Please re-point the topology manager database to another database [Setup#2]. 

 
 1. Navigate to server 2 %Tridion_Home%\TopologyManager\web
 2. Decrypt server 2 database section in web.config
 3. Change database settings in node in web.config
 4. Encrypt the config file
 5. Restart IIS [Server #2]

Click here - [How to Decrypt a web.config File][1]


  [1]: https://msdn.microsoft.com/en-in/library/bb986792.aspx