OCS 2007 R2 Resource Kit

Office Communications Server 2007 R2 Resource Kit Tools provides a set of deployment and technical reference information for Microsoft Office Office Communications Server 2007 R2.

Grab them from here:

https://www.microsoft.com/downloads/details.aspx?FamilyID=9E79A236-C0DF-4A72-ABA6-9A9602A93ED0&displaylang=en