Description
| Item | CE6851-HI-B-B0A-AC dual | |
| Fixed port | 48 10G SFP+, 6 40GE QSFP+ ports | |
| Forwarding rate | 1,080 Mpps | |
| Switching capacity | 1.44 Tbit/s | |
| Power source type | AC/DC | |
| AC power input | Rated input voltage range: 100 V AC to 240 V AC, 50/60 Hz | |
| Maximum input voltage range: 90 V AC to 290 V AC, 47 Hz to 63 Hz | ||
| DC power input | Rated voltage range: -48 V DC to -60 V DC | |
| Maximum voltage range: -38.4 V DC to -72 V DC | ||
| High-voltage DC power input | Not supported | |
| Rated input current | 350 W DC power (PDC-350WA series): 11 A (-48 V DC to -60 V DC) | |
| 600 W AC power (PAC-600WA series): 9 A (100 V AC to 240 V AC) | ||
| Maximum power consumption | 245 W | |
| Typical power consumption | 145 W (100% throughput, SFP+ cables on 48 ports and QSFP+ cables on 6 ports, double power modules) | |
| Maximum heat dissipation | 836 BTU/hr | |
| Typical heat dissipation | 495 BTU/hr (100% throughput, SFP+ cables on 48 ports and QSFP+ cables on 6 ports, double power modules) | |
| Surge protection | Power module: | |
| AC: 6 kV in common mode and 6 kV in differential mode | ||
| DC: 4 kV in common mode and 2 kV in differential mode | ||
| Heat dissipation mode | Air cooling | |
| Airflow | Front-to-back or back-to-front, depending on the fan modules and power modules | |
| Power module backup | 1+1 backup | |
| Fan module backup | 1+1 backup not supported | |
| NOTE: A CE6800 chassis uses two fan modules, with each fan module containing two fans. The four fans in the chassis work in 3+1 backup mode. | ||
| Hot swap | Supported by all power modules and fan modules | |
| Mean time between failures (MTBF) | 49.08 years | |
| Mean time to repair (MTTR) | 1.77 hours | |
| Availability | 0.999995875 | |
| Processor | 1.2 GHz, quad-core | |
| DRAM Memory | 2 GB | |
| NOR Flash | 16 MB | |
| NAND Flash | 1 GB | |
| Service port supporting the stack function | 10GE optical ports and 40GE optical ports | |
| Certification | Safety standards compliance | |
| EMC standards compliance | ||
| Environmental standards compliance | ||
| Temperature | Operating temperature: 0°C to 40°C (32°F to 104°F) at altitude of 0-1800 m (0-5906 ft.) | |
| NOTE:When the altitude is 1800-5000 m (5096-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.). | ||
| Storage temperature: -40°C to +70°C (-40°F to +158°F) | ||
| Relative humidity | 5% RH to 95% RH, noncondensing | |
| Altitude | < 5000 m (16404 ft.) | |
| Noise (sound pressure, 27°C) | Back-to-front airflow: < 56 dBA | |
| Front-to-back airflow: < 58 dBA | ||
| Physical specifications | Dimensions (W x D x H): 442.0 mm x 420.0 mm x 43.6 mm (17.4 in. x 16.5 in. x 1.72 in.) | |
| Weight (with two power modules and two fan modules, calculated based on the heaviest model if multiple models are supported): 8.7 kg (19.18 lb) | ||


















nicole –
The CE6851-HI-B-B0A-AC Dual is a major improvement in appearance and performance compared to the previous product purchased, and will continue to be supported.