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R240D
Hardware Installation and Maintenance Guide
5.1.2 Assembling Power Cables
Assembling the OT Terminal and Power Cable
Context
Figure 5-1 shows the components of an OT terminal and a power cable.
Figure 5-1 Components of an OT terminal and a power cable
A. Heat-shrinkable tubing
Procedure
Step 1 Based on the cross-sectional area of the cable conductor, strip a length of insulation coating C
to expose the conductor D of length L1, as shown in Figure 5-2. The recommended values of
L1 are listed in Table 5-1.
Issue 03 (2016-01-26)
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When stripping the jackets of cables, avoid damaging the shield layers (braid or
aluminum foil), insulation, core conductors, and other jackets that do not need to be
stripped.
−
After assembling cables, cut all visible cross sections of jackets to ensure that the
cross sections are arranged neatly.
−
Do not touch the core conductors of cables with your hands. Terminate exposed
conductors in a timely way after stripping off insulation so that the surface of the
conductors does not become oxidized.
Take the following precautions when crimping and connecting cables or connectors:
−
The terminals and conductors should be connected tightly after they are crimped.
They should not be moved or turned.
−
Cut all the exposed copper wires.
−
Try to avoid a second crimping of sleeves.
−
Keep all the conductors clean and aligned.
The connectors, cables, and tools provided by different vendors may be different. The figures in this
document are for your reference only.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
B. Bare crimping terminal
5 Appendix
C. Insulation
D. Conductor
24
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