linux driver and port numbers

When install the realport driver and add a new device the port numbers come up 0-15 (for a 16 port device). This can’t be how it is supposed to work- the device numbers no longer correspond to the port numbers written on the portserver. We are migrating from HPUX and this change is going to cause us major difficulties. Is there a reason why the change was made to offset the portserver numbers from the device numbers?

I do not know the primary reason for the port numbering. However, you could create symbolic links to the desired naming scheme. For example:

ln -s /dev/ttya00 /dev/ttyaa01