On Oct 21, 2008, at 12:55 AM, Volker A. Brandt wrote:

is ther any chance to use a smartcard SLE4442 with 2WBP in Sun Ray for
hotdesking ?

The data sheet for the SLE4442 says that it requires synchronous
clocking for data transfer.  Sun Ray supports only asynchronous
clocking.  So the answer is no, the SLE4442 can not be used for
hotdesking.

Interesting!  Is this an electrical or a logical property?

It is a limitation of the firmware in the DTU.

In other words, when I insert an arbitrary card into a DTU and
I get the "unknown" match in /var/opt/SUNWut/log/auth_log with
an ATR dump, can I assume that the card uses asynchronous clocking?

Yes.

mike


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