Switch HPE 1820-48G (J9981A)

Switch HPE 1820-48G (J9981A)

HPE OfficeConnect 1820 48G Switch (J9981A): 48 RJ-45 autosensing 10/100/1000 ports plus 4 SFP ports.

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HPE OfficeConnect 1820 48G Switch (J9981A)
I/O ports and slots48 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
Physical characteristicsDimensions17.42(w) x 9.69(d) x 1.73(h) in (44.25 x 24.61 x 4.39 cm) (1U height)
Weight7.3 lb (3.31 kg)
Memory and processorARM Cortex-A9 @ 400 MHz, 128 MB SDRAM; Packet buffer size: 1.5 MB, 16 MB flash
Performance100 Mb Latency< 7 µs (LIFO 64-byte packets)
1000 Mb Latency< 2 µs (LIFO 64-byte packets)
Throughputup to 77.3 Mpps (64-byte packets)
Switching capacity104 Gbps
MAC address table size16000 entries
ReliabilityMTBF (years)61.73
EnvironmentOperating temperature32°F to 104°F (0°C to 40°C)
Operating relative humidity15% to 95% @ 104°F (40°C)
Nonoperating/Storage temperature-40°F to 158°F (-40°C to 70°C)
Nonoperating/Storage relative humidity15% to 95% @ 140°F (60°C)
Altitudeup to 9,842 ft (3 km)
AcousticPower: 0 dB no fan
Electrical characteristicsFrequency50/60 Hz
Voltage100 – 127 / 200 – 240 VAC, rated
(depending on power supply chosen)
Current. 8/. 5 A
Maximum power rating39 W
Idle power28.8 W