Thông Số Kỹ Thuật JL677A
| Model | JL677A |
| Description | 24 x 10/100/1000BASE-T Ports 4 x 1G/10G SFP ports Supports PoE Standards IEEE 802.3af, 802.3at 1 x USB-C Console Port 1 x USB Type-A Host port |
| Power supplies | Fixed power supply (500W) Up to 370W of Class 4 PoE Power |
| Fans | Fixed fans |
| Physical characteristics | |
| Dimensions (HxWxD) | 4.39 x 44.2 x 26.82 cm |
| Configuration Weight | 4.19kg (9.24 lbs) |
| Additional Specifications | |
| CPU | Dual Core ARM Cortex A9 @ 1016 Mhz |
| Memory and Flash | 4 GB DDR3 16 GB eMMC |
| Packet Buffer | 12.38MB (4.5MB Ingress/7.875MB Egress) |
| Performance | |
| Model Switching Capacity | 128 Gbps |
| Model Throughput Capacity | 95.2 Mpps |
| Average Latency (LIFO-64-bytes packets) | 1 Gbps: 1.5 μSec , 10 Gbps: 1.8 μSec |
| Switched Virtual Interfaces (dual stack) | 16 |
| IPv4 Host Table (ARP) | 1,024 |
| IPv6 Host Table (ND) | 512 |
| IPv4 Unicast Routes | 512 |
| IPv6 Unicast Routes | 512 |
| MAC Table Capacity | 8,192 |
| IGMP Groups | 512 |
| MLD Groups | 512 |
| IPv4/IPv6/MAC ACL Entries (ingress) | 256 / 128 / 256 |
| Environment | |
| Operating Temperature | 32°F to 113°F (0°C to 45°C) up to 5000 ft (1.5 km) derate -1°C for every 1000 ft (305 m) from 5000 ft (1.5 km) to 10000 ft (3.0 km) |
| Operating Relative Humidity | 15% to 95% at 104°F (40°C) non condensing |
| Non-Operating | -40°F to 158°F (-40°C to 70°C) up to 15000 ft (4.6 km) |
| Non-Operating Storage Relative Humidity | 15% to 90% @ 149°F (65°C) non condensing |
| Max Operating Altitude | 10000 feet (3 km) Max |
| Max Non-Operating Altitude | 15000 feet (4.6 km) Max |
| Acoustic | Sound Power, LWAd = 3.9 Bel Sound Pressure, LpAm (Bystander) = 24.3 dB |
| Primary Airflow | Side-to-side |
| Electrical Characteristics | |
| Frequency | 50 / 60 Hz |
| AC Voltage | 100-127 VAC / 200-240 VAC |
| Current | 4.6 A / 2.3 A |
| Power Consumption (230 VAC) | Idle: 22.9W Max Power (w/o PoE): 32.7W Max Power (w/ PoE): 455W |
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