Services enables a cost-effective network that is able to scale globally.

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