Dimensions (W x D x H): 442.0 mm x 607.0 mm x 43.6 mm (17.4 in. x 23.9 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): 11.2 kg (24.69 lb)
Environment parameters
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: < 55 dBA
Front-to-back airflow: < 54 dBA
Power specifications
Power source type
AC
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
Not supported
High-voltage DC power input
Not supported
Rated input current
600 W AC power (PAC-600WA series): 9 A (100 V AC to 240 V AC)
Chassis power consumption
Maximum power consumption
431 W
Typical power consumption
297 W (100% throughput, QSFP+ cables on 32 ports, double power modules)
Chassis heat dissipation
Maximum heat dissipation
1471 BTU/hr
Typical heat dissipation
1013 BTU/hr (100% throughput, QSFP+ cables on 32 ports, double power modules)
Surge protection
AC Power module: 6 kV in common mode and 6 kV in differential mode
Heat dissipation
Heat dissipation mode
Air cooling
Airflow
Front-to-back or back-to-front, depending on the fan modules and power modules
Reliability and availability
Power module backup
1+1 backup
Fan module backup
1+1 backup not supported
NOTE:
CE7800 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)
42.20 years
Mean time to repair (MTTR)
2.0 hours
Availability
0.9999951387
Technical specifications
Processor
1.5 GHz, quad-core
DRAM Memory
4 GB
NOR Flash
16 MB
NAND Flash
1 GB
Stack
Service port supporting the stack function
40GE optical ports
Certification
Safety standards compliance
EMC standards compliance
Environmental standards compliance
CE7850-32Q-EI FAQ
Q1: Are the 32 40GE optical ports backward compatible with 10G devices? Is no additional configuration required?
A1: Yes, they support automatic 40G/10G speed adaptation. No manual configuration is required. They can directly connect to existing 10G devices, offering excellent compatibility. No additional converters are needed, protecting existing investments.
Q2: Does the 40GE speed meet the future development needs of medium-sized enterprises? Is a direct upgrade to 100GE necessary?
A2: 40GE fully meets the core bandwidth needs of medium-sized enterprises for the next 3-5 years. The technology is mature and maintenance costs are low. If subsequent business growth is explosive, expansion can be achieved through stacking, eliminating the need to pay for excess bandwidth initially, resulting in better cost-effectiveness.
Q3: As a mature model, is subsequent technical support and spare parts supply guaranteed?
A3: Huawei provides long-term technical support and spare parts supply services for mature models, ensuring stable operation throughout the equipment's lifecycle. Medium-sized enterprises do not need to worry about subsequent maintenance and upgrades.
Optical Modules Supported by Huawei S Series Switches