HP 1820‑48G Enterprise Gigabit Switch (J9981A)
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| Brand | HP |
| EAN | 0888182299296 |
| ASIN | B013MF0SFG |
| Model | J9981A |
| MPN | J9981A |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Basic switching RJ-45 Ethernet ports quantity | 48 |
| Built-in processor | Yes |
| Colour | Grey |
| Copper ethernet cabling technology | 10BASE-T,100BASE-TX,1000BASE-T |
| Depth | 246.1 mm |
| Energy Star certified | Yes |
| Flash memory | 16 MB |
| Form factor | 1U |
| Height | 43.9 mm |
| Internal memory | 128 MB |
| LED indicators | Yes |
| MAC address table | 16000 entries |
| Memory type | SDRAM |
| Networking standards | IEEE 802.3,IEEE 802.3ab,IEEE 802.3u |
| Operating relative humidity | 15 - 95 % |
| Packet buffer memory | 1.5 MB |
| Power consumption | 39 W |
| Processor frequency | 400 MHz |
| Processor model | ARM Cortex-A9 |
| Quick start guide | Yes |
| Rack mounting | Yes |
| RJ-45 ethernet ports type | 1000 ) |
| Switch layer | L2 |
| Switch type | Managed |
| Throughput | 77.3 Mpps |
| User Guide | Yes |
| Weight | 3.31 kg |
| Width | 442.5 mm |
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