it's no problem to synchronize a Series 2 PCMCIA-CAN/2 card and a USB-DAQPAD-6015. However, you might want to take a look at this this KnowledgeBase article. Similar to using a PCMCIA-CAN and a DAQcard, you would need to use the PCMCIA-CAN Synchronization Cable to connect the PCMCIA-CAN card to the 68-pin connector of the USB-DAQPAD.