Panasonic Switch-M12PWR Operation Manual page 4

 Handle the Switching Hub carefully so that fingers or hands may not
be damaged by twisted pair port, SFP extension slot, console port, or
power cord hook block
Important Requests on Protection from Lightning Strike
If you connect a network camera, a wireless access point, or other devices that

can be affected by a lightning strike (in particular, devices installed outdoors) to
the twisted pair port of this Switching Hub, a lightning surge current/voltage may
be conducted to this Switching Hub through the twisted pair cable, leading to
malfunction. If you connect such a device, it is strongly recommended that you
install a surge protective device (SPD) on the twisted pair port side of this
Switching Hub.
A lightning surge current/voltage may be conducted to this Switching Hub

through the power supply or ground wire connected to the power port, leading
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