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HPE 1800 Series Switches

    HPE 1820 48G 4SFP Switch

    [ Part number: J9981A ]

    Cổng kết nối: 48-ports 10/100/1000 RJ-45
    Cổng phụ: 4-port SFP
    Nguồn PoE/PoE+: N/A
    Kích thước: 44.25 x 24.61 x 4.39 cm
    Trọng lượng: 3.31 kg
    Bảo hành chính hãng

    Giá: Liên hệ

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Thiết bị chuyển mạch HPE 1820 48G 4SFP Switch

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
24 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 100/1000 Mb/s ports (IEEE 802.3z Type 1000BASE-X, IEEE 802.3u Type 100BASE-FX)
Memory and processor ARM Cortex-A9 @ 400 MHz, 128MB SDRAM; Packet buffer size: 1.5MB, 16MB flash
Performance 100 Mb Latency: <7 µs (LIFO 64-byte packets)
1000 Mb Latency: <2 µs (LIFO 64-byte packets)
Throughput: Up to 77.3 Mp/s (64-byte packets)
Switching capacity: 104 Gb/s
MAC address table size: 16000 entries
Reliability MTBF (years): 45.05
Management Web browser
Frequency 50/60 Hz
Voltage 100 - 127 / 200 - 240 V ac, rated(depending on power supply chosen)
Current 5.1/2.6 A
Maximum power rating 481 W
Idle power 54.8 W
PoE power N/A
Safety UL 60950-1; EN 60825; IEC 60950-1; EN 60950-1; CAN/CSA-C22.2 No. 60950-1
Emissions FCC Class A; EN 55022/CISPR-22 Class A; VCCI Class A F
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
Dimensions (W x D x H) 44.25 x 32.26 x 4.39 cm (17.42 x 12.7 x 1.73 in) (1U height)
Weight 4.4 kg (9.7 lb)
Operating temperature 0° to 40°C (32° to 104°F)
Operating relative humidity 15% to 95% @ 40°C (104°F)
Nonoperating/Storage temperature -40° to 70°C (-40° to 158°F)
Nonoperating/Storage relative humidity 15% to 95% @ 60°C (140°F)
Altitude Up to 3 km (9,842 ft)
Acoustic Power: 45 dB

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