This isn't a SSL thing, your software is too out of date and most modern browser have locked those protocols out.
You can try using FireFox, then in the address bar type about:config and acknowledge the doom and gloom warning. Search for security.tls.version.enable-deprecated and set to true. Restart FireFox and try to access the system. There is no equivalent setting in Chrome, Edge, or IE. Note that this will be removed from Firefox in the future as well, but we don't know when.