D channel won't work on any other channel besides 24 in that system. Switch type deals with what Central Office equipment and protocol your are connecting to, settings are 1, 2 or 3. Those are the correct line settings for a PRI in system programming. IDS PRI card will not work with a channelized T1 you will have to go with a T1 card and not a PRI to make that work with what you're trying to do.