The installation of SLM, please expert help to answer, thank you

Hello: Advisory question

My SAP system is LINUX, the database is already installed MaxDB ECC6 SR3 had, ECC6 SR3 specific configuration is as follows: ECC6 the SID is DEV, MAXDB the SID is DEV. Now I would like to on the same server to install SLM, the SLM's SID I QAS and I use the SLM database SID also QAS to install this, then to influential ECC6 SR3 before it? (MODI not technology installation)

Thanks