Huawei CloudEngine 7800 Series Hardware Description page 101

CloudEngine 7800&6800&5800 Series Switches
Hardware Description
Item
Surge protection
Heat
dissipation
Reliability
Issue 16 (2015-08-26)
Description
l CE5850-48T4S2Q-EI: 351 BTU/hr (100% traffic
l CE5850-48T4S2Q-HI: 372 BTU/hr (100% traffic
l CE5855-48T4S2Q-EI: 259 BTU/hr (100% traffic
l CE5855-24T4S2Q-EI: 164 BTU/hr (100% traffic
Ethernet electrical ports: 2 kV in common mode
Power module:
l AC:
l DC: 4 kV in common mode and 2 kV in differential
Heat dissipation Air cooling
mode
Airflow Front-to-back or back-to-front, which is determined by
features of fan modules and power modules.
Power module 1+1 backup
backup
Fan module The CE5850EI and CE5810EI support 1+1 backup of
backup fan modules
NOTE
Hot swap All the power modules and fan modules support hot
swap.
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load, 3 m network cables on 48 ports and SFP+
cables on 4 ports and QSFP+ cables on 2 ports,
double power modules)
load, 3 m network cables on 48 ports and SFP+
cables on 4 ports and QSFP+ cables on 2 ports,
double power modules)
load, 3 m network cables on 48 ports and SFP+
cables on 4 ports and QSFP+ cables on 2 ports,
double power modules)
load, 3 m network cables on 24 ports and SFP+
cables on 4 ports and QSFP+ cables on 2 ports,
double power modules)
– CE6850-48S6Q-HI, CE6850-48T6Q-HI,
CE6850U-48S6Q-HI, and CE6850U-24S2Q-
HI: 4 kV in common mode and 2.5 kV in
differential mode
– Other models: 6 kV in common mode and 6 kV
in differential mode
mode
A CE6800, CE7850, CE5855EI, or CE5850HI chassis uses
two fan modules, with each fan module containing two fans.
The four fans on the chassis work in 3+1 backup mode.
2 Chassis
91