How to check that the device is onu?

[Tony]

Hello i have a device used for my earlier connection and how can i check that it is onu and use it to connect my router and adsl.

 

[harpy.eagle]

Just search online with model number. Thats easiest way to find its specs. Otherwise share here. Others can find it out.

 

[sng_shivang]

If there is an optical port then it's an ONU