Thiết bị mạng Switch HPE 1820-48G-PoE+ 370W (J9984A)
| HPE OfficeConnect 1820 48G PoE+ (370W) Switch (J9984A) | ||
| I/O ports and slots | 24 RJ-45 autosensing 10/100/1000 PoE+ ports; Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only | |
| 24 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 100/1000 slots | ||
| Physical characteristics | Dimensions | 17.42(w) x 12.7(d) x 1.73(h) in (44.25 x 32.26 x 4.39 cm) (1U height) |
| Weight | 9.7 lb (4.4 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) | 45.05 |
| 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: 45 dB | |
| Electrical characteristics | Frequency | 50/60 Hz |
| Voltage | 100 – 127 / 200 – 240 VAC, rated (depending on power supply chosen) | |
| Current | 5.1/2.6 A | |
| Maximum power rating | 481 W | |
| Idle power | 54.8 W | |
| PoE power | 370 W PoE+ | |
- Bảo hành: 12 tháng.
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