For users at SLAC, the RCE SDK can be copied from:
/afs/slac/www/projects/CTK/SDK/rce-sdk-latest.tar.gz
External users can download it over the web:
wget http://www.slac.stanford.edu/projects/CTK/SDK/rce-sdk-latest.tar.gz
Once downloaded, install only on a RHEL5/6 or SL5/6 linux host.
Install by extracting the download using tar.
For example:
mkdir <your_sdk_dir>
cd <your_sdk_dir>
wget http://www.slac.stanford.edu/projects/CTK/SDK/rce-sdk-latest.tar.gz
tar -xzf rce-sdk-latest.tar.gz