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Quick Start Chapter 4 Lightning Protection
of the Switch
H3C S3100-SI Series Ethernet Switches
4-2
Mainboard
Grounding and polarity i ndicator (red) :
On means that the lines are wrongl y connected
(either the gr ound wire is not well connect ed, or the li ve and zero lines are wrongly connect ed).
Please check the power supply cir cuit.
Powe
Normal operation indi cator (green):
On means that the arrester works nor mally. Otherwise, i t
means that the protection cir cuit has been damaged.
Multipurpose power socket, connect ed to the device
Power socket (complied w
connected to the power
through power cord
Overload auto pr
which can be ma
r switc h
protected by the arr ester
ith IEC standard),
supply of the equipment r oom
otector,
nually reset.
Figure 4-1 Diagram of lightning arrester