5.1 DC Power Cables
A DC power cable transmits DC power to the switch.
Applications
A DC power cable connects the following two interfaces:
l Input power jack on the chassis
l Output power interface on an external power system
NOTE
A black -48 V DC power return wire (RTN) is connected to the RTN(+) end of the DC power supply. A
blue -48 V DC power cable is connected to the NEG(-) end of the DC power supply.
Appearance and Structure
The black -48 V DC power return wire and the blue -48 V DC power cable are shown in Figure
5-1 and Figure 5-2.
Figure 5-1 -48 V DC power return wire
5 Cables
Quidway S5300 Series Ethernet Switches
Hardware Description
5-2 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 01 (2011-01-30)
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