The Huawei CloudEngine S12700E-4 is a high-performance core switch built for high-end campus networks, supporting ultra-large switching capacity and advanced convergence of wired and wireless services. Featuring smooth upgrade paths, flexible architecture, and full-stack openness, it delivers high availability, agility, and reliability. It is ideal for enterprises, education, and smart campus applications requiring service-centric networking infrastructure.
Chassis Specifications
- Line Processing Unit (LPU) Slots: 4
- Main Processing Unit (MPU) Slots: 2
- Switch Fabric Unit (SFU) Slots: 2
- Fan Slots: 2
- Power Module Slots: 4
- Control and Monitoring Unit (CMU) Slots: 2
Port Density per Chassis
- 192 × FE
- 192 × GE
- 192 × 10GE
- 160 × 25GE
- 96 × 40GE
- 96 × 100GE
Installation
- Compatible Cabinets: N66E or N68E (Supports one or two chassis per cabinet)
Clustering
- Cluster Switch System (CSS): Supported via service port clustering
Power Specifications
- DC Input Voltage: -48 V to -60 V (Max: -40 V to -72 V)
- AC Input Voltage: 110 V/220 V AC, 50/60 Hz (Max: 90–290 V AC, 47–63 Hz)
- HVDC Input Voltage (3000 W): Rated 240 V DC (Range: 190–290 V DC)
Dimensions
- With Cable Management: 441.7 mm × 442 mm × 585 mm (17.39 in × 17.4 in × 23.0 in)
- Without Cable Management: 441.7 mm × 442 mm × 517.4 mm (17.39 in × 17.4 in × 20.37 in)
Weight
- Empty: 24.5 kg (54 lb)
- Fully Configured: 66 kg (145.5 lb)
Reliability & Availability
- MTBF: 33.38 years
- MTTR: 2 hours
- Availability: 99.999658%
Environmental Specifications
- Operating Temperature:
- -60 m to +1800 m: 0°C to 45°C (32°F to 113°F)
- 1800 m to 4000 m: -1°C per 220 m rise in altitude
- 4000 m max: 0°C to 35°C (32°F to 95°F)
- Relative Humidity: 5% to 95% RH (non-condensing)
- Storage Temperature: -40°C to +70°C (-40°F to +158°F)
- Storage Altitude: < 5000 m (16404 ft)
Noise Levels
- Normal Operating Conditions: ≤ 78 dB(A)
Certifications
- EMC Certification
- Safety Certification
- Manufacturing Certification




