Presonus 1818 vsl and digimax D8 syncing ?


I have bought the Presonus audiobox 1818 vsl and the Digimax D8 to combine them to get a total of 16 inputs.

This is where i need you help

When connecting the interfaces together using the light pipe i/o and setting the digimax d8 's clock source to external …
What configurations/settings must be altered to make the two interfaces work flawlessly together.

Im using Cubase 5