Huawei S6700 Series Hardware Description page 85

S6700 Series Ethernet Switches
Hardware Description
Types of DC Power Cables
DC power cables include a -48 V power return cable and a -48 V power cable. The -48 V power
return cable is connected to a terminal marked RTN (+), and the -48 V power cable is connected
to a terminal marked NEG (–).
Appearance and Structure
Figure 6-14
and -48 V power cable.
Figure 6-14 Appearance of a -48 V power return cable
Issue 12 (2015-07-31)
and Figure 6-15 show the appearance and structure of the 48 V power return cable
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