HP J9981A HP 1820-48G Switch
J9981A Specification J9981A Specifications Type HPE 1820-48G Switch Physical Specifications Dimensions (W x D x...

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J9981A 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)

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Innovation

Our UPS and with USB Ports , a lighting system and digital thermometer inside out server cabinets.

Warranty

We trust our product very much so we provide our customers with 2 years warranty on ur products

Powerful

Long-life batteries , cables and power strip made from cooper and certified un refurbished steel

Service

Our support is not stoppable even after the warranty expire we will help you in any future problems.

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