 
                                            JL683A - Aruba Instant On 1930 24G Class4 PoE 4SFP/SFP+ 195W Switch :
Thiết bị chuyển mạch Switch Aruba Instant On 1930 24G Class4 PoE 4SFP/SFP+ 195W (JL683A)
| Model | Aruba Instant On 1930 24G Class4 PoE 4SFP/SFP+ 195W Switch (JL683A) | 
| I/O ports and slots | • 24 RJ-45 autosensing 10/100/1000 Class 4 PoE 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+ 1/10GbE ports | 
| Physical Characteristics | |
| Dimensions | • 44.25 x 26.47 x 4.39 cm • 1U height | 
| Weight | • 3.50 kg | 
| Processor and memory | • ARM Cortex-A9 @ 800 MHz, 512 MB SDRAM, 256 MB flash; packet buffer: 1.5 MB | 
| Performance | |
| 100 Mb Latency | • < 4.7 uSec | 
| packet size | • 64B | 
| 1000 Mb Latency | • <2.4 uSec | 
| packet size | • 64B | 
| 10000 Mb Latency | • < 1.3 uSec | 
| packet size | • 64B | 
| Throughput (Mpps) | • 95.23 Mpps | 
| packet size | • 64B | 
| switching capacity | • 128 Gbps | 
| Routing Table size (# of static entries) | • 32 static entries | 
| MAC Address table size (# of entries) | • 16,000 entries | 
| Reliability MTBF (years) | • 76 | 
| 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°C to 70°C | 
| Nonoperating/Storage relative humidity | • 15% to 95% @ 140°F (60°C) | 
| Altitude | • up to 10,000 ft (3 km) | 
| Acoustic | • Pressure: 46.1 dBA Power: 60.5 dB | 
| Electrical Characteristics | |
| Frequency | • 50/60 Hz | 
| AC voltage | • 100 - 127 / 200 - 240 VAC | 
| Current | • 2.6/1.3 A | 
| Maximum power rating | • 234.0 W | 
| Idle power | • 19.3 W | 
| PoE power | • 195 W Class 4 PoE | 
| Power Supply | • Internal power supply | 
| Device Management | • Aruba Instant On solution; Web browser; SNMP Manager | 
Transceivers
| R9D16A | Aruba Instant On 1G SFP LC SX 500m OM2 MMF Transceiver | 
| J4859D | Aruba 1G SFP LC LX 10km SMF XCVR | 
| J8177D | Aruba 1G SFP RJ45 T 100m Cat5e XCVR | 
| R9D18A | Aruba Instant On 10G SFP+ LC SR 300m OM3 MMF Transceiver | 
| J9151E | Aruba 10G SFP+ LC LR 10km SMF Transceiver | 
| J9281D | Aruba 10G SFP+ to SFP+ 1m DAC | 
| J9283D | Aruba 10G SFP+ to SFP+ 3m DAC |