Huawei CloudEngine S12700E Series Switches

Huawei CloudEngine S12700E-4 Switch provides ultra-large switching, wired and wireless convergence, full-stack openness, and smooth upgrade at the core of high-end campus networks. As flagship core switches in Huawei’s Cloud Campus portfolio, this series enables the clients to create simplified, intelligent campus networks that center on service experience.



Number of LPU slots 4
Number of MPU slots 2
Number of SFU slots 2
Number of fan slots 2
Number of power module slots 4
Number of CMU slots 2

Port density per chassis

192xFE, 192xGE, 192x10GE, 160x25GE, 96x40GE, 96x100GE


The switch can be installed in an N66E or N68E cabinet, one cabinet for one or two chassis.

Cluster switch system (CSS) : Service port clustering

Power specifications

DC input voltage
Rated voltage: -48 V DC to -60 V DC
Maximum voltage range: -40 V DC to -72 V DC

AC input voltage
Rated voltage: 110 V AC/220 V AC, 50/60 Hz
Maximum voltage range: 90 V AC to 290 V AC; 47 Hz to 63 Hz (The maximum output power reduces by a half when the input voltage ranges from 90 V AC to 175 V AC.)

HVDC input voltage (3000 W AC)
Rated voltage: 240 V DC
Maximum voltage range: 190 V DC to 290 V DC

Dimensions (H x W x D, without rack-mounting brackets)

With cable management frames (10 U high): 441.7 mm x 442 mm x 585 mm (17.39 in. x 17.4 in. x 23.0 in.)
Without cable management frames (10 U high): 441.7 mm x 442 mm x 517.4 mm (17.39 in. x 17.4 in. x 20.37 in.)

Weight (empty/fully configured) : 24.5 kg/66 kg (54 lb/145.5 lb)

Reliability and availability

Mean Time Between Failures (MTBF): 33.38 years
Mean time to repair (MTTR): 2 hours
Availability: 0.99999658

Environment specifications

Operating temperature and altitude:
-60 m to +1800 m (-197 ft. to 5906 ft.): 0°C to 45°C (32°F to 113°F)
1800 m to 4000 m (5906 ft. to 13123 ft.): Operating temperature decreases by 1°C (1.8°F) every time the altitude increases 220 m (722 ft.).
4000 m (13123 ft.): 0°C to 35°C (32°F to 95°F)
Relative humidity: 5% RH to 95% RH (noncondensing)
Storage temperature: -40°C to +70°C (-40°F to +158°F)
Storage altitude: < 5000 m (16404 ft.)

Noise under normal temperature (sound power) : ≤ 78 dB(A)


EMC certification
Safety certification
Manufacturing certification

Part number : 02115869


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