 
                                            JL812A - Aruba Instant On 1830 24G 2SFP Switch :
Thiết bị chuyển mạch Switch Aruba Instant On 1830 24G 2SFP (JL812A)
| Model | Aruba Instant On 1830 24G 2SFP Switch (JL812A) | 
| Specifications | |
| I/O ports and slots | • 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 • 2 SFP 1GbE ports | 
| Physical Characteristics | |
| Dimensions | • 215.9(d) x 443.0(w) x 43.9(h) mm | 
| Weight | • 5.50 lb (2.49 kg) | 
| Memory and Flash | • ARM Cortex-A9 @800MHz, 512 MB SDRAM, 256 MB flash; packet buffer: 1.5MB | 
| Performance | |
| 100 Mb latency | • < 5.2 uSec | 
| 1000 Mb latency | • < 2.8 uSec | 
| 10000 Mb latency | • n/a | 
| Throughput (Mpps) | • 38.68 Mpps | 
| Capacity | • 52 Gbps | 
| MAC address table size (# of entries) | • 16,000 entries | 
| Reliability MTBF (years) | • 203.6 | 
| 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 10,000 ft (3 km) | 
| Electrical Characteristics | |
| Frequency | • 50Hz/60Hz | 
| AC voltage | • 100-127VAC / 200-240VAC | 
| Current | • 0.4A/0.3A | 
| Maximum power rating | • 100-127V: 19.1W • 200-220V: 19W | 
| Idle power | • 100-127V: 7.6W • 200-220V: 7.8W | 
| PoE power | – | 
| Power supply | • Internal power supply | 
| Device Management | • Aruba Instant On Cloud; Web browser; SNMP Manager | 
Transceivers
| J4858D | Aruba 1G SFP LC SX 500m MMF Transceiver | 
| J4859D | Aruba 1G SFP LC LX 10km SMF Transceiver | 
| J8177D | Aruba 1G SFP RJ45 T 100m Cat5e Transceiver | 
| R9D16A | Aruba Instant On SFP LC SX 500M MMF Transceiver |