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NWA/WAC/WAX Series User’s Guide
33
CHAPTER 3
Hardware
See the Quick Start Guide for hardware installation and connections.
3.1 Grounding (WAC6552D-S and WAC6553D-E)
Earth grounding helps protect against lightning and interference.
Note: The power installation must be performed by qualified service personnel and should
conform to the National Electrical Code.
The Zyxel Device must be connected to earth ground to adequately ground the Zyxel
Device and protect the operator from electrical hazards.
Qualified service personnel must confirm that the protective earthing terminal of the
building is a valid terminal.
Before connecting the ground, ensure that a qualified service personnel has attached
an appropriate ground lug to the ground cable.
1 Remove one of the ground screws from the Zyxel Device’s rear panel.
2 Secure a green/yellow ground cable (18 AWG or smaller) to the Zyxel Device’s rear panel using the
ground screw.
3 Attach the other end of the cable to the ground, either to the same ground electrode as the pole you
installed the Zyxel Device on or to the main grounding electrode of the building.
Note: Follow your country's regulations and safety instructions to electrically ground the Zyxel
Device properly. If you are uncertain that suitable grounding is available, contact the
appropriate electrical inspection authority or an electrician.
Warning! Connect the ground cable before you connect any other
cables or wiring.
The figure below illustrates how the ground cable (A) is attached to the Zyxel Device and goes to the
earth ground (B).
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