What are the requirements to connect database which is hosted on an AS400?

The settings you need to connect Database which is hosted on AS400 >> Database
>> You can leave * or specify the IP address of the AS400 server User_Name 
>> the username that you use to connect to the AS400 Password >> the password for this user >> Custom String 
>> the last element of this parameter is empty. 
This item shows the libraries on which you want to connect.
If multiple libraries to be used, separated by commas.
Prerequisite:To connect to a database which is hosted on an AS/400, the iSeries client must be 
installed on computer where MyReport Data, DATARUN,Datarunwin or will be deployed.