In / Out on Ethernet Surge Protector

I have a Ethernet Surge Protector PoE Gigabit LAN Thunder RJ45 CAT5 CAT5E CAT6 1000mbs
by Everstar P/N ESWA-3310C6. It has "In" and "Out" posted on the two ends. See the attached picture.

Is "In" for the POE in and "Out" for the POE out?
Or
Is the "In" for the source of the potential shock?

In my case, I am trying to prevent a shock from an outdoor access point getting to my indoor router.
Thanks, Mike
SurgeProtector.png
drippinAsked:
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Ken ButtersConnect With a Mentor Commented:
Yes you are correct... the OUT should go to your device to be protected.

The IN should be used for the source of the signal.
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ldellingerConnect With a Mentor Commented:
Hello,
Whatever device you want protected needs to be connected to the out port.

If a surge were to occur, it would travel from the source, through the in port, and then be stopped at that point by the surge protector.

I hope this helps!

Larry
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