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DLP-D
*LEAD-FREE*
USB-BASED SECURITY DONGLE
Features :
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Hard-Coded, Unique Serial Number
USB 1.1 and 2.0 Compatible Interface
Small Size; Easily Fits on Key Chain
Applications :
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Access Control
Copy Protection
1.0 INTRODUCTION
The DLP-D Security Dongle is pre-programmed with a unique identification number (Serial Number)
that is readable over USB but cannot be altered by any means. Since each serial number is unique,
this device provides a way of linking application software to a specific hardware dongle with a high
level of security.
2.0 USING THE DLP-D
The serial number in the DLP-D Dongle is readable over USB, but it cannot be modified. To read the
serial number, USB drivers need to be installed on the PC.
In addition to utilizing the DLP-D Dongle to directly tie hardware to application software, the serial
number can be encrypted and then stored in the “User Area” of the DLP-D. The data stored in the
integrated EEPROM User Area can contain information in addition to the serial number such as date
and time information or the name of the person the device is registered to. The EEPROM User Area is
accessible using the USB driver’s EEPROM User Area functions: FT_EE_UASize, FT_EE_UAWrite,
and FT_EE_UARead.
Rev. 1.2 (March 2007)
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DLP Design, Inc.
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