I/O ports and slots

• 24 RJ-45 autosensing 10/100 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX); Duplex: half or full
• 2 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
• 2 fixed Gigabit Ethernet SFP ports
• 1 dual-personality (RJ-45 or USB micro-B) serial console port

Physical Characteristics

• Dimensions: 17.40 (w) x 9.70 (d) x 1.75 (h) in (44.2 x 24.64 x 4.45 cm) (1U height)
• Weight: 5.7 lb (2.59 kg)

Memory and processor

• Processor: ARM9E @ 800 MHz, 128 MB flash, 256 MB DDR3 DIMM; packet buffer size: 1.5 MB dynamically allocated

Mounting and enclosure

• Mounts in an EIA-standard 19-inch telco rack or equipment cabinet (rack-mounting kit available); Horizontal surface mounting; Wall mounting

Performance

• IPv6 Ready Certified
• 100 Mb Latency: < 1.7 µs (LIFO 64-byte packets)
• 1000 Mb Latency: < 1.1 µs (LIFO 64-byte packets)
• Throughput: up to 9.5 Mpps (64-byte packets)
• Switching capacity: 12.8 Gbps
• MAC address table size: 16000 entries

Environment

• Operating temperature:32°F to 113°F (0°C to 45°C)
• Operating relative humidity:15% to 95% @ 104°F (40°C), noncondensing
• Nonoperating/Storage temperature: -40°F to 158°F (-40°C to 70°C)
• Nonoperating/Storage relative humidity: 15% to 90% @ 149°F (65°C), noncondensing
• Altitude: up to 10,000 ft (3 km)
• Acoustic: Power: 0 dB, Pressure: 0 dB

Electrical Characteristics

• Frequency: 50/60 Hz
• Maximum heat dissipation: 50 BTU/hr (52.75 kJ/hr)
• AC voltage: 100 - 127/200 - 240 VAC
• Current: 0.3/0.2 A
• Maximum power rating: 14.7 W
• Idle power: 8.4 W
• Notes: Idle power is the actual power consumption of the device with no ports connected. Maximum power rating and maximum 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; CAN/CSA 22.2
• No. 60950-1; EN 60825;
• IEC 60950-1; EN 60950-1

Emissions

• FCC Class A; EN 55022/CISPR-22 Class A; VCCI Class A

Immunity

• Generic: EN 55024, CISPR 24
• EN: 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; out-of-band management (serial RS-232C or Micro USB); IEEE 802.3 Ethernet MIB; Repeater MIB; Ethernet Interface MIB AirWave Network Management

Notes

• IEEE 802.3az applies to Gigabit models only; IEEE 802.3at and IEEE 802.3af apply to PoE+ models only. When using SFPs with this product, SFPs with revision “B” or later (product number ends with the letter “B” or later, e.g., J4858B, J4859C) are required.

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.