Having to use 'a card reader' bought myself a good looking Vasco 905 device.
You may run into this problem because of the fact that for example KBC is distributing the same device but not with the vasco logo but with ... KBC.
After the upgrade to Mac OS X v 10.9 the thing did not work anymore.
Looking around on the net I found the following post on the Vasco website: https://retail.vasco.com/du/install/faq/20100114_990081.aspx
In this post a clear distinction is made between version 1.1 and version 2.0 of the card reader.
How to determine the version is also indicated.
Actions to take:
Version 1.1 -> ask for a new one. the procedure to do so is clearly indicated
version 2.0 -> use terminal session -> pcsctest
if this doesn't show all details:
