Reference Manual Preliminary
Prox–DU & Prox–SU
www.gemalto.com Release for first samples Do not use for final design
DOC118569A Public Use Page 21/134
Interface Features
USB serial interface
The USB interface is available with the Prox–DU and the Prox–SU.
The USB interface is USB 2.0 full speed compliant.
The USB interface is a composite device composed of the following devices:
• One USB Smart Card reader for the contact interface
• One USB Smart Card reader for the contactless interface
• One USB Human Interface Device for the reader administration
Figure 13 – USB devices (Windows XP example)
The USB interface does not requires a specific driver for use with various operating system.
The standard USB CCID driver included into the operating system of the computer is used
for the smart card interface.
The standard USB HID driver included into the operating system of the computer is used for
the device administration.
The selected suspend is not supported by the USB interface. Only standard suspend is
supported.
Contactless interface
The contactless interface is available with the Prox–DU and the Prox–SU and is composed
of a landing zone located in the front cabinet defined by the following contactless logo:
Figure 14 - Contactless logo of the landing zone
The contactless antenna is integrated into the device. It consists of inductive loops and a
matching circuit mounted into the printed circuit board.
This contactless interface complies with the ISO14443-A&B standard.
The characteristics for the contactless interface are as follows:
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