This addon.pgi.012.zip is for the PGI 1.5 firmware. Just follow below as a help .
1. Unzip the addon.pgi.012.zip file and you should get a addon.pgi.012.tbz2 file.
2. Open web interface (use your web browser and ip-adress for the ip box 192.168.1.x)
3. Go to setup, and plug-ins.
4. Choose the file and upload.
5. Reload web interface you should have a cam under settings.
6. Set Yellow button as Mgcamd and Green as OSCAM
7. Re-boot ip box and test .
Note No Keys are loaded in the VAR/KEYS folder at this stage.