HP 1820-48G smartmanaged, 48x10/100/1000 Mbps + 4x SFP porta, rackmount, fiksna konfiguracija, 1U, Layer 2, Napajanje unutarnje, J9981A

HPE OfficeConnect 1820 48G Switch (J9981A)

The HPE OfficeConnect 1820 Switch is a basic, smart-managed, fixed-configuration Gigabit Ethernet Layer 2 switches designed for small businesses looking for key features in an easy-to-administer solution. The series is part of the OfficeConnect portfolio of Hewlett Packard Enterprise small business networking products.

HPE OfficeConnect 1820 Switch Key Features

Customised operation using intuitive Web interface
Flexible deployment options including wall, under table, and desktop mounting
24- and 48-port models include SFP ports
8-, 24- and 48-port non-PoE+ models are fanless for quiet operation
Limited Lifetime Warranty

The series consists of six switches including 8-, 24- and 48-port Gigabit Ethernet switches and 8-, 24-, and 48-port Gigabit PoE+ models each providing non-blocking Gigabit per port performance. Some models include SFP ports for fiber connectivity and the 8-, 24-, and 48-port non PoE+ models are fanless, making them ideal for office deployments. All HPE OfficeConnect 1820 Switches support flexible installation options, including mounting on wall, under table, or on desktop. The 8-port Gigabit Ethernet model can be powered by an upstream Power over Ethernet (PoE) switch for environments where no line power is available.

These Gigabit switches are plug-and-play out of the box, yet network operation can be fine-tuned through features available from a simple Web browser-based GUI, if necessary. Customizable features include VLANs, Rapid Spanning Tree, IGMP Snooping, link aggregation trunking, and DSCP QoS policies. All models include the latest energy-saving capabilities, including Energy Efficient Ethernet (EEE) and idle-port power down. HPE OfficeConnect 1820 Switch Series includes a Limited Lifetime Warranty.
HPE OfficeConnect 1820 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 100BASETX, 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
Supports a maximum of 48 autosensing 10/100/1000 ports plus 4 SFP 100/1000 slots

Physical Characteristics

Dimensions: 17.42(w) x 9.69(d) x 1.73(h) in (44.25 x 24.61 x 4.39 cm) (1U height)
Weight: 7.3 lb (3.31 kg)

Memory and Processor

ARM Cortex-A9 @ 400 MHz, 128 MB SDRAM; Packet buffer size: 1.5 MB, 16 MB 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 Mpps (64-byte packets)
Switching Capacity: 104 Gbps
MAC Address table size: 16000 entries

Reliability:

MTBF (years): 61.73

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 9,842 ft (3 km)
Acoustic: Power: 0 dB no fan

Electrical characteristics

Frequency: 50/60 Hz
AC Voltage: 100 - 127 / 200 - 240 VAC, rated (depending on power supply chosen)
Current: . 8/. 5 A
Maximum power rating: 39 W
Idle Power: 28.8 W
Notes: Idle power is the actual power consumption of the device with no ports connected. Maximum power rating and maximum heat dissipation are the worst-case theoretical maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated.

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