We are setting up a TF server for customers to be able to remotely send files to us. We purchased the Planet card only to find that common commercial modems such as 3Com Impact and Motorola Bitsurfr will not be answered by Planet cards (the Bitsurfr is too slow and the Planet will not slow down for them). Are there any ISDN adapters are available for a NuBus Mac that will support these modems?