The link appears to be correct. This is "Restricted Software" which means that you must have a valid service agreement or the device must be under warranty for this download.
Your Motorola Sales contact should be able to help you get a Service agreement if you need one.
If you have a service agreement or you think your device is under warranty, support should be able to help you with the download. You will need device serial numbers when you call.
- International callers outside US