Steps:
1. After login to the production system server, go to the folder of the project
cd [project_folder_path]
2. Checkout the correct revision from CVS, for a specific file
cvs checkout -r [file_revision_number] [file_folder_path/file_name]
Note: The option "-r [file_revision_number]:" performs the checkout of the specified revision.
Example:
cd /home/projects/myWebsite
cvs checkout -r 1.14 public_html/events/localEventMenu.jsp
Useful resources:
http://cvsman.com/cvs-1.12.12/cvs_138.php#SEC138