How to Switch(control) led on expanded GPIO with PCA9555

Setup, Configuration and Use Beginners
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Hello friends,

I’m newbie in openHab and i’d add some GPIO, after researching i’ve figure out with PCA9555 we can access to another 16 GPIO in raspberry pi, now i want to control a LED item with switch like this:

Switch LED1{ gpio="pin: N " }

My question is, Is it possible? and if not, how i can control these additonal GPIOs?

Thanks for your time,
Morteza.