HUAWEI NetEngine40E Universal ServiceRouter
Hardware Description
5 NE40E-8 Chassis Overview
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
V DC to -78 V DC).
The secondary power output is abnormal, like the power
fan fault, the overheated power module, and the
lightning prevention circuit fault.
The primary line supplies power for the NE40E system and boards.
The secondary line supplies power for the fan module.
Figure 5-5 shows the plastic panel of the power module on the NE40E-8.
Figure 5-5 Plastic panel of the power module on the NE40E-8
Table 5-3 shows the connection between the DC power cable and the terminal.
Table 5-3 Connection between the DC power cable and the terminal
JG dual-hole crimp terminal
NOTE
RTN: Return
NEG: Negative
PGND: Protection Ground
Functions
The power supply of the NE40E-8 have a primary straight-through output and a secondary
regulated voltage of -48 V DC output.
The power supply provides the following functions:
The primary straight-through power provides protection against short circuits.