5.1 Power Cable and Ground Cable
Power cable supplies power and ensures that the load works in the normal state, and ground
cable is used to protect devices from lightning strike and interference.
5.1.1 DC Power Cable (Cabinet)
The DC power cable is used to transmit the DC power to loads and enable the loads to work
in the normal state.
Application
The DC power cable (cabinet) connects the power port of the device to the external power
supply. It is connected as follows:
l One end of the DC power cable is connected to the output port of the DC power supply.
l The other end of the DC power cable is connected to the input port on the DC PDU of
the device.
NOTE
The black cable is the -48 V return ground cable connected to the RTN(+) terminal of the DC power board.
The blue cable is the -48 V power cable connected to the NEG(-) terminal of the DC power board.
Appearance and Structure
Figure 5-1 and Figure 5-2 show the appearances of a -48 V return ground cable and a -48 V
power cable.
Figure 5-1 Appearance of a -48 V return ground cable
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
5 Cable
Issue 24 (2018-07-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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