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3. System grounding
SAE-M8000 series surveillance system matrix host grounding port (system grounding) is the lightning
strike place. It must connect to the mother earth. The lightning strike protective grounding of the
“
System
grounding
”
is the guarantee of the system running normally, safely and unfailingly. The lightning strike
protective grounding should use copper wire when burying at outdoor specially. In this condition it can
endure tens and thousands Ampere strike electric current. Unstable grounding may cause system thunder
proof protect circuit invalidation or some other deviant phenomena to happen.
4. SAE-M8000 series surveillance system power supply must use hot line, neu-
tral line and grounding line. Matrix host power supply must use three related
core power. The connecting between matrix host crust and system grounding
must be stable.