Huawei RRU3260, Руководство по установке, Страница: 131 / 132

Figure 12-6 Tightening screws
2. Connect the blue core wire labeled NEG(-) to the - port and the black/brown core wire
labeled RTN(+) to the + port on the tool-less female connector (pressfit type), and then
tighten the screws using a Phillips screwdriver, and then use a torque screwdriver to
tighten the M4 screws to 1.4 N·m (12.39 lbf·in.), as shown in
Figure 12-7 .
DANGER
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.
Figure 12-7 Adding a tool-less female connector (pressfit type) to two core wires
3. After the core wires are installed, ensure that each core wire is securely installed after
being dragged with a torque of 30 N•m and all copper wires are inserted in the connector
terminal socket.
Step 5 Strip the specified length of the sheath off the power cable to expose the intact shield layer, as
shown in
Figure 12-8 .
RRU3260
Installation Guide
12 Appendix
Issue 10 (2015-12-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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