TP-Link Archer TBE550E User Manual page 25

Direct current
Polarity of d.c. power connector
Indoor use only
Dangerous voltage
Caution, risk of electric shock
Energy efficiency Marking
Protective earth
Earth
Frame or chassis
Functional earthing
Caution, hot surface
Caution
Operator's manual
Stand-by
"ON"/"OFF" (push-push)
Fuse
Fuse is used in neutral N
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