Thông số kỹ thuật switch Aruba JL557A

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

Additional ports and slots 1 dual-personality (RJ-45 or USB micro-B) serial console port

Physical characteristics 17.42 (w) x 12.77 (d) x 1.73 (h) in

(44.25 x 32.42 x 4.39 cm)

(1U height)

Memory and processor Dual Core ARM Cortex A9 @ 1016

MHz, 1 GB DDR3 SDRAM;

Packet buffer size : 12.38 MB

4.5 MB Ingress/7.785 Egress,

4 GB eMMC

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

Throughut up to 77.4 Mpps

Switching capacity : 104 Gbps

Routing table size : 2,000 IPv4, 1,000 IPv6 in hardware, 200 OSPF, 256 Static, 10,000 RIP

MAC address table size : 32,768 entries

Environment Operating temperature : 32°F to 113°F (0°C to 45°C)

Operating relative humidity : 5% to 95%, noncondensing

Nonoperating/Storage temperature : -40°F to 158°F (-40°C to 70°C)

Nonoperating/Storage relative humidity : 15% to 95% @ 149°F (65°C), noncondensing

Altitude : up to 10,000 ft (3 km)

Acoustic : Power : 55.1 dB, Pressure : 41.1 dB

Electrical characteristics Frequency : 50/60 Hz

Maximum heat dissipation : 420.9 BTU/hr (444.1 kJ/hr)

Voltage : 100 – 240 VAC, rated

Maximum power rating : 980W

Current : 9.2 / 4.9 A

Idle power : 49.9W

PoE power : 740 W PoE+

Notes : 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 : 2nd Edition;

UL 62368-1 : 2nd Edition;

EN 60950-1 : 2006 +A11 : 2009

+A1 : 2010 +A12 : 2011+A2 : 2013;

EN 62368-1 : 2nd Edition; IEC

60950- 1 : 2005 +A1 : 2009 +A2 : 2013;

CSA 22.2 No. 60950-1-07 2nd;

IEC-62368-1 : 2nd Edition;

EN 60825- 1 : 2014 / IEC 60825-

1 : 2014 Class 1

Emissions EN 55032 : 2012/CISPR 32 Class A;

FCC CFR 47 Part 15 Class A; VCCI

Class A; ICES-003 Class A; CNS 13438

Management Aruba Central; Aruba AirWave Network Management; IMC – Intelligent Management Center;Command-line interface; Webbrowser; Configuration menu;SNMP manager; Telnet; RMON1;FTP