2-8
Chapter 2
DX-408/DX-408i Digital Key System Installation
3. Grounding
"
The Protective Earth (P.E.) is provided via the GPO socket.
"
Ensure that the GPO socket is correctly earthed and is connected to a single phase supply.
"
Improper earthing may cause malfunctioning of the DX-408/DX-408i digital key system.
Before removing the power lead from the KSU the following must be followed in order to
protect the KSU and service personnel.
✔
Switch off Power
✔
Remove all trunk connections
✔
Remove Power Lead
WARNING
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