HP Aruba 2540 48G PoE 4SFP Switch JL357A
- Aruba 2540 48G PoE+ (370W) 4SFP+ Switch supports 48 RJ-45 10/100/1000 PoE + 4 SFP+ 1/10GbE ports.
- IEEE 802.1s Multiple Spanning Tree provides high link availability by allowing multiple spanning trees; provides legacy support for IEEE 802.1d and IEEE 802.1w.
- IEEE 802.3ad link-aggregation-control protocol (LACP) and port trunking support up to 26 static, dynamic, or distributed trunks with each trunk having up to eight links (ports) per static trunk.
- SmartLink provides easy-to-configure link redundancy of active and standby links.
Specifications
| I/O ports and slots |
| I/O ports and slots |
48 RJ-45 autosensing 10/100/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASETX, 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 |
| Additional ports and slots |
1 dual-personality (RJ-45 or USB micro-B) serial console port |
| Physical characteristics |
| Dimensions |
17.42(w) x 11.98(d) x 1.73(h) in. (44.25 x 30.42 x 4.39 cm) (1U height) |
| Weight |
9.83 lb (4.46 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 |
| 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 |
| 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) |
| Acoustic |
Power: 55.7 dB, Pressure: 41.7 dB |
| Airflow direction |
Side-to-side |
| Electrical characteristics |
| Frequency |
50/60 Hz |
| 80plus.org Certification |
Silver |
| Maximum heat dissipation |
293.0 BTU/hr (309.1 kJ/hr) |
| Voltage |
100–127/200–240 VAC, rated |
| Current |
5.1/2.5 A |
| Maximum power rating |
459 W |
| Idle power |
48.6 W |
| Electrical characteristics continued |
| PoE power |
370 W PoE+ |
| Safety |
| 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 |
| 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 |
- Hàng chính hãng HP.
- Bảo hành: 3 năm.
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