J9981A

4.8 11
Model: J9981A - HP 1820 Switch
Detail: HP 1820-48G Switch
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Overview

HPE OfficeConnect 1820 Series switches are basic Gigabit web managed "smart" Layer 2 switches suppting Virtual LANs (VLANs) and Link Aggregation, designed f small businesses looking f key features in an easy to administer solution. This J9981A has 48 x 10/100/1000 pts and four non combo 1000/100 SFP pts f fiber connectivity. Part of the OfficeConnect ptfolio of small business netwking products from Hewlett Packard Enterprise.

Quick Spec

Figure 1 shows the appearance of HPE J9981A.

HPE-J9981A-Appearance

Table 1 shows the quick spec.

Product Code

J9981A

Type

HPE 1820-48G Switch

Pts

· 48 RJ-45 autosensing 10/100/1000 pts (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T); Duplex: 10BASE-T/100BASE-TX: half full; 1000BASE-T: full only

· 4 SFP 100/1000 Mbps pts (IEEE 802.3z Type 1000BASE-X, IEEE 802.3u Type 100BASE-FX)

Suppts a maximum of 48 autosensing 10/100/1000 pts plus 4 SFP pts

Throughput:

Up to 77.3 Mp/s (64-byte packets)

Switching capacity

104 Gb/s

Minimum dimensions (W x D x H)

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)

Product Details

Figure 2 shows the front panel of HPE J9981A.

HPE-J9981A-Front-Panel

Note:

Power and Fault/Locat LEDs

Reset button

48 × 10/100/1000BASE-T RJ-45 pts

4 × SFP slots

Compare to Similar Items

Table 2 shows the comparison.

Product Code

J9981A

J9983A

J9984A

Type

HPE 1820-48G Switch

HPE 1820-24G-PoE+ (185W) Switch

HPE 1820-48G-PoE+ (370W) Switch

Throughput

Up to 77.3 Mp/s (64-byte packets)

Up to 38.6 Mp/s (64-byte packets)

Up to 77.3 Mp/s (64-byte packets)

Switching capacity

104 Gb/s

52 Gb/s

104 Gb/s

 

PoE capability

N/A

185 W

370 W

Get Me Infmation

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Specification

J9981A Specifications

Type

HPE 1820-48G Switch

Physical Specifications

Dimensions (W x D x H)

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

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: 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 rating

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 protection

CPU DoS Protection

General protocols

IEEE 802.1D Spanning Tree Protocol

IEEE 802.1p Priority

IEEE 802.1Q VLANs

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)

Shipping & Payment

Delivery

Cargo will be delivered within 1 day after payment arrived. Tracking Number will be offered once delivery done.

Delivery OptionsEstimated Delivery Time
DHL 2-4 business days
Fedex 2-4 business days
Hong Kong EMS 5-10 business days
Hong Kong Air Parcel 10-20 business days
By Sea 10-20 business days

Notice:

Above mentioned information are just for your reference only,we will keep you posted for the tracking delivery schedule.There are two delivery options available for by air and by sea:

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Return Material Authorization (RMA) Process

Standard Hardware Warranty Policy:

Original new sealed Huawei product: 1 Year.

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