The smartjack is physically in the small box in the door of it. Once the box is opened its in the door's box. Old pictures but this is sort of how it appears when AT&T opens it.

Here it is when opened

https://www.dslreports.com/r0/download/333272~8e25a0416198744ee06d052d7ece5c39/DSC03448Large.JPG

Here it is when its closed.

https://www.dslreports.com/r0/download/333273~6f9daa15cbc4ecaf3b0f6719af1f6c05/DSC03449Large.JPG

It uses some weird screw and I don't think AT&T wants me opening it.