1. Einleitung
The Advanced Card Systems ACR39U is a FIPS 201-compliant USB smart card reader designed for secure smart card-based applications. This device integrates advanced technology with a modern design to meet the demanding requirements of various applications, including payment systems and electronic identification, where high security is paramount.
Key features of the ACR39U include:
- USB-Vollgeschwindigkeitsschnittstelle
- Plug and Play with CCID support for enhanced mobility
- Unterstützt ISO 7816-Karten der Klassen A, B und C (5 V, 3 V, 1.8 V)
- Mit Kurzschlussschutz
- Unterstützt Mikroprozessorkarten mit dem Protokoll T = 0 und T = 1
- Unterstützt Speicherkarten
- TAA-konform
- Compatible with CAC and PIV cards

Image: The ACR39U Smart Card Reader highlighting its key features and compliance standards.
2. Einrichtungsanweisungen
Follow these steps to set up your ACR39U Smart Card Reader:
- Auspacken: Carefully remove the ACR39U reader from its packaging. Ensure all components are present.
- Mit Computer verbinden: Plug the USB Type-A connector of the ACR39U into an available USB port on your computer. The device is designed for plug-and-play operation.
- Treiberinstallation: For most modern operating systems (Windows, macOS, Linux, Android), the necessary drivers will install automatically via CCID support. If automatic installation fails, please visit the Advanced Card Systems webWebseite zum manuellen Herunterladen von Treibern.
- Überprüfung: Once connected, a green LED indicator on the reader should illuminate, signifying that the device is powered and ready for use.

Image: The ACR39U Smart Card Reader connected to a computer via its USB cable.
3. Bedienungsanleitung
Using your ACR39U Smart Card Reader is straightforward:
- Smartcard einlegen: Gently slide your smart card (e.g., CAC, PIV, or other ISO 7816 compliant card) into the card slot of the ACR39U reader. Ensure the card's chip faces upwards and is fully inserted until it clicks into place.
- Kontrollleuchte: The green LED on the reader will typically blink or remain solid when a card is successfully detected and actively communicating with your computer.
- Anwendungsnutzung: Open the specific application or website that requires smart card authentication or data access. Follow the on-screen prompts to use your smart card.
- Smartcard entfernen: When finished, gently pull the smart card out of the reader.

Image: A smart card being inserted into the ACR39U Smart Card Reader.
3.1. Supported Card Types
The ACR39U-U1 operates with MCU cards following the T=0 or T=1 protocol. It is also compatible with SIPRNET and CAC cards, making it suitable for US PIV and PKI applications.
Memory-based smart cards supported include:
- Cards following the I2C bus protocol (free memory cards) with maximum 128 bytes page with capability, including:
- Atmel®: AT24C01/02/04/08/16/32/64/128/256/512/1024
- SGS-Thomson: ST14C02C, ST14C04C
- Gemplus: GFM1K, GFM2K, GFM4K, GFM8K
- Karten mit intelligentem 1-KB-EEPROM mit Schreibschutzfunktion, einschließlich:
- Infineon®: SLE4418, SLE4428, SLE5518 und SLE5528
- Karten mit intelligentem 256-Byte-EEPROM mit Schreibschutzfunktion, einschließlich:
- Infineon®: SLE4432, SLE4442, SLE5532 und SLE5542

Image: An illustration depicting various smart card types compatible with the ACR39U reader.
4. Wartung
To ensure the longevity and optimal performance of your ACR39U Smart Card Reader, follow these maintenance guidelines:
- Reinigung: Use a soft, dry, lint-free cloth to clean the exterior of the reader. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these can damage the device. Do not attempt to clean the internal card slot with liquids or sharp objects.
- Lagerung: Store the reader in a cool, dry place away from direct sunlight and extreme temperatures. When not in use, it is recommended to keep the reader in its original packaging or a protective case to prevent dust accumulation and physical damage.
- Handhabung: Handle the device with care. Avoid dropping the reader or subjecting it to strong impacts. Do not force smart cards into the slot; they should slide in smoothly.
- Kabelpflege: Do not bend or crimp the USB cable excessively. Always grasp the plug, not the cable, when disconnecting from a USB port.
5. Fehlerbehebung
If you encounter issues with your ACR39U Smart Card Reader, refer to the following common problems and solutions:
- Reader Not Detected by Computer:
- Ensure the USB cable is securely plugged into both the reader and the computer's USB port.
- Versuchen Sie, den Leser an einen anderen USB-Anschluss Ihres Computers anzuschließen.
- Starten Sie Ihren Computer neu.
- Check Device Manager (Windows) or System Information (macOS) to see if the device is listed. If there's an error, try updating or reinstalling drivers from the Advanced Card Systems webWebsite.
- Smartcard nicht erkannt:
- Stellen Sie sicher, dass die Smartcard korrekt eingeführt ist, mit dem Chip nach oben und vollständig im Schlitz eingerastet.
- Verify that the smart card itself is not damaged or dirty. Clean the card's chip with a soft, dry cloth if necessary.
- Confirm that the smart card is compatible with the ACR39U reader (refer to Section 3.1 Supported Card Types).
- Try using a different smart card to determine if the issue is with the card or the reader.
- Green LED Not Illuminating:
- This usually indicates a power issue. Ensure the USB connection is firm and the USB port is functional.
- If using a USB hub, try connecting the reader directly to the computer.
- Application Errors with Smart Card:
- Ensure the specific application you are using is correctly configured to work with smart card readers.
- Verify that any required middleware or software for your smart card type is installed and up to date.
- Consult the documentation for your specific smart card or application.
If these steps do not resolve the issue, please contact Advanced Card Systems customer support for further assistance.
6. Technische Daten
| Besonderheit | Detail |
|---|---|
| Technische Daten | 3 x 3 x 0.3 Zoll (76.2 x 76.2 x 7.6 mm) |
| Artikelgewicht | 1.6 Unzen (45.36 Gramm) |
| Hersteller | ACS (Advanced Card Systems) |
| Modellnummer | ACR39U |
| Marke | Advanced Card Systems |
| Medientyp | Chipkarte |
| Konnektivitätstechnologie | USB Typ A |
| Farbe | Schwarz |
| Kompatible Geräte | Computer (PC/SC, CCID support) |
| Betriebstemperatur | 0 °C bis 60 °C |
| Luftfeuchtigkeit | Max. 90% (nicht kondensierend) |
| MTBF (mittlere Zeit zwischen Ausfällen) | 500,000 Stunden |
| Zertifizierungen / Compliance | EN 60950/IEC 60950, ISO 7816, USB Full Speed, EMV™ Level 1 (Contact), PC/SC, CCID, CE, FCC, WEEE, RoHS, REACH, TAA (USA), J-LIS (Japan), VCCI (Japan), PBOC (China), BIS (India), Microsoft® WHQL |

Image: Technical drawing illustrating the dimensions and physical characteristics of the ACR39U.
7. Garantie und Support
The Advanced Card Systems ACR39U Smart Card Reader comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your purchase or visit the official Advanced Card Systems webWebsite.
For technical support, driver downloads, or further inquiries, please visit the Advanced Card Systems webSeite unter www.acs.com.hk.. You may also find additional resources and FAQs on their support pages.