Changing Sybase Server Managing Port

Hello,

we are using Sybse 2.2 SP02.

We are not able to remote connect - we ran into a timout as described here:

http://scn.sap.com/thread/3211678

So we try to change the managment port to 2020.

But it is not possible in SCC. How to do that? Is it possible?

http://infocenter.sybase.com/help/topic/com.sybase.infocenter.dc01205.0222/doc/html/eka1238018594631.html