Item | | CloudEngine 6881- 48S6CQ | CloudEngine 6881- 48T6CQ |
Physical Features | Dimensions (W × D ×H, mm) | 442*420*43.6 | |
| Weight (excluding optical transceivers, power modules, and fan assemblies/ including AC power modules and fan assemblies,
excluding optical transceivers, kg) | 5.7/7.8 | 6.5/8.5 |
| Switching capacity (Tbps) | 2.16 | |
| Forwarding performance (Mpps) | 940 | |
25GE SFP28 ports | | 0 | 0 |
10GE SFP+ ports | | 48 | 0 |
10GE BASE-T ports | | 0 | 48 |
40/100GE QSFP28 ports | | 6 | |
Management interface | Out-of-band management port | 1*GE management interface | |
| Console port | 1*RJ45 interface | |
| USB port | 1 | |
CPU | Main frequency (HZ) | 1.4G | |
| Number of cores | 4 | |
Storage | RAM | 4GB | |
| NOR Flash | 64MB | |
| NAND Flash | 4GB | |
System | System buffer | 42MB | |
Power
Supply
System | Power modules | 600W AC | |
| | 1000W -48V DC
1200W 380V HVDC | |
| Rated voltage range (V) | AC: 100V to 240V DC: -48V to -60V HVDC: 240V to 380V | |
| Maximum voltage range (V) | AC: 90V to 290V DC: -38.4V to -72V HVDC: 190V to 400V | |
| Maximum input current | AC 600W: 100V to 240V 8 A 1000W -48V DC: -48 to 60V 30A
1200W 380V HVDC: 190V 8A | |
| Typical power | 194W (100% traffic load, copper cable, normal temperature, dual power modules)
240W (100% traffic load, short-distance optical transceivers, normal temperature, dual power modules) | 347 W (100% traffic load, 3 m network cables and copper cables, normal temperature, dual power modules)
362 W (100% traffic load, 3 m network cables and short- distance optical modules, normal temperature, dual power modules) |
| Maximum power | 349W | 452W |
| Frequency (AC, HZ) | 50/60 | 50/60 |
Heat Dissipation | Heat dissipation mode | Air cooling | |
| Number of fan trays | 4 | |
| Heat dissipation airflow | Front-to-back or back-to-front airflow | |
| Maximum heat consumption (BTU/hr) | 1191 | 1542 |
Environment specifications | Long-term operating temperature (°C) | 0°C to 40°C (0-1800m)
The temperature decreases by 1°C each time the altitude increases by 220 m. | |
| Storage temperature (°C) | -40°C to +70°C | |
| Relative humidity | 5% to 95% | |
| Operating altitude (m) | Up to 5000 | |
| Sound power at 27°C (dBA) | Front-to-back airflow: < 67
Back-to-front airflow: < 66 | Front-to-back airflow: < 68
Back-to-front airflow: < 67 |
| Sound power at 40°C (dBA) | Front-to-back airflow: < 84
Back-to-front airflow: <83 | Front-to-back airflow: < 85
Back-to-front airflow: <84 |
| Sound pressure at 27°C (dBA) | Front-to-back airflow: 53 in average
(maximum: 58)
Back-to-front airflow: 52 in average (maximum: 57) | Front-to-back airflow: 54 in average
(maximum: 59)
Back-to-front airflow: 53 in average (maximum: 58) |
| Surge protection | AC power supply protection: 6 kV in common mode and 6 kV in differential mode
DC power supply protection: 4 kV in common mode and 2 kV in differential mode | |
Reliability | MTBF (year) | 45.90 | 48.16 |
| MTTR (hour) | 1.57 | 1.78 |
| Availability | 0.9999960856 | 0.9999953209 |
