Mô tả sản phẩm: HPE OfficeConnect 1920S 24G 2SFP PoE+ 370W Switch (JL385A)
HPE OfficeConnect 1920S 24G 2SFP PoE+ 370W Switch (JL385A)
I/O ports and slots
24 RJ-45 autosensing 10/100/1000 PoE+ ports; Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only
2 SFP 100/1000 Mbps ports (IEEE 802.3z Type 1000BASE-X, IEEE 802.3u Type 100BASE-FX)
Physical characteristics
Dimensions
17.42(w) x 12.7(d) x 1.73(h) in
(44.25 x 32.26 x 4.39 cm) (1U height)
Weight
9.7 lb (4.4 kg)
Memory and processor
ARM Cortex-A9 @ 400 MHz, 256 MB SDRAM, 64 MB flash; packet buffer: 1.5 MB
Performance
100 Mb Latency
< 7.0 µs
1000 Mb Latency
< 2.0 µs
Throughput
77.3 Mpps
Routing/Switching capacity
52 Gbps
Routing table size
32 entries
MAC address table size
16,000 entries
Reliability
MTBF (years)
57.1
Environment
Operating temperature
32°F to 104°F (0°C to 40°C)
Operating relative humidity
15% to 95% @ 104°F (40°C)
Nonoperating/Storage temperature
-40°F to 158°F (-40°C to 70°C)
Nonoperating/Storage relative humidity
15% to 95% @ 140°F (60°C)
Altitude
up to 10,000 ft (3 km)
Acoustic
Power: 45 dB
Electrical characteristics
Frequency
50/60 Hz
AC Voltage
100 - 127 / 200 - 240 VAC
Current
3.5/1.9 A
Maximum power rating
435 W
Idle power
34.2 W
PoE power
370 W PoE+
Safety
UL 60950-1; IEC 60950-1; EN 60950-1; CAN/ CSA-C22.2 No. 60950-1; EN 60825-1
Emissions
VCCI Class A; CNS 13438; ICES-003 Issue 5 Class A; FCC CFR 47 Part 15, Class A; EN 55032: 2015/CISPR-32
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
Device Management