Connect peripherals to APC Smart-UPS 1500

if you firewall has a us 3 prong 110 volt plug then it should plug in to back of the ups.
how is it connected now to power?

CT

I live in Europe, so two prong plug. It is connected to a mains socket using the AC adapter that came with it.

So everything is using 220v ? Or at least the same voltage?

If yes, you should be able to just plug it into the UPS, which outputs the same as the wall socket.
I have a monitor, computer, cable modem, and Linksys router all running on an APC 350. I had to us a power strip to get enough open sockets.  ; )

should be ...to use a power strip...

The modem and router only have 2 prongs.
Also this is US 110v

Well, my Smart-UPS does NOT have the same outputs as a wall socket. Otherwise I wouldn't have asked my question.

The cord you propose using is not the correct cord for the application you mention.  The cord shown is a 3-prong plug into a 220v outlet.  The setup you need, much like coral47 references, is to use a power strip and plug all your devices into the strip then plug the strip into the UPS.  You will not find a 2-prong to 3-prong adapter.  Although you could probably make one, i wouldn't recommend it.

>> Smart-UPS does NOT have the same outputs as a wall socket

Ahhhhh...   so the wall socket is 220, and the ACP is putting out 110?
In that case, all you need to do is get the 110v power adapter for the Netgear. Just make sure it has the correct DC volts and Amps output as the 220v adapter you are using now. Amps can be higher, but Volts need to be the same.

Thats great to hear !  Hopefully, in the future, you will seek out more advice from EE.