HPE OfficeConnect 1820 Switch Series devices are 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 8G Switch (J9979A)
I/O ports and slots 8 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 Supports a maximum of 8 autosensing 10/100/1000 ports
Physical characteristics Dimensions 10(w) x 6.28(d) x 1.73(h) in (25.4 x 15.95 x 4.39 cm) (1U height) Weight 1.81 lb (0.82 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 < 2.4 µs (LIFO 64-byte packets) Throughput up to 11.9 Mpps (64-byte packets) Switching capacity 16 Gbps MAC address table size 8000 entries
Reliability MTBF (years) 144.93
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 - 240 VAC Current . 2 A Maximum power rating 12.2 W Idle power 10.2 W PoE power 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.
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