Thông Số Kỹ Thuật R8M27A
| Specifications | ||
| I/O ports and slots | (16) SFP 100/1000 Mbps ports (8) SFP dual-personality ports – 10/100/1000BASE-T RJ-45 or 100/1000BASE-X Combo Ports. Ports 17-24 support MACsec 4 SFP+ 1/10GbE ports 1 port expansion module slot | |
| Additional ports and slots | 1 dual-personality (RJ-45 or mini USB) serial console port | |
| 1 RJ-45 out-of-band management port | ||
| 1 USB 2.0 | ||
| Power supplies | 2 power supply slots 1 minimum power supply required (ordered separately) | |
| Fan tray | Airflow direction is Side to Back and Back to Side | |
| Physical characteristics | ||
| Dimensions | 17.32(w) x 14.17(d) x 1.72(h) in (43.99 x 36 x 4.37 cm) (1U height) | |
| Weight | ≤6.6kg shipping weight | |
| Memory and processor | 2 GB SDRAM; Packet buffer size: 4 MB, 512 MB flash | |
| Mounting and enclosure | Mounts in an EIA standard 19-inch telco rack or equipment cabinet (hardware included) | |
| Performance | IPv6 Ready Certified | |
| 1000 Mb Latency | < 5 μs | |
| 10 Gbps Latency | < 3 μs | |
| Throughput | up to 180 Mpps | |
| Routing/Switching capacity | 288 Gbps | |
| Routing table size | 32768 entries (IPv4), 16384 entries (IPv6) | |
| MAC address table size | up to 64K, recommended 32K | |
| Environment | ||
| Operating temperature | 23°F to 113°F (-5°C to 45°C) | |
| Operating relative humidity | 5% to 95%, noncondensing | |
| Non-operating/Storage temperature | -40°F to 158°F (-40°C to 70°C) | |
| Non-operating/Storage relative humidity | 5% to 95%, noncondensing | |
| Acoustic | Low-speed fan: 53 dB, High-speed fan: 68.9 dB; ISO 7779 | |
| Electrical characteristics | ||
| Frequency | 50/60 Hz | |
| Maximum heat dissipation | Ranges from 81 BTU/hr to 416 BTU/hr depending on power supply configuration | |
| Voltage | 90 VAC to 264 VAC -36 VDC to -72 VDC | |
| Current Maximum power rating | 2A 150 W | |
| Idle power | 24W | |
Đánh giá