Figure 5-8 Tightening the nut
Step 8 Use a multimeter to check the connectivity of the 2-pin round connector's cable components,
as shown in Figure 5-9.
Figure 5-9 Checking connectivity
The connectivity meets standards if the following conditions are met:
l Positive and negative holes of the connector are not short-circuited.
l The metal enclosure and connector's holes are not short-circuited.
l The cable shield layer is properly connected to the metal enclosure.
l Core wires are properly connected to the connector's holes.
Step 9 If devices are installed outdoor, wrap three layers of PVC insulation tape around the
connector for protection, as shown in Figure 5-10.
NOTICE
Ensure that proper quantity of the PVC insulation tape is used for wrapping the connector,
facilitating the connector uninstallation in later maintenance.
AP4050DN-E
Hardware Installation and Maintenance Guide
5 Appendix
Issue 05 (2018-02-02) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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