Fixed Asset Module implementation

Hi, I have a Q. We are implementing the following modules at a client site: AP, AR, GL, Job Costing, Fixed Assets, Expense Management, Non Stock Procurement, HR and Payroll.

Now the client has expressed their interest in going live with Fixed Assets module first, one month prior to Go Live of other modules. I would like to understand the implications of it from JDE perspective, as in what all would need to be done to stop Fixed Asset interface with other modules for one month.

I am thinking on the following lines, but any guidance on these points or others would be much appreciated: