Heat Dissipation - Huawei S6700 Series Hardware Description

S6700 Series Ethernet Switches
Hardware Description
Figure 2-6 Power supply connections of dual DC power modules
Motherboard
PWR2
NEG: Negative cable
Figure 2-7
is transmitted to the PWR module, the PWR module provides -53 V output voltage, and the
motherboard provides power for the entire device.
Figure 2-7 Power supply connections of dual AC power modules
Motherboard
PWR2
L: Live wire

2.4.6 Heat Dissipation

Table 2-10
Issue 12 (2015-07-31)
-53V GND
PWR1
NEG RTN NEG RTN
RTN: Positive cable
shows the power supply connections of dual AC power modules. After AC power
-53V GND
PWR1
L N PGND
N: Neutral wire PGND: Protective ground wire
describes the heat dissipation methods of the S6700-EI.
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GND: -53 V reference ground
L N PGND
2 Chassis
GND: -53 V reference ground
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