Aruba 2540 48G 4SFP+ Switch (JL355A) Technical Specification

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

Physical characteristics

• Dimensions: 17.42(w) x 9.7(d) x 1.73(h) in. (44.25 x 24.63 x 4.39 cm) (1U height)
• Weight: 6.83 lb (3.10 kg)

Memory and processor

• Dual Core ARM Coretex A9 @ 1016 MHz, 1 GB DDR3 SDRAM; Packet buffer size: 12.38 MB 4.5 MB Ingress/7.875 MB Egress, 4 GB eMMC

Performance

• 100 Mb Latency: < 3.8 μs (64-byte packets)
• 1000 Mb 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

Environment

• Operating temperature: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
• Nonoperating/Storage temperature: -40°F to 158°F (-40°C to 70°C); up to 15,000 Feet
• Nonoperating/Storage relative humidity: 15% to 95% @ 149°F (65°C)
• Power: 54.1 dB, Pressure: 40.2 dB
• Airflow direction: Side-to-side

Electrical Characteristics

• Frequency: 50/60 Hz
• Maximum heat dissipation: 159 BTU/hr (167.74 kJ/hr)
• Voltage: 100–127/200–240 VAC, rated
• Current: 0.9/0.6 A
• Maximum power rating: 46.6 W
• Idle power: 32.7 W
• Notes:
• Idle power is the actual power consumption of the device with no ports connected. Maximum power rating andmaximum heat dissipation are the worst-case theoretical maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated..

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

Immunity

• Generic: EN 55024, 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

Management

• Aruba Central and Aruba AirWave Network Management;
• IMC—Intelligent Management Center; command-line interface;
• Web browser; configuration menu;
• SNMP manager;
• Telnet; RMON1; FTP; Out-of-band management (serial RS-232C or micro USB)

Services

• Refer to the Hewlett Packard Enterprise website at www.hpe.com/networking/services for details on the service-level descriptions and product numbers. For details about services and response times in your area, please contact your local Hewlett Packard Enterprise sales office.