TBH I have never used Talend. A quick google didn't really enlighten me much so I'm not totally clear on what your intention/desire is.
However your mention of "port + database" makes me think that you are trying to remotely connect to the MySQL DB backend? If that's the case have a look here. Otherwise we'll need more info...
However your mention of "port + database" makes me think that you are trying to remotely connect to the MySQL DB backend? If that's the case have a look here. Otherwise we'll need more info...