H3C S5120-EI series Installation Manual page 62

(2) Grounding/pole detection LED
(red)
(3) Power switch
(4) IEC standard socket
(5) Overload automatic protector
(6) Multifunctional socket
NOTE:
Lightning arrester will not be shipped with the switch. Purchase it by yourself if needed.
•
If an outdoor AC power cord must be directly led to the switch, please serially connect the lightning
•
arrester for AC power (Socket Strip with Lightning Protection) before you plug AC power cord into the
switch, thus to prevent the possible damage to the switch due to lightning strike. You can use cable clips
and screws to fasten the lightning arrester for AC power on the cabinet, workbench or the wall of
equipment room.
On indicates a wrong wire connection (the wire is not grounded or the live
line and null line are reversely connected), and you need to check the
power supply line.
It is used to connect to the power supply in the equipment room through a
power cord.
It can reset automatically.
It is used to connect the power module of the device.
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