Advanced Card Systems ACR1251U A Users Manual
ACR1251U-A
User Manual
V1.00.00
Document Name:
ACR1251U-A User Manual.doc
Prepared by: Reviewed by: Approved by:
Subject to change without prior notice
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Version History
Date By Changes Version
Vincent Zhong
2012-1-3
Lampard Ou
Kit Au
First Release
1.00.00
ACR1251U-A2CNCA500
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Design Specification
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Table of Contents
1.0. Introduction ...............................................................................................................4
2.0. Features .....................................................................................................................5
3.0. Architecture...............................................................................................................6
4.0. Connection with computer.......................................................................................7
4.1. plug the ACR1251U-A to a computer USB port, and the red light will be flashing................7
4.2. the driver will be auto install after plugging the reader. You should see the red box below.8
4.3. When you put a contactless card on the reader, the green LED will be on. .........................8
4.4. The card ID can be checked by some card tool software, e.g. APDU.exe, the card ID is
shown in the red box below.....................................................................................................................9
Appendix A. Parameter sheet.........................................................................................10
Appendix B. Firmware Upgrade Procedure...................................................................12
Method 1: Upgrade by “FW” Key....................................................................................................12
Method 2: Upgrade by APDU command........................................................................................12
ACR1251U-A2CNCA500
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Design Specification
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1.0. Introduction
The ACR1251U is a dual-interface reader (IFD and PCD) that supports contact (SAM) and
contactless (PICC) smart cards.
ACR1251U-A2CNCA500
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Design Specification
Version 1.00.00
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