Thiết bị HPE OfficeConnect 1820 48G Switch (J9981A)

Thiết bị Switch HPE 1820 48G

Thiết bị Switch HPE 1820 48G

in stock

Mã sản phẩm : HPE 1820 48G Switch

Thông số sản phẩm Switch HPE 1820 48G


Smart-managed Layer 2 switch with 48 10/100/1000 and 4 SFP 100/1000 ports

(48) RJ-45 autosensing 10/100/1000 ports
(4) SFP 100/1000 Mbps ports
Supports a maximum of 48 autosensing 10/100/1000 ports plus 4 SFP ports

Memory and processor
ARM Cortex-A9 @ 400 MHz
Packet buffer size: 1.5 MB
16 MB flash

100 Mb Latency: < 7 µs
1000 Mb Latency: < 2 µs

up to 77.3 Mpps

Routing/switching capacity
104 Gbps maximum, depending on configuration

Switching capacity
104 Gbps

Management features
Web browser

Input voltage
100 – 127 / 200 – 240 VAC, rated (depending on power supply chosen)

Power consumption
39 W (maximum)

Product dimensions (H x W x D)
17.42 x 9.69 x 1.73 in

7.3 lb



Mô tả

Thiết bị Switch HPE 1820 48G được phân phối chính hãng đầy đủ CO,CQ tại

Switch HPE 1820 48G Series offers more choice and flexibility for smaller organizations that require ease of use and lower Total Cost of Ownership (TCO), while delivering better network performance. They are smart-managed, fixed configuration, Gigabit Ethernet Layer 2 switches in an easy-to-administer solution that have the latest energy-saving capabilities.

-These switches are plug-and-play out of the box, where network operation can be fine-tuned through features available from a simple Web browser-based GUI, when needed.

|| Bạn đang cần tư vấn giải pháp và thiết bị mạng phù hợp. Đừng ngại liên hệ ngay cho NetworkPro:

HOTLINE: 0908 314 585

J9981A Specifications
Type HPE 1820-48G Switch
Physical Specifications
Dimensions (W x D x
44.25 x 24.61 x 4.39 cm (17.42 x 9.69 x 1.73 in) (1U height)
Weight 3.31 kg (7.3 lb)
Technical Specifications


I/O ports and slots · 48 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 Mbps ports (IEEE 802.3z Type 1000BASE-X, IEEE 802.3u Type 100BASE-FX)
Supports a maximum of 48 autosensing 10/100/1000 ports plus 4 SFP ports
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): 61.73
Management Web browser
Environmental Specifications
0° to 40°C (32° to 104°F)
Operating relative
15% to 95% @ 40°C (104°F)
-40° to 70°C (-40° to 158°F)
relative humidity
15% to 95% @ 60°C (140°F)
Altitude Up to 3 km (9,842 ft)
Acoustic Power: 0 dB no fan
Electrical Specifications
Frequency 50/60 Hz
Voltage 100 – 127 / 200 – 240 V ac, rated (depending on power supply chosen)
Current 0.8/0.5 A
Maximum power
39 W
Idle power 28.8 W
PoE power
Safety Certifications
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
Standard and protocols


Denial of service
CPU DoS Protection
General protocols IEEE 802.1D Spanning Tree Protocol
IEEE 802.1p Priority
IEEE 802.1W Rapid Spanning Tree Protocol
IEEE 802.3ad Link Aggregation Control Protocol (LACP)
IEEE 802.3x Flow Control
RFC 1534 DHCP/BOOTP Interoperation
RFC 2030 Simple Network Time Protocol (SNTP) v4
Network management IEEE 802.1AB Link Layer Discovery Protocol (LLDP)



Đánh giá

Chưa có đánh giá nào.

Hãy là người đầu tiên nhận xét “Thiết bị Switch HPE 1820 48G”

Email của bạn sẽ không được hiển thị công khai. Các trường bắt buộc được đánh dấu *

0909 06 59 69