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RRU5303
Installation Guide
2.
Do not reversely connect the positive and negative poles. Reverse connection of positive and
negative poles may result in equipment malfunctions or personal injury. Therefore, check the
power cable connection before powering on the RRU.
Colors of wires in RRU power cables vary depending on regions. In figures of this section, the blue one
is an NEG(-) cable, and the black one is an RTN(+) one.
Issue Draft B (2018-05-15)
Figure 11-6 Loosening screws
Connect the blue core wire labeled NEG(-) to the - port and the black/red/brown core
wire labeled RTN(+) to the + port on the female connector (pressfit type), and then
tighten the screws using a Phillips screwdriver to 1.4 N· m (12.39 lbf· in.), as shown in
Figure 11-7.
Figure 11-7 Adding a female connector (pressfit type) to two core wires
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