These help documents should be handy.
as per the first link posted by sundeep
(copied from that link)
Lotus Notes Repository Manager
Use : The Lotus Notes repository manager allows you to gain read access to documents that are stored on Lotus Domino servers, and to place them into the portal.
So, what your requirement on Lotus Notes RM?
Using repository manager you can reference the documents that are saved in other db, these documents doesn't directly copied to KM when you create a Repository manager, its just a reference. you can access those documents in portal.
see this help document on Lotus Note integration overview:
I wanted to configure Lotus Notes Repository Manager just to get a variable's value from Lotus Notes.
My requirement is that i need to call a variable from Lotus notes in a HTML file stored in KM Content of my Portal. Can you please suggest a way to acheive the same.
Connection is established between:
1) Active Directory and SAP Enterprise Portal
2) Active Directory and Lotus Notes.
Any help will be highly appreciated.