For WebSphere version 8 installation, we must use IBM Installation Manager (IIM). For version 7, besides silent installation, we also have alternative approach to install WebSphere binary. It is called centralized installation manager (CIM).
For the CIM environment that does not have internet access, the following approach can be adopted to manually adding files to the repository.
http://pic.dhe.ibm.com/infocenter/wveinfo/v7r0/index.jsp?topic=%2Fcom.ibm.websphere.virtualenterprise.doc%2Fodoe_task%2Ftcimgr_manual.html
Using the centralized installation manager repository tool to add products.
http://pic.dhe.ibm.com/infocenter/wveinfo/v7r0/index.jsp?topic=%2Fcom.ibm.websphere.virtualenterprise.doc%2Finstall%2Ftinstall_cimgr_repos.html
