[Q] Problems with USB OTG topic

Hello. My phone is Samsung Galaxy S3 Neo (GT-I9301I) with custom ROM installed on it (CyanogenMod 12). today I bought and USB OTG cable (Y type). I connected it to the power source, then plug the usb stick to the port and then I inserted the micro usb plug in my phone. And. nothing happend (no notification on the status bar). Any ideas how to fix this?

Link to ROM I installed:
http://forum.xda-developers.com/gala...3-neo-t2983109