Steps to connect SAP having DB2/400 (Ibmi) on OS400 to external Oracle Database

Hi team,

Could you please suggest steps or notes for SAP BW 7.4 SP 15

Steps to connect SAP having DB2/400 (Ibmi) to external Oracle Database

we are on DB400 Release V7R2 operating system- OS400

we are actually trying to leverage 7.4 openhub feature to exgternal Oracle Database. Hence trying to connect our system to external ORA db

Thanks in advance..